Claude Welch - Publications

Political Science State University of New York, Buffalo, Buffalo, NY, United States 

164 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2019 Holland-Moritz DA, Wismer M, Mann B, Farasat I, Guetschow E, Sun S, Moore J, Kennedy R, Mangion I, Welch CJ, Devine P. Mass Activated Droplet Sorting (MADS) Enables High Throughput Screening of Enzymatic Reactions at Nanoliter Scale. Angewandte Chemie (International Ed. in English). PMID 31868984 DOI: 10.1002/Anie.201913203  0.6
2018 Diefenbach XW, Farasat I, Guetschow ED, Welch CJ, Kennedy RT, Sun S, Moore JC. Enabling Biocatalysis by High-Throughput Protein Engineering Using Droplet Microfluidics Coupled to Mass Spectrometry. Acs Omega. 3: 1498-1508. PMID 30023807 DOI: 10.1021/acsomega.7b01973  0.6
2018 Lin S, Dikler S, Blincoe WD, Ferguson RD, Sheridan RP, Peng Z, Conway DV, Zawatzky K, Wang H, Cernak T, Davies IW, DiRocco DA, Sheng H, Welch CJ, Dreher SD. Mapping the dark space of chemical reactions with extended nanomole synthesis and MALDI-TOF MS. Science (New York, N.Y.). PMID 29794218 DOI: 10.1126/Science.Aar6236  0.56
2018 Li Y, Liu Y, Gao H, Helmy R, Wuelfing WP, Welch C, Cooks RG. Accelerated Forced Degradation of Pharmaceuticals in Levitated Microdroplet Reactors. Chemistry (Weinheim An Der Bergstrasse, Germany). PMID 29653016 DOI: 10.1002/Chem.201801176  0.56
2017 Zawatzky K, Barhate CL, Regalado EL, Mann BF, Marshall N, Moore JC, Welch CJ. Overcoming "Speed limits" in high throughput chromatographic analysis. Journal of Chromatography. A. PMID 28416217 DOI: 10.1016/J.Chroma.2017.04.002  0.6
2017 Mann BF, Makarov AA, Wang H, Welch CJ. Effects of pressure and frictional heating on protein separation using monolithic columns in reversed-phase chromatography. Journal of Chromatography. A. PMID 28193469 DOI: 10.1016/J.Chroma.2017.01.071  0.56
2017 Hicks MB, Salituro L, Mangion I, Schafer W, Xiang R, Gong X, Welch CJ. Assessment of coulometric array electrochemical detection coupled with HPLC-UV for the absolute quantitation of pharmaceuticals. The Analyst. PMID 28098264 DOI: 10.1039/c6an02432g  0.56
2016 Matusmoto A, Fujiwara S, Hiyoshi Y, Zawatzky K, Makarov AA, Welch CJ, Soai K. Unusual reversal of enantioselectivity in the asymmetric autocatalysis of pyrimidyl alkanol triggered by chiral aromatic alkanols and amines. Organic & Biomolecular Chemistry. PMID 27942665 DOI: 10.1039/c6ob02415g  0.56
2016 Barhate CL, Joyce LA, Makarov AA, Zawatzky K, Bernardoni F, Schafer WA, Armstrong DW, Welch CJ, Regalado EL. Ultrafast chiral separations for high throughput enantiopurity analysis. Chemical Communications (Cambridge, England). PMID 27872920 DOI: 10.1039/C6Cc08512A  0.56
2016 Schenk DJ, Welch CJ, Antonucci V. Evaluation of C18 monolithic columns for radiochemical purity measurement. Journal of Labelled Compounds & Radiopharmaceuticals. PMID 27411721 DOI: 10.1002/Jlcr.3422  0.56
2016 Schafer W, Wang H, Welch CJ. Multiple-Injection High-Throughput gas chromatography Analysis. Journal of Separation Science. PMID 27292909 DOI: 10.1002/jssc.201600332  0.56
2016 Sun S, Zawatzky K, Regalado EL, Mangion IK, Welch CJ. Are fluorine-rich pharmaceuticals lost by partition into fluorous phases? Journal of Pharmaceutical and Biomedical Analysis. 128: 106-110. PMID 27239759 DOI: 10.1016/j.jpba.2016.05.025  0.56
2016 Makarov AA, Helmy R, Joyce L, Reibarkh M, Maust M, Ren S, Mergelsberg I, Welch CJ. Use of hydrostatic pressure for modulation of protein chemical modification and enzymatic selectivity. Organic & Biomolecular Chemistry. PMID 27088756 DOI: 10.1039/C6Ob00550K  0.56
2016 Koide K, Tracey MP, Bu X, Jo J, Williams MJ, Welch CJ. A competitive and reversible deactivation approach to catalysis-based quantitative assays. Nature Communications. 7: 10691. PMID 26891765 DOI: 10.1038/Ncomms10691  0.56
2016 Bentley KW, Joyce LA, Sherer EC, Sheng H, Wolf C, Welch CJ. Antenna Biphenols: Development of Extended Wavelength Chiroptical Reporters. The Journal of Organic Chemistry. PMID 26756165 DOI: 10.1021/Acs.Joc.5B02716  0.56
2016 Zawatzky K, Biba M, Regalado EL, Welch CJ. MISER chiral supercritical fluid chromatography for high throughput analysis of enantiopurity. Journal of Chromatography. A. 1429: 374-9. PMID 26747691 DOI: 10.1016/J.Chroma.2015.12.057  0.56
2016 Bu X, Regalado EL, Hamilton SE, Welch CJ. The emergence of low-cost compact mass spectrometry detectors for chromatographic analysis Trac - Trends in Analytical Chemistry. 82: 22-34. DOI: 10.1016/J.Trac.2016.04.025  0.56
2015 Barhate CL, Breitbach ZS, Pinto EC, Regalado EL, Welch CJ, Armstrong DW. Ultrafast separation of fluorinated and desfluorinated pharmaceuticals using highly efficient and selective chiral selectors bonded to superficially porous particles. Journal of Chromatography. A. PMID 26643720 DOI: 10.1016/J.Chroma.2015.11.056  0.56
2015 Zheng Q, Liu Y, Chen Q, Hu M, Helmy R, Sherer EC, Welch CJ, Chen H. Capture of Reactive Monophosphine-Ligated Palladium(0) Intermediates by Mass Spectrometry. Journal of the American Chemical Society. PMID 26498505 DOI: 10.1021/Jacs.5B08905  0.56
