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Karl S. Hagen - Publications

Affiliations: 
Emory University, Atlanta, GA 
Area:
Organic Chemistry
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Year Citation  Score
2011 Jones MB, Hardcastle KI, Hagen KS, MacBeth CE. Oxygen activation and intramolecular C-H bond activation by an amidate-bridged diiron(II) complex. Inorganic Chemistry. 50: 6402-4. PMID 21667986 DOI: 10.1021/Ic2007183  0.336
2009 Hagen KS, Naik SG, Huynh BH, Masello A, Christou G. Intensely colored mixed-valence iron(II) iron(III) formate analogue of Prussian Blue exhibits néel N-type ferrimagnetism. Journal of the American Chemical Society. 131: 7516-7. PMID 19445458 DOI: 10.1021/Ja901093B  0.383
2009 Janiak C, Chamayou AC, Royhan Uddin AK, Uddin M, Hagen KS, Enamullah M. Polymorphs, enantiomorphs, chirality and helicity in [Rh{N,O}(eta4-cod)] complexes with {N,O}=salicylaldiminato Schiff base or aminocarboxylato ligands. Dalton Transactions (Cambridge, England : 2003). 3698-709. PMID 19417935 DOI: 10.1039/B820072F  0.338
2008 Hagen KS, Uddin M. A continuous symmetry measure of [4Fe-4S]+ core distortions and analysis of supramolecular synthons in crystal structures of (Et4N)3[Fe4S4Cl4].Et4NCl at 100 and 295 K. Inorganic Chemistry. 47: 11807-15. PMID 19006383 DOI: 10.1021/Ic801533Q  0.346
2002 Börzel H, Comba P, Hagen KS, Kerscher M, Pritzkow H, Schatz M, Schindler S, Walter O. Copper-bispidine coordination chemistry: syntheses, structures, solution properties, and oxygenation reactivity. Inorganic Chemistry. 41: 5440-52. PMID 12377039 DOI: 10.1021/Ic011114U  0.353
2002 McMullen SE, Hagen KS. trans-bis(benzoato-O)tetrakis(methanol-O)iron(II): ligand bulk is not structure-determining. Acta Crystallographica. Section C, Crystal Structure Communications. 58: m48-9. PMID 11781471 DOI: 10.1107/S010827010101873X  0.38
2002 McMullen SE, Hagen KS. μ‐Peroxo‐bis­[aceto­nitrile­bis­(ethyl­enedi­amine)­cobalt(III)] tetratriflate Acta Crystallographica Section E: Crystallographic Communications. 58. DOI: 10.1107/S160053680200226X  0.315
2002 Childs SL, Hagen KS. A co-crystal containing Kemp's tri-acid and acetic acid: A 0D aggregate disrupts a thermodynamically preferred 1D rod motif Crystengcomm. 4: 265-270. DOI: 10.1039/B202348B  0.65
2002 Börzel H, Comba P, Hagen KS, Lampeka YD, Lienke A, Linti G, Merz M, Pritzkow H, Tsymbal LV. Iron coordination chemistry with tetra-, penta- and hexadentate bispidine-type ligands Inorganica Chimica Acta. 337: 407-419. DOI: 10.1016/S0020-1693(02)01100-3  0.399
2001 Jayaprakash KN, Hazra D, Hagen KS, Samanta U, Bhadbhade MM, Puranik VG, Sarkar A. Solution and solid state conformation of Fischer carbene complexes vis-à-vis conformation of aryl carboxamides: Complexation of the aromatic ring by tricarbonylchromium makes a difference Journal of Organometallic Chemistry. 617: 709-722. DOI: 10.1016/S0022-328X(00)00728-2  0.312
2000 Blakesley DW, Payne SC, Hagen KS. Spin-state variation in solid state and solution of mononuclear iron(II) 1,4,7-trimethyl-1,4,7-triazacyclonane complexes Inorganic Chemistry. 39: 1979-1989. PMID 11428118 DOI: 10.1021/Ic990584+  0.348