2015 Hicks MB, Regalado EL, Tan F, Gong X, Welch CJ. Supercritical fluid chromatography for GMP analysis in support of pharmaceutical development and manufacturing activities. Journal of Pharmaceutical and Biomedical Analysis. 117: 316-324. PMID 26412720 DOI: 10.1016/j.jpba.2015.09.014  0.56
2015 Regalado EL, Makarov AA, McClain R, Przybyciel M, Welch CJ. Search for improved fluorinated stationary phases for separation of fluorine-containing pharmaceuticals from their desfluoro analogs. Journal of Chromatography. A. 1380: 45-54. PMID 25595532 DOI: 10.1016/j.chroma.2014.12.025  0.56
2015 Buitrago Santanilla A, Regalado EL, Pereira T, Shevlin M, Bateman K, Campeau LC, Schneeweis J, Berritt S, Shi ZC, Nantermet P, Liu Y, Helmy R, Welch CJ, Vachal P, Davies IW, et al. Organic chemistry. Nanomole-scale high-throughput chemistry for the synthesis of complex molecules. Science (New York, N.Y.). 347: 49-53. PMID 25554781 DOI: 10.1126/Science.1259203  0.56
2015 Zhou G, Moment A, Cuff J, Schafer W, Orella C, Sirota E, Gong X, Welch C. Process development and control with recent new FBRM, PVM, and IR Organic Process Research and Development. 19: 227-235. DOI: 10.1021/op5000978  0.56
2015 Welch CJ. Sustainability Challenges for Organic Chemistry: ORGN Perspective Acs Symposium Series. 1205: 67-77. DOI: 10.1021/bk-2015-1205.ch006  0.56
2015 Welch CJ, Nowak T, Joyce LA, Regalado EL. Response to Comment on "cocktail Chromatography: Enabling the Migration of HPLC to Nonlaboratory Environments" Acs Sustainable Chemistry and Engineering. 3: 1897. DOI: 10.1021/acssuschemeng.5b00728  0.56
2015 Welch CJ, Nowak T, Joyce LA, Regalado EL. Cocktail Chromatography: Enabling the Migration of HPLC to Nonlaboratory Environments Acs Sustainable Chemistry and Engineering. 3: 1000-1009. DOI: 10.1021/acssuschemeng.5b00133  0.56
2015 Regalado EL, Welch CJ. Separation of achiral analytes using supercritical fluid chromatography with chiral stationary phases Trac - Trends in Analytical Chemistry. 67: 74-81. DOI: 10.1016/j.trac.2015.01.004  0.56
2015 Regalado EL, Welch CJ. Pushing the speed limit in enantioselective supercritical fluid chromatography Journal of Separation Science. 38: 2826-2832. DOI: 10.1002/jssc.201500270  0.56
2015 Welch CJ, Regalado EL, Kraml C, Celeste Welch E, Welch MJ, Semmelhack H, Almstead D, Kress AS, Hidalgo NA, Kress MH. MISER LC–MS analysis of teas, soft drinks, and energy drinks Lc-Gc Europe. 28.  0.56
2014 Regalado EL, Schariter JA, Welch CJ. Investigation of two-dimensional high performance liquid chromatography approaches for reversed phase resolution of warfarin and hydroxywarfarin isomers Journal of Chromatography A. 1363: 200-206. PMID 25160950 DOI: 10.1016/j.chroma.2014.08.025  0.56
2014 Biba M, Regalado EL, Wu N, Welch CJ. Effect of particle size on the speed and resolution of chiral separations using supercritical fluid chromatography. Journal of Chromatography. A. 1363: 250-6. PMID 25082525 DOI: 10.1016/J.Chroma.2014.07.010  0.56
2014 Makarov AA, Regalado EL, Welch CJ, Schafer WA. Effect of pressure on the chromatographic separation of enantiomers under reversed-phase conditions. Journal of Chromatography. A. 1352: 87-92. PMID 24928149 DOI: 10.1016/j.chroma.2014.05.044  0.56
2014 Biba M, Welch CJ, Foley JP. Investigation of a new core-shell particle column for ion-pair reversed-phase liquid chromatography analysis of oligonucleotides. Journal of Pharmaceutical and Biomedical Analysis. 96: 54-7. PMID 24727281 DOI: 10.1016/J.Jpba.2014.03.029  0.56
2014 Regalado EL, Helmy R, Green MD, Welch CJ. Chromatographic resolution of closely related species: drug metabolites and analogs. Journal of Separation Science. 37: 1094-102. PMID 24596023 DOI: 10.1002/Jssc.201400038  0.56
2014 Regalado EL, Kozlowski MC, Curto JM, Ritter T, Campbell MG, Mazzotti AR, Hamper BC, Spilling CD, Mannino MP, Wan L, Yu JQ, Liu J, Welch CJ. Support of academic synthetic chemistry using separation technologies from the pharmaceutical industry. Organic & Biomolecular Chemistry. 12: 2161-6. PMID 24589831 DOI: 10.1039/C3Ob42195C  0.56
2014 Bu X, Yang J, Gong X, Welch CJ. Evaluation of a compact mass spectrometer for routine support of pharmaceutical chemistry. Journal of Pharmaceutical and Biomedical Analysis. 94: 139-44. PMID 24583908 DOI: 10.1016/J.Jpba.2014.01.029  0.56
2014 Regalado EL, Dermenjian RK, Joyce LA, Welch CJ. Detection of dehalogenation impurities in organohalogenated pharmaceuticals by UHPLC-DAD-HRESIMS Journal of Pharmaceutical and Biomedical Analysis. 92: 1-5. PMID 24469094 DOI: 10.1016/j.jpba.2013.12.043  0.56
2014 DaSilva JO, Coes B, Frey L, Mergelsberg I, McClain R, Nogle L, Welch CJ. Evaluation of non-conventional polar modifiers on immobilized chiral stationary phases for improved resolution of enantiomers by supercritical fluid chromatography. Journal of Chromatography. A. 1328: 98-103. PMID 24456706 DOI: 10.1016/j.chroma.2013.12.073  0.56
2014 Sherer EC, Lee CH, Shpungin J, Cuff JF, Da C, Ball R, Bach R, Crespo A, Gong X, Welch CJ. Systematic approach to conformational sampling for assigning absolute configuration using vibrational circular dichroism. Journal of Medicinal Chemistry. 57: 477-94. PMID 24383452 DOI: 10.1021/Jm401600U  0.56
2014 Regalado EL, Zhuang P, Chen Y, Makarov AA, Schafer WA, McGachy N, Welch CJ. Chromatographic resolution of closely related species in pharmaceutical chemistry: dehalogenation impurities and mixtures of halogen isomers. Analytical Chemistry. 86: 805-13. PMID 24359254 DOI: 10.1021/ac403376h  0.56
2014 Regalado EL, Sherer EC, Green MD, Hendersonl DW, Thomas Williamson R, Joyce LA, Welch CJ. Chromatographic separation and assignment of absolute configuration of hydroxywarfarin isomers. Chirality. 26: 95-101. PMID 24339228 DOI: 10.1002/Chir.22274  0.56
2014 Tamba MG, Yu CH, Tang BJ, Welch C, Kohlmeier A, Schubert CP, Mehl GH. The design and investigation of nanocomposites containing dimeric nematogens and liquid crystal gold nanoparticles with plasmonic properties showing a nematic-nematic phase transition (Nu-Nx/Ntb) Materials. 7: 3494-3511. DOI: 10.3390/ma7053494  0.56
2014 Joyce LA, Sherer EC, Welch CJ. Imine-based chiroptical sensing for analysis of chiral amines: From method design to synthetic application Chemical Science. 5: 2855-2861. DOI: 10.1039/C4Sc01006J  0.56
2014 Welch CJ, Regalado EL, Welch EC, Eckert IMK, Kraml C. Evaluation of capsaicin in chili peppers and hot sauces by MISER HPLC-ESIMS Analytical Methods. 6: 857-862. DOI: 10.1039/c3ay41953c  0.56
2014 Welch CJ, Hawkins JM, Tom J. Precompetitive collaboration on enabling technologies for the pharmaceutical industry Organic Process Research and Development. 18: 481-487. DOI: 10.1021/op500023q  0.56
2014 Hamilton SE, Mattrey F, Bu X, Murray D, McCullough B, Welch CJ. Use of a miniature mass spectrometer to support pharmaceutical process chemistry Organic Process Research and Development. 18: 103-108. DOI: 10.1021/Op400253X  0.56
2014 Welch CJ. Introduction to Volume 9: Enabling Technologies for Organic Synthesis Comprehensive Organic Synthesis: Second Edition. 9: xiii-xv. DOI: 10.1016/B978-0-08-097742-3.09039-X  0.56
2014 Welch CJ. The Use of Preparative Chiral Chromatography for Accessing Enantiopurity in Pharmaceutical Discovery and Development Comprehensive Organic Synthesis: Second Edition. 9: 143-159. DOI: 10.1016/B978-0-08-097742-3.00929-0  0.56
2014 Schafer W, Bu X, Gong X, Joyce LA, Welch CJ. High-Throughput Analysis for High-Throughput Experimentation in Organic Chemistry Comprehensive Organic Synthesis: Second Edition. 9: 28-53. DOI: 10.1016/B978-0-08-097742-3.00921-6  0.56
2014 Welch CJ, Regalado EL. Estimating optimal time for fast chromatographic separations Journal of Separation Science. 37: 2552-2558. DOI: 10.1002/jssc.201400508  0.56
2014 McClain R, Hyun MH, Welch CJ. Advances in achiral stationary phases for SFC American Pharmaceutical Review. 17.  0.56
2014 Mao B, Biba M, Foley JP, Welch CJ. Liquid chromatography methods for the separation of short RNA oligonucleotides Lc-Gc Europe. 27: 632-639.  0.56
2013 Regalado EL, Schafer W, McClain R, Welch CJ. Chromatographic resolution of closely related species: separation of warfarin and hydroxylated isomers. Journal of Chromatography. A. 1314: 266-75. PMID 24055230 DOI: 10.1016/j.chroma.2013.07.092  0.56
2013 Schafer W, Chandrasekaran T, Pirzada Z, Zhang C, Gong X, Biba M, Regalado EL, Welch CJ. Improved chiral SFC screening for analytical method development. Chirality. 25: 799-804. PMID 23946148 DOI: 10.1002/Chir.22218  0.56
2013 Biba M, Jiang E, Mao B, Zewge D, Foley JP, Welch CJ. Factors influencing the separation of oligonucleotides using reversed-phase/ion-exchange mixed-mode high performance liquid chromatography columns. Journal of Chromatography. A. 1304: 69-77. PMID 23859796 DOI: 10.1016/J.Chroma.2013.06.050  0.56
2013 McClain R, Hyun MH, Li Y, Welch CJ. Design, synthesis and evaluation of stationary phases for improved achiral supercritical fluid chromatography separations. Journal of Chromatography. A. 1302: 163-73. PMID 23830218 DOI: 10.1016/j.chroma.2013.06.038  0.56
2013 Liu J, Regalado EL, Mergelsberg I, Welch CJ. Extending the range of supercritical fluid chromatography by use of water-rich modifiers Organic and Biomolecular Chemistry. 11: 4925-4929. PMID 23793077 DOI: 10.1039/c3ob41121d  0.56
2013 Biba M, Welch CJ, Foley JP, Mao B, Vazquez E, Arvary RA. Evaluation of core-shell particle columns for ion-pair reversed-phase liquid chromatography analysis of oligonucleotides. Journal of Pharmaceutical and Biomedical Analysis. 72: 25-32. PMID 23146223 DOI: 10.1016/J.Jpba.2012.09.007  0.56
2013 Yang M, Gong X, Schafer W, Arnold D, Welch CJ. Evaluation of micro ultra high pressure liquid chromatography for pharmaceutical analysis Analytical Methods. 5: 2178-2181. DOI: 10.1039/c3ay26435a  0.56
2013 Bu X, Koide K, Carder EJ, Welch CJ. Rapid analysis of residual palladium in pharmaceutical development using a catalysis-based fluorometric method Organic Process Research and Development. 17: 108-113. DOI: 10.1021/Op3003008  0.56
2013 Lee C, Zang J, Cuff J, McGachy N, Natishan TK, Welch CJ, Helmy R, Bernardoni F. Application of Heart-Cutting 2D-LC for the Determination of Peak Purity for a Chiral Pharmaceutical Compound by HPLC Chromatographia. 76: 5-11. DOI: 10.1007/S10337-012-2367-5  0.56