2000 Diebold A, Elbouadili A, Hagen KS. Crystal structures and solution behavior of paramagnetic divalent transition metal complexes (Fe, Co) of the sterically encumbered tridentate macrocycles 1,4,7-R3-1,4,7-triazacyclononane: Coordination numbers 5 (R = i-Pr) and 6 (R = i-Bu) Inorganic Chemistry. 39: 3915-3923. PMID 11196789 DOI: 10.1021/Ic000456H  0.345
2000 Hagen KS. Iron(II) triflate salts as convenient substitutes for perchlorate salts: Crystal structures of [Fe(H2O)6](CF3SO3)2 and Fe(MeCN)4(CF3SO3)2 Inorganic Chemistry. 39: 5867-5869. PMID 11151391 DOI: 10.1021/Ic000444W  0.373
2000 Payne SC, Hagen KS. Steric control of reactivity of non-heme μ-hydroxo diiron(II) complexes with oxygen: Isolation of a strongly coupled μ-oxo Fe(II)Fe(III) dimer Journal of the American Chemical Society. 122: 6399-6410. DOI: 10.1021/Ja991885L  0.351
2000 Börzel H, Comba P, Hagen KS, Katsichtis C, Pritzkow H. A copper(I) oxygenation precursor in the entatic state: Two isomers of a copper(I) compound of a rigid tetradentate ligand Chemistry - a European Journal. 6: 914-919. DOI: 10.1002/(Sici)1521-3765(20000303)6:5<914::Aid-Chem914>3.0.Co;2-K  0.316
1998 Diebold A, Hagen KS. Iron(II) Polyamine Chemistry: Variation of Spin State and Coordination Number in Solid State and Solution with Iron(II) Tris(2-pyridylmethyl)amine Complexes Inorganic Chemistry. 37: 215-223. DOI: 10.1021/Ic971105E  0.362
1997 Williams DJ, Vanderveer D, Crouse BR, Raye RR, Carter T, Hagen KS, Brewer M. Spectroscopic Properties and Molecular Structure of 1, 3-Dimethyl-2-(Se, Se-dibromoseleno)-2(3H)-imidazolylidene Main Group Chemistry. 2: 61-66. DOI: 10.1080/13583149712331338889  0.332
1997 Cohen JD, Payne S, Hagen KS, Sanders-Loehr J. Raman evidence for a trapped-valence Fe(II)-O-Fe(III) complex formed from an outer-sphere reaction of diiron(II) with dioxygen Journal of the American Chemical Society. 119: 2960-2961. DOI: 10.1021/Ja9638871  0.352
1997 Lachicotte RJ, Hagen KS. Synthesis and structures of trinuclear and μ-hydroxo pentanuclear iron(II) carboxylates as models of reduced ferritin and white rust Inorganica Chimica Acta. 263: 407-414. DOI: 10.1016/S0020-1693(97)05703-4  0.385
1996 Childs SL, Hagen KS. The inorganic illustrator: A 3-D graphical supplement for inorganic and bioinorganic chemistry courses distributed on CD-ROM Journal of Chemical Education. 73: 917-918. DOI: 10.1021/Ed072P534.2  0.638
1995 Randall CR, Shu L, Chiou YM, Hagen KS, Ito M, Kitajima N, Lachicotte RJ, Zang Y, Que L. X-ray absorption pre-edge studies of high-spin iron(II) complexes Inorganic Chemistry. 34: 1036-1039. DOI: 10.1021/Ic00109A007  0.318
1995 Hagen KS, Kitaygorodskiy A, Payne SC, Lachicotte RJ, Elbouadilli A. Interaction of iron(II) model complexes of reduced non heme proteins with dioxygen Journal of Inorganic Biochemistry. 59: 361. DOI: 10.1016/0162-0134(95)97459-4  0.334
1994 Bottomley GA, Clark IJ, Creaser II, Engelhardt LM, Geue RJ, Hagen KS, Harrowfield JM, Lawrance GA, Lay PA, Sargeson AM, See AJ, Skelton BW, White AH, Wilner FR. The synthesis and structure of encapsulating ligands: Properties of bicyclic hexamines Australian Journal of Chemistry. 47: 143-179. DOI: 10.1071/Ch9940143  0.359