2012 Wu N, Bradley AC, Welch CJ, Zhang L. Effect of extra-column volume on practical chromatographic parameters of sub-2-μm particle-packed columns in ultra-high pressure liquid chromatography. Journal of Separation Science. 35: 2018-25. PMID 22761164 DOI: 10.1002/jssc.201200074  0.56
2012 Bellomo A, Celebi-Olcum N, Bu X, Rivera N, Ruck RT, Welch CJ, Houk KN, Dreher SD. Rapid catalyst identification for the synthesis of the pyrimidinone core of HIV integrase inhibitors. Angewandte Chemie (International Ed. in English). 51: 6912-5. PMID 22689502 DOI: 10.1002/Anie.201201720  0.56
2012 Chobanian HR, Guo Y, Liu P, Lanza TJ, Chioda M, Chang L, Kelly TM, Kan Y, Palyha O, Guan XM, Marsh DJ, Metzger JM, Raustad K, Wang SP, Strack AM, ... ... Welch CJ, et al. The design and synthesis of potent, selective benzodiazepine sulfonamide bombesin receptor subtype 3 (BRS-3) agonists with an increased barrier of atropisomerization. Bioorganic & Medicinal Chemistry. 20: 2845-9. PMID 22494842 DOI: 10.1016/j.bmc.2012.03.029  0.56
2012 Yu CH, Schubert CPJ, Welch C, Tang BJ, Tamba MG, Mehl GH. Design, synthesis, and characterization of mesogenic amine-capped nematic gold nanoparticles with surface-enhanced plasmonic resonances Journal of the American Chemical Society. 134: 5076-5079. PMID 22390286 DOI: 10.1021/ja300492d  0.56
2012 Schafer W, Hamilton SE, Pirzada Z, Welch CJ. A simple parallel gas chromatography column screening system. Chirality. 24: 1-4. PMID 22121077 DOI: 10.1002/chir.21974  0.56
2011 Liu P, Lanza TJ, Chioda M, Jones C, Chobanian HR, Guo Y, Chang L, Kelly TM, Kan Y, Palyha O, Guan XM, Marsh DJ, Metzger JM, Ramsay K, Wang SP, ... ... Welch CJ, et al. Discovery of benzodiazepine sulfonamide-based bombesin receptor subtype 3 agonists and their unusual chirality. Acs Medicinal Chemistry Letters. 2: 933-7. PMID 24900283 DOI: 10.1021/ml200207w  0.56
2011 Malcolm A, Wright S, Syms RR, Moseley RW, O'Prey S, Dash N, Pegus A, Crichton E, Hong G, Holmes AS, Finlay A, Edwards P, Hamilton SE, Welch CJ. A miniature mass spectrometer for liquid chromatography applications. Rapid Communications in Mass Spectrometry : Rcm. 25: 3281-8. PMID 22006391 DOI: 10.1002/rcm.5230  0.56
2011 Albright A, Eddings D, Black R, Welch CJ, Gerasimchuk NN, Gawley RE. Design and synthesis of C2-symmetric N-heterocyclic carbene precursors and metal carbenoids. The Journal of Organic Chemistry. 76: 7341-51. PMID 21823580 DOI: 10.1021/Jo2012434  0.56
2011 Gong X, Craven T, Schafer W, Pirzada Z, Biba M, Welch CJ. Estimating chromatographic enantioselectivity (α) from gradient enantioselective chromatography data. Chirality. 23: 128-32. PMID 20803492 DOI: 10.1002/Chir.20887  0.56
2011 Hartman R, Helmy R, Al-Sayah M, Welch CJ. Analytical Method Volume Intensity (AMVI): A green chemistry metric for HPLC methodology in the pharmaceutical industry Green Chemistry. 13: 934-939. DOI: 10.1039/C0Gc00524J  0.56
2011 Gao H, Jia X, Xiang R, Gong X, Welch CJ. Application of ion mobility spectrometry in analytical support of drug substance development Analytical Methods. 3: 1828-1837. DOI: 10.1039/c0ay00631a  0.56
2011 Wang L, Green L, Li Z, McCabe Dunn J, Bu X, Welch CJ, Li C, Wang T, Tu Q, Bekos E, Richardson D, Eckert J, Cui J. Screening binary systems of chelating agents combined with carbon or silica gel adsorbents: The development of a cost-effective method to remove palladium from pharmaceutical intermediates and APIs Organic Process Research and Development. 15: 1371-1376. DOI: 10.1021/Op2001657  0.56
2011 Doyle MP, Shabashov D, Zhou L, Zavalij PY, Welch C, Pirzada Z. Does an axial propeller shape on a dirhodium(III,III) core affect equatorial ligand chirality? Organometallics. 30: 3619-3627. DOI: 10.1021/Om2003078  0.56
2010 Welch CJ, Ray S, Melendez J, Fare T, Leach M. Virtual conferences becoming a reality. Nature Chemistry. 2: 148-52. PMID 21124462 DOI: 10.1038/nchem.556  0.56
2010 Kubota T, Sawada N, Zhou L, Welch CJ. Enantioseparation of benzazoles and benzanilides on polysaccharide-based chiral columns. Chirality. 22: 382-8. PMID 20029961 DOI: 10.1002/chir.20732  0.56
2010 Pirzada Z, Personick M, Biba M, Gong X, Zhou L, Schafer W, Roussel C, Welch CJ. Systematic evaluation of new chiral stationary phases for supercritical fluid chromatography using a standard racemate library. Journal of Chromatography. A. 1217: 1134-8. PMID 19850298 DOI: 10.1016/J.Chroma.2009.10.004  0.56
2010 Tu Q, Wang T, Welch CJ. High-throughput metal screening in pharmaceutical samples by ICP-MS with automated flow injection using a modified HPLC configuration Journal of Pharmaceutical and Biomedical Analysis. 51: 90-95. PMID 19733025 DOI: 10.1016/j.jpba.2009.08.012  0.56
2010 Helmy R, Schafer W, Buhler L, Marcinko S, Musselman B, Guidry E, Jenkins H, Fleitz F, Welch CJ. Ambient pressure desorption ionization mass spectrometry in support of preclinical pharmaceutical development Organic Process Research and Development. 14: 386-392. DOI: 10.1021/Op9002938  0.56
2010 Welch CJ, Henderson DW, Pipik B, Shaimi M, Schenk D, Conlon D. Shortcut to selectivity: Make them all and let preparative chromatography sort it out Organic Process Research and Development. 14: 905-907. DOI: 10.1021/Op100095E  0.56
2010 Lee C, Helmy R, Strulson C, Plewa J, Kolodziej E, Antonucci V, Mao B, Welch CJ, Ge Z, Al-Sayah MA. Removal of electrophilic potential genotoxic impurities using nucleophilic reactive resins Organic Process Research and Development. 14: 1021-1026. DOI: 10.1021/Op1000397  0.56
2010 Welch CJ, Wu N, Biba M, Hartman R, Brkovic T, Gong X, Helmy R, Schafer W, Cuff J, Pirzada Z, Zhou L. Greening analytical chromatography Trac - Trends in Analytical Chemistry. 29: 667-680. DOI: 10.1016/J.Trac.2010.03.008  0.56
2010 Welch CJ, Gong X, Schafer W, Pratt EC, Brkovic T, Pirzada Z, Cuff JF, Kosjek B. MISER chromatography (multiple injections in a single experimental run): The chromatogram is the graph Tetrahedron Asymmetry. 21: 1674-1681. DOI: 10.1016/j.tetasy.2010.05.029  0.56
2010 Welch CJ, Henderson DH, Leonard WR, Biba M, Zacuto M, Fleitz F, Kassim A, Chen CY, Sajonz P. Use of Enantioselective Synthesis and Preparative Chiral Chromatography to Access a Challenging Enantiopure Pharmaceutical Candidate from a Mixture of Four Stereoisomers Chiral Separation Methods For Pharmaceutical and Biotechnological Products. 417-427. DOI: 10.1002/9780470608661.ch13  0.56
2010 Bayer E, Jennings WG, Majors RE, Kirkland JJ, Unger KK, Engelhardt H, Schomburg G, Pirkle WH, Welch CJ, Armstrong DW, Porath JO, Sjövall JB, Gehrke CW. History and Developments in Chromatographic Column Technology and Validation to 2001 Chromatography: a Science of Discovery. 199-267. DOI: 10.1002/9780470555729.ch6  0.56
2009 Welch CJ, Gong X, Schafer W, Chobanian H, Lin L, Biba M, Liu P, Guo Y, Beard A. Factors influencing the interconversion of a new class of dibenzodiazepine sulfonamide atropisomers. Chirality. 21: E105-9. PMID 19885821 DOI: 10.1002/Chir.20785  0.56
2009 Davies IW, Welch CJ. Looking forward in pharmaceutical process chemistry Science. 325: 701-704. PMID 19661417 DOI: 10.1126/science.1174501  0.56
2009 Keown LE, Collins I, Cooper LC, Harrison T, Madin A, Mistry J, Reilly M, Shaimi M, Welch CJ, Clarke EE, Lewis HD, Wrigley JD, Best JD, Murray F, Shearman MS. Novel orally bioavailable gamma-secretase inhibitors with excellent in vivo activity. Journal of Medicinal Chemistry. 52: 3441-4. PMID 19432431 DOI: 10.1021/Jm900056P  0.56
2009 Leazer JL, Gant S, Houck A, Leonard W, Welch CJ. Removal of common organic solvents from aqueous waste streams via supercritical CO 2 extraction: A potential green approach to sustainable waste management in the pharmaceutical industry Environmental Science and Technology. 43: 2018-2021. PMID 19368207 DOI: 10.1021/es802607a  0.56
2009 Zhou L, Welch C, Lee C, Gong X, Antonucci V, Ge Z. Development of LC chiral methods for neutral pharmaceutical related compounds using reversed phase and normal phase liquid chromatography with different types of polysaccharide stationary phases. Journal of Pharmaceutical and Biomedical Analysis. 49: 964-9. PMID 19299098 DOI: 10.1016/j.jpba.2009.02.021  0.56
2009 Welch CJ. Microscale chiral HPLC in support of pharmaceutical process research Chirality. 21: 114-118. PMID 18655169 DOI: 10.1002/chir.20625  0.56
2009 McClain RT, Dudkina A, Barrow J, Hartman G, Welch CJ. Evaluation and implementation of a commercially available mass-guided SFC purification platform in a high throughput purification laboratory in drug discovery Journal of Liquid Chromatography and Related Technologies. 32: 483-499. DOI: 10.1080/10826070802671325  0.56
2009 Welch C, Archibald SJ, Boyle RW. Reductive Amination-A convenient method for generating diverse, mono-functionalised 5,10,15,20-tetraphenyl porphyrins Synthesis. 551-556. DOI: 10.1055/s-0028-1083335  0.56
2009 Welch CJ, Brkovic T, Schafer W, Gong X. Performance to burn? Re-evaluating the choice of acetonitrile as the platform solvent for analytical HPLC Green Chemistry. 11: 1232-1238. DOI: 10.1039/b906215g  0.56
2009 Welch CJ, Gong X, Cuff J, Dolman S, Nyrop J, Lin F, Rogers H. Online analysis of flowing streams using microflow HPLC Organic Process Research and Development. 13: 1022-1025. DOI: 10.1021/op9001017  0.56
2009 Welch CJ, Henderson DW, Tschaen DM, Miller RA. Preparative chromatography with extreme productivity: HPLC preparation of an isomerically pure drug intermediate on multikilogram scale Organic Process Research and Development. 13: 621-624. DOI: 10.1021/op900035y  0.56
2008 Welch CJ, Biba M, Pye P, Angelaud R, Egbertson M. Serendipitous discovery of a pH-dependant atropisomer bond rotation: toward a write-protectable chiral molecular switch? Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences. 875: 118-21. PMID 18819851 DOI: 10.1016/J.Jchromb.2008.08.028  0.56
2008 Welch CJ, Hyun MH, Kubota T, Schafer W, Bernardoni F, Choi HJ, Wu N, Gong X, Lipshutz B. Microscale HPLC enables a new paradigm for commercialization of complex chiral stationary phases. Chirality. 20: 815-9. PMID 18293368 DOI: 10.1002/Chir.20548  0.56
2008 Gong X, Figus M, Plewa J, Levorse DA, Zhou L, Welch CJ. Evaluation of multiplexed CE with UV detection for rapid pKa estimation of active pharmaceutical ingredients Chromatographia. 68: 219-225. DOI: 10.1365/s10337-008-0691-6  0.56