1994 Nair VS, Hagen KS. Iron-oxo aggregates: synthesis, structure and proton NMR of the octanuclear hexacation, [Fe8O5(OAc)8(tren)4]6+, containing a square-planar oxide bridge Inorganic Chemistry. 33: 185-186. DOI: 10.1021/Ic00080A002  0.338
1993 Hagen KS, Lachicotte R, Kitaygorodskiy A. Supramolecular control of stepwise and selective carboxylate ligand substitution in aqua-carboxylato-bridged dimetal(II) complexes Journal of the American Chemical Society. 115: 12617-12618. DOI: 10.1021/Ja00079A064  0.336
1993 Lachicotte R, Kitaygorodskiy A, Hagen KS. Distinguishing hydroxy from aqua bridges in paramagnetic diiron(II) and dicobalt(II) models of reduced dinuclear non-heme iron sites in proteins by proton, deuterium, and fluorine 19 NMR of hydrogen/deuterium isotopomers Journal of the American Chemical Society. 115: 8883-8884. DOI: 10.1021/Ja00072A069  0.352
1993 Nanthakumar A, Fox S, Murthy NN, Karlin KD, Ravi N, Huynh BH, Orosz RD, Day EP, Hagen KS, Blackburn NJ. Oxo- and hydroxo-bridged (porphyrin)iron(III)-copper(II) species as cytochrome c oxidase models: acid-base interconversions and x-ray structure of the Fe(III)-(O2-)-Cu(II) complex Journal of the American Chemical Society. 115: 8513-8514. DOI: 10.1021/Ja00071A097  0.392
1993 Wang CP, Nimmala S, Lachicotte R, Hagen KS, Day EP. The aqua bridged diiron(II) models (of the reduced dinuclear non-heme iron sites in proteins) are antiferromagnetically coupled. Journal of Inorganic Biochemistry. 51: 465. DOI: 10.1016/0162-0134(93)85493-R  0.326
1993 Karlin KD, Gan Q, Nanthakumar A, Fox S, Ravi N, Huynh BH, Orosz RD, Day EP, Hagen KS, Blackburn NJ. Copper-O22 reactivity. Involvement of oxodicopper(II) in amine oxidations and reduction of O2 using porphyrin-iron(II) and copper(I) Journal of Inorganic Biochemistry. 51: 278. DOI: 10.1016/0162-0134(93)85310-5  0.319
1993 Nanthakumar A, Fox S, Hagen KS, Karlin KD. Modelling the binuclear site of cytochrome oxidase: Examples of μ-oxo and μ-hydroxo bridged ferric-cupric complexes Journal of Inorganic Biochemistry. 51: 270. DOI: 10.1016/0162-0134(93)85302-O  0.313
1993 Hagen KS, Lachicotte R, Kitaygorodskiy A, Elbouadili A. Molecular recognition within a rigid host: Structural changes induced in μ-carboxylato dimetal(II) complexes by replacing steric repulsions with hydrogen bonds Angewandte Chemie (International Edition in English). 32: 1321-1324. DOI: 10.1002/Anie.199313211  0.319
1992 Hagen KS, Lachicotte R. Diiron(II) .mu.-aqua bis(.mu.-carboxylato) models of reduced dinuclear non-heme iron sites in proteins Journal of the American Chemical Society. 114: 8741-8742. DOI: 10.1021/Ja00048A080  0.328
1992 Nair VS, Hagen KS. Iron oxo aggregation: Fe3 to Fe6. Synthesis, structure, and magnetic properties of the hexanuclear dication [Fe6(μ4-O)2(μ2-OMe) 8(OMe)4(tren)2]2+, a soluble, crystalline model of iron oxo hydroxo nanoparticles, the core of ferritin and rust formation Inorganic Chemistry. 31: 4048-4050. DOI: 10.1021/Ic00046A011  0.333