2008 Sajonz P, Schafer W, Leonard WR, Gong X, Shultz S, Rosner T, Sun Y, Welch CJ. Rapid analytical method development using multiparallel microfluidic high-performance liquid chromatography in support of pharmaceutical process research Journal of Liquid Chromatography and Related Technologies. 31: 2296-2304. DOI: 10.1080/10826070802281653  0.56
2008 Challenger S, Dudin L, DaSilva J, Dunn P, Govaerts T, Hayler J, Hinkley B, Houpis Y, Hunter T, Jellet L, Leazer JL, Lorenz K, Mathew S, Rammeloo T, Sudini R, ... ... Welch C, et al. Green chemistry articles of interest to the pharmaceutical industry Organic Process Research and Development. 12: 807-816. DOI: 10.1021/op800175p  0.56
2008 Welch CJ, Sajonz P, Spencer G, Leonard W, Henderson D, Schafer W, Bernardoni F. Microscale HPLC predicts preparative performance at millionfold scale Organic Process Research and Development. 12: 674-677. DOI: 10.1021/op800107u  0.56
2008 Welch CJ, Leonard WR, Henderson DW, Dorner B, Childers KG, Chung JYL, Hartner FW, Albaneze-Walker J, Sajonz P. Adsorbent screening using microplate spectroscopy for selective removal of colored impurities from active pharmaceutical intermediates Organic Process Research and Development. 12: 81-87. DOI: 10.1021/op700191z  0.56
2008 Berova N, Caldwell J, Gawronski J, Welch CJ. Editor's note Chirality. 20: 1. DOI: 10.1002/chir.20493  0.56
2008 Welch CJ. Separation and analysis technologies in support of pharmaceutical process research Vdi Berichte. 135-139.  0.56
2007 Helmy R, Biba M, Zang J, Mao B, Fogelman K, Vlachos V, Hosek P, Welch CJ. Improving sensitivity in chiral supercritical fluid chromatography for analysis of active pharmaceutical ingredients. Chirality. 19: 787-92. PMID 17722016 DOI: 10.1002/Chir.20451  0.56
2007 Leonard WR, Henderson DW, Miller RA, Spencer GA, Sudah OS, Biba M, Welch CJ. Strategic use of preparative chiral chromatography for the synthesis of a preclinical pharmaceutical candidate. Chirality. 19: 693-700. PMID 17354260 DOI: 10.1002/Chir.20378  0.56
2007 Sajonz P, Schafer W, Gong X, Shultz S, Rosner T, Welch CJ. Multiparallel microfluidic high-performance liquid chromatography for high-throughput normal-phase chiral analysis. Journal of Chromatography. A. 1145: 149-54. PMID 17300788 DOI: 10.1016/j.chroma.2007.01.067  0.56
2007 Welch CJ, Biba M, Gouker JR, Kath G, Augustine P, Hosek P. Solving multicomponent chiral separation challenges using a new SFC tandem column screening tool. Chirality. 19: 184-9. PMID 17192838 DOI: 10.1002/Chir.20357  0.56
2007 Welch CJ, Biba M, Sajonz P. Fast methods of enantiopurity determination for the Soai reaction: towards a general enantioenrichment detector? Chirality. 19: 34-43. PMID 17089338 DOI: 10.1002/Chir.20336  0.56
2007 Schafer WA, Hobbs S, Rehm J, Rakestraw DA, Orella C, McLaughlin M, Ge Z, Welch CJ. Mobile tool for HPLC reaction monitoring Organic Process Research and Development. 11: 870-876. DOI: 10.1021/op7000854  0.56
2007 Solladié-Cavallo A, Marsol C, Azyat K, Roje M, Welch C, Chilenski J, Taillasson P, D'Orchymont H. Enantiopure (9-anthryl)(2-piperidyl)- and (9-anthryl)(2-pyridyl)methanols - Their use as chiral modifiers for heterogeneous hydrogenation of keto esters over Pt/Al2O3 European Journal of Organic Chemistry. 826-830. DOI: 10.1002/ejoc.200600734  0.56
2007 Welch CJ, Fairchild J, Sajonz P. Investigation of the stability of chiralpak AD chiral stationary phase under various solvent conditions and development of a method to identify stationary phase-derived polymer contamination Chirality. 19: 607-611. DOI: 10.1002/chir.20348  0.56
2007 Welch CJ. Chiral Chromatography in Support of Pharmaceutical Process Research Preparative Enantioselective Chromatography. 1-18. DOI: 10.1002/9780470988428.ch1  0.56
2007 Welch CJ. Challenges and opportunities for the greening of separation science in the pharmaceutical industry Drug Discovery World. 8: 71-77.  0.56
2006 Sajonz P, Gong X, Leonard WR, Biba M, Welch CJ. Multiparallel chiral method development screening using an 8-channel microfluidic HPLC system. Chirality. 18: 803-13. PMID 16906503 DOI: 10.1002/Chir.20325  0.56
2006 Tu Q, Wang T, Welch CJ, Wang P, Jia X, Raab C, Bu X, Bykowski D, Hohenstaufen B, Doyle MP. Identification and characterization of isomeric intermediates in a catalyst formation reaction by means of speciation analysis using HPLC-ICPMS and HPLC-ESI-MS. Analytical Chemistry. 78: 1282-9. PMID 16478123 DOI: 10.1021/Ac051679Y  0.56
2006 Welch CJ, DaSilva JO, Nti-Gyabaah J, Antia F, Goklen K, Boyd R. Preparation and evaluation of novel stationary phases for improved chromatographic purification of pneumocandin B0. Journal of Chromatography. A. 1101: 204-13. PMID 16257000 DOI: 10.1016/J.Chroma.2005.10.009  0.56
2006 Welch C, Sajonz P, Biba M, Gouker J, Fairchild J. Comparison of multiparallel microfluidic HPLC instruments for high throughput analyses in support of pharmaceutical process research Journal of Liquid Chromatography and Related Technologies. 29: 2185-2200. DOI: 10.1080/10826070600832889  0.56
2006 Welch CJ, Tu Q, Wang T, Raab C, Wang P, Jia X, Bu X, Bykowski D, Hohenstaufen B, Doyle MP. Observations of rhodium-containing reaction intermediates using HPLC with ICP-MS and ESI-MS detection Advanced Synthesis and Catalysis. 348: 821-825. DOI: 10.1002/Adsc.200505438  0.56
2005 Sparey T, Beher D, Best J, Biba M, Castro JL, Clarke E, Hannam J, Harrison T, Lewis H, Madin A, Shearman M, Sohal B, Tsou N, Welch C, Wrigley J. Cyclic sulfamide gamma-secretase inhibitors. Bioorganic & Medicinal Chemistry Letters. 15: 4212-6. PMID 16054361 DOI: 10.1016/J.Bmcl.2005.06.084  0.56
2005 Garcia-Martinez C, Hernandez G, Biba M, Welch CJ. Determination of enantiomeric composition of (-)-(R)-2-tert-butyltetrahydroimidazolidin-4-one by polarimetry, 1H NMR, and chiral SFC. Chirality. 17: 212-7. PMID 15828029 DOI: 10.1002/Chir.20154  0.56
2005 Welch CJ, Albaneze-Walker J, Leonard WR, Biba M, DaSilva J, Henderson D, Laing B, Mathre DJ, Spencer S, Bu X, Wang T. Adsorbent screening for metal impurity removal in pharmaceutical process research Organic Process Research and Development. 9: 198-205. DOI: 10.1021/Op049764F  0.56
2005 Berova N, Canary JW, Welch CJ. The sixteenth International Symposium on Chiral Discrimination (ISCD-16): July 2004 Chirality. 17: iv. DOI: 10.1002/Chir.20163  0.56
2004 Nelson TD, Welch CJ, Rosen JD, Smitrovich JH, Huffman MA, McNamara JM, Mathre DJ. Effective use of preparative chiral HPLC in a preclinical drug synthesis. Chirality. 16: 609-13. PMID 15390084 DOI: 10.1002/chir.20081  0.56
2004 Mao S, Bouygues M, Welch C, Biba M, Chilenski J, Schinazi RF, Liotta DC. Synthesis of enantiomerically pure D-FDOC, an anti-HIV agent Bioorganic and Medicinal Chemistry Letters. 14: 4991-4994. PMID 15341966 DOI: 10.1016/J.Bmcl.2004.07.016  0.56
2004 Karanam BV, Welch CJ, Reddy VG, Chilenski J, Biba M, Vincent S. Species differential stereoselective oxidation of a methylsulfide metabolite of MK-0767 [(+/-)-5-[(2,4-dioxothiazolidin-5-yl)methyl]-2-methoxy-N-[[(4-trifluoromethyl)phenyl]methyl]benzamide], a peroxisome proliferator-activated receptor dual agonist. Drug Metabolism and Disposition: the Biological Fate of Chemicals. 32: 1061-8. PMID 15229170 DOI: 10.1124/Dmd.104.000224  0.56
2003 Brands KM, Payack JF, Rosen JD, Nelson TD, Candelario A, Huffman MA, Zhao MM, Li J, Craig B, Song ZJ, Tschaen DM, Hansen K, Devine PN, Pye PJ, Rossen K, ... ... Welch CJ, et al. Efficient synthesis of NK(1) receptor antagonist aprepitant using a crystallization-induced diastereoselective transformation. Journal of the American Chemical Society. 125: 2129-35. PMID 12590540 DOI: 10.1021/ja027458g  0.56
2003 Welch CJ, Biba M, Drahus A, Conlon DA, Tung HH, Collins P. Selective removal of a pharmaceutical process impurity using a reactive resin Journal of Liquid Chromatography and Related Technologies. 26: 1959-1968. DOI: 10.1081/Jlc-120021763  0.56
2002 Kuethe JT, Wong A, Wu J, Davies IW, Dormer PG, Welch CJ, Hillier MC, Hughes DL, Reider PJ. Asymmetric synthesis of 1,2,3-trisubstituted cyclopentanes and cyclohexanes as key components of substance p antagonists. The Journal of Organic Chemistry. 67: 5993-6000. PMID 12182634 DOI: 10.1021/Jo025883M  0.56
2002 Hyun MH, Han SC, Lipshutz BH, Shin YJ, Welch CJ. Liquid chromatographic resolution of racemic amines, amino alcohols and related compounds on a chiral crown ether stationary phase. Journal of Chromatography. A. 959: 75-83. PMID 12141563 DOI: 10.1016/S0021-9673(02)00431-4  0.56
2002 Welch CJ, Shaimi M, Biba M, Chilenski JR, Szumigala RH, Dolling U, Mathre DJ, Reider PJ. Microplate evaluation of process adsorbents Journal of Separation Science. 25: 847-850. DOI: 10.1002/1615-9314(20020901)25:13<847::Aid-Jssc847>3.0.Co;2-2  0.56
2001 Welch C. Formation of highly enantioenriched microenvironments by stochastic sorting of conglomerate crystals: A plausible mechanism for generation of enantioenrichment on the prebiotic earth Chirality. 13: 425-427. PMID 11466762 DOI: 10.1002/chir.1055  0.56
2001 Welch CJ, Pollard SD, Mathre DJ, Reider PJ. Improved method for rapid evaluation of chiral stationary phase libraries † Organic Letters. 3: 95-97. PMID 11429882 DOI: 10.1021/ol0003329  0.56
2001 Hyun MH, Han SC, Lipshutz BH, Shin YJ, Welch CJ. New chiral crown ether stationary phase for the liquid chromatographic resolution of alpha-amino acid enantiomers. Journal of Chromatography. A. 910: 359-65. PMID 11261730 DOI: 10.1016/S0021-9673(00)01230-9  0.56
2001 Harmata M, Wu Y, Kahraman M, Welch CJ. The preparation of chiral salicylaldehydes based on Kagan's ether Synthetic Communications. 31: 3345-3359. DOI: 10.1081/Scc-100106046  0.56
2001 Leblanc Y, Dufresne C, Carson R, Morency L, Welch CJ. Enhanced chromatographic resolution of alcohol enantiomers as phosphate or phosphonate derivatives Tetrahedron Asymmetry. 12: 3063-3066. DOI: 10.1016/S0957-4166(01)00556-0  0.56
2001 Solladié-Cavallo A, Sedy O, Salisova M, Biba M, Welch CJ, Nafié L, Freedman T. A chiral 1,4-oxazin-2-one: Asymmetric synthesis versus resolution, structure, conformation and VCD absolute configuration Tetrahedron Asymmetry. 12: 2703-2707. DOI: 10.1016/S0957-4166(01)00478-5  0.56
1997 Schmidt B, Lindman S, Tong W, Lindeberg G, Gogoll A, Lai Z, Thörnwall M, Synnergren B, Nilsson A, Welch CJ, Sohtell M, Westerlund C, Nyberg F, Karlén A, Hallberg A. Design, synthesis, and biological activities of four angiotensin II receptor ligands with γ-turn mimetics replacing amino acid residues 3-5 Journal of Medicinal Chemistry. 40: 903-919. PMID 9083479 DOI: 10.1021/Jm960553D  0.56
1997 Wolf C, Pirkle WH, Welch CJ, Hochmuth DH, Konig WA, CHee G.- L, Charlton JL. Determination of the enantiomerization barrier of arylnaphthalene lignans by cryogenic subcritical fluid chromatography and computer simulation Journal of Organic Chemistry. 62: 5208-5210. DOI: 10.1021/Jo9623705  0.56
1997 Fleischhauer J, Harmata M, Kahraman M, Koslowski A, Welch CJ. The determination of the absolute configuration of a chiral molecular tweezer using CD spectroscopy Tetrahedron Letters. 38: 8655-8658. DOI: 10.1016/S0040-4039(97)10379-3  0.56
1996 Wilson SR, Lu Q, Cao J, Wu Y, Welch CJ, Schuster DI. Chiral non-racemic C60 derivatives: A proposed sector rule for fullerene absolute configuration Tetrahedron. 52: 5131-5142. DOI: 10.1016/0040-4020(96)00119-6  0.56
1996 Pirkle WH, Welch CJ. Some thoughts on the coupling of dissimilar chiral columns or the mixing of chiral stationary phases for the separation of enantiomers Journal of Chromatography A. 731: 322-326. DOI: 10.1016/0021-9673(95)01240-0  0.56
1994 Pirkle WH, Welch CJ. Use of simultaneous face to face and face to edge π-π interactions to facilitate chiral recognition Tetrahedron: Asymmetry. 5: 777-780. DOI: 10.1016/S0957-4166(00)86225-4  0.56
1994 Pirkle WH, Spence PL, Lamm B, Welch CJ. Doubly tethered tertiary amide selectors. Modified version of Doyle et al.'s naproxen chiral stationary phase Journal of Chromatography A. 659: 69-74. DOI: 10.1016/0021-9673(94)85007-0  0.56
1994 Welch CJ. Evolution of chiral stationary phase design in the Pirkle laboratories Journal of Chromatography A. 666: 3-26. DOI: 10.1016/0021-9673(94)80367-6  0.56
1994 Pirkle WH, Welch CJ. Chromatographic and 1H NMR support for a proposed chiral recognition model Journal of Chromatography A. 683: 347-353. DOI: 10.1016/0021-9673(94)00477-3  0.56
1994 Pirkle WH, Welch CJ, Wilson SR. Assignment of absolute configuration to an improved enantioselective naproxen selector Chirality. 6: 615-622. DOI: 10.1002/Chir.530060803  0.56
1993 Wilson SR, Wu Y, Kaprinidis NA, Schuster DI, Welch CJ. Resolution of enantiomers of cis- and trans-fused C60-enone [2 + 2] photoadducts Journal of Organic Chemistry. 58: 6548-6549. DOI: 10.1021/Jo00076A007  0.56
1993 Pirkle WH, Welch CJ, Zych AJ. Chromatographic investigation of the slowly interconverting atropisomers of hindered naphthamides Journal of Chromatography A. 648: 101-109. DOI: 10.1016/0021-9673(93)83291-Y  0.56
1993 Pirkle WH, Welch CJ, Yang Q. Comments on a report of the separation of the enantiomers of π-donor analytes on π-donor chiral stationary phases Journal of Chromatography A. 639: 329-332. DOI: 10.1016/0021-9673(93)80270-I  0.56
1993 Welch CJ. An improved method for the direct chromatographic resolution of abscisic acid enantiomers Chirality. 5: 569-572. DOI: 10.1002/chir.530050715  0.56
1992 Pirkle WH, Welch CJ. An improved chiral stationary phase for the chromatographic separation of underivatized naproxen enantiomers Journal of Liquid Chromatography. 15: 1947-1955. DOI: 10.1080/10826079208020869  0.56
1992 Pirkle WH, Welch CJ, Lamm B. Design, synthesis, and evaluation of an improved enantioselective naproxen selector Journal of Organic Chemistry. 57: 3854-3860. DOI: 10.1021/Jo00040A026  0.56
1992 Pirkle WH, Welch CJ, Hyun MH. Concerning the role of face-to-edge π-π interactions in chiral recognition Journal of Chromatography A. 607: 126-130. DOI: 10.1016/0021-9673(92)87062-D  0.56
1992 Welch CJ, Pirkle WH. Progress in the design of selectors for buckminsterfullerene Journal of Chromatography A. 609: 89-101. DOI: 10.1016/0021-9673(92)80152-K  0.56
1992 Pirkle WH, Welch CJ. Effect of superfluous remote polar functionality on chiral recognition Journal of Chromatography A. 589: 45-51. DOI: 10.1016/0021-9673(92)80004-E  0.56
1991 Pirkle WH, Welch CJ. An investigation into the role of solvation in a well characterized chiral recognition system Journal of Liquid Chromatography. 14: 2027-2042. DOI: 10.1080/01483919108049672  0.56
1991 Pirkle WH, Welch CJ. A convenient void volume marker for several chiral HPLC columns Journal of Liquid Chromatography. 14: 1-8. DOI: 10.1080/01483919108049593  0.56
1991 Pirkle WH, Welch CJ. Chromatographic separation of underivatized naproxen enantiomers Journal of Liquid Chromatography. 14: 3387-3396. DOI: 10.1080/01483919108049397  0.56
1991 Pirkle WH, Welch CJ. An unusual effect of temperature on the chromatographic behavior of buckminsterfullerene Journal of Organic Chemistry. 56: 6973-6974. DOI: 10.1021/Jo00025A006  0.56
1991 Welch CJ. The measurement of enantiopurity using phosphorus-NMR Tetrahedron: Asymmetry. 2: 1127-1132. DOI: 10.1016/S0957-4166(00)82011-X  0.56
1984 Pirkle WH, Welch CJ. Chromatographic separation of the enantiomers of acylated amines on chiral stationary phases Journal of Organic Chemistry. 49: 138-140. DOI: 10.1002/Chin.198425157  0.56
1984 Pirkle WH, Welch CJ, Mahler GS, Meyers AI, Fuentes LM, Boes M. Chromatographic separation of the enantiomers of N-acylated heterocyclic amines Journal of Organic Chemistry. 49: 2504-2506.  0.56
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