1990 Wu FJ, Kurtz DM, Hagen KS, Nyman PD, Debrunner PG, Vankai VA. (Mu -Oxo/Hydroxo)Bis(Mu -Carboxylato)Diiron(Iii) And -Dimanganese(Iii) Complexes With Capping Tris(Imidazol-2-Yl)Phosphine Ligands Inorganic Chemistry. 29: 5174-5183. DOI: 10.1021/Ic00351A009  0.352
1989 Dexheimer SL, Gohdes JW, Chan MK, Hagen KS, Armstrong WH, Klein MP. Detection of EPR spectra in S = 2 states of trivalent manganese complexes Journal of the American Chemical Society. 111: 8923-8925. DOI: 10.1021/Ja00206A028  0.324
1988 Hagen KS, Lay PA, Sargeson AM. Platinum(IV) cage chemistry: Crystal structure of [1,8-bis(hydroxylamino)-3,6,10,13,16,19-hexaazabicyclo-[6.6.6]eicosane] platinum(IV) trifluoromethanesulfonate hydrate Inorganic Chemistry. 27: 3424-3426. DOI: 10.1021/Ic00292A031  0.321
1988 Hagen KS, Armstrong WH, Hope H. Isolation of a bis-oxo-bridged manganese(III)manganese(IV) intermediate by regulated air oxidation. Synthesis, structure, and properties of dioxobis[tris(aminoethyl)amine]dimanganese(5+) trifluoromethylsulfonate Inorganic Chemistry. 27: 967-969. DOI: 10.1021/Ic00279A002  0.324
1984 Curtis NJ, Hagen KS, Sargeson AM. Intramolecular hydrolysis of co-ordinated acetonitrile in a binuclear μ-amido-octa- amminedicobalt(III) complex Journal of the Chemical Society - Series Chemical Communications. 1571-1573. DOI: 10.1039/C39840001571  0.306
1984 Hagen KS, Watson AD, Holm RH. Analogs of the [Fe4S4]+ sites of reduced ferredoxins: single-step synthesis of the clusters [Fe4S4(SR)4]3- and examples of compressed tetragonal core structures Inorganic Chemistry. 23: 2984-2990. DOI: 10.1021/Ic00187A017  0.32
1983 Hagen KS, Watson AD, Holm RH. Synthetic routes to iron sulfide (Fe2S2, Fe3S4, Fe4S4, and Fe6S9), clusters from the common precursor tetrakis(ethanethiolate)ferrate(2-) ion ([Fe(SC2H5)4]2-): structures and properties of [Fe3S4(SR)4]3- and bis(ethanethiolate)nonathioxohexaferrate(4-) ion ([Fe6S9(SC2H5)2]4-), examples of the newest types of Fe-S-SR clusters Journal of the American Chemical Society. 105: 3905-3913. DOI: 10.1021/Ja00350A028  0.316
1983 Hagen KS, Christou G, Holm RH. Trinuclear metal(II)-sulfide-thiolate complexes: synthesis, structures, and properties of [M3S(1,2-(SCH2)2C6H4)3]2- (M = Fe(II), Co(II)) Inorganic Chemistry. 22: 309-314. DOI: 10.1021/Ic00144A021  0.34
1983 HAGEN KS, WATSON AD, HOLM RH. ChemInform Abstract: SYNTHETIC ROUTES TO IRON SULFIDE (FE2S2, FE3S4, FE4S4, AND FE6S9), CLUSTERS FROM THE COMMON PRECURSOR TETRAKIS(ETHANETHIOLATE)FERRATE(2-) ION ((FE(SC2H5)4)2-): STRUCTURES AND PROPERTIES OF (FE3S4(SR)4)3- AND BIS(ETHANETHIOLATE)NONATHI Chemischer Informationsdienst. 14. DOI: 10.1002/Chin.198339297  0.332
1982 Hagen KS, Stephan DW, Holm RH. Metal ion exchange reactions in cage molecules: the systems [M4-nM'n(SC6H5)10]2- (M, M' = Fe(II), Co(II), Zn(II), Cd(II)) with adamantane-like stereochemistry and the structure of [Fe4(SC6H5)10]2- Inorganic Chemistry. 21: 3928-3936. DOI: 10.1021/Ic00141A015  0.344
1980 Hagen KS, Berg JM, Holm RH. The synthesis and structure of deca(benzenethiolato)tetraferrate(II) dianion, an intermediate in the assembly of [Fe4S4(SC6H5)4]2- from simple reagents Inorganica Chimica Acta. 45. DOI: 10.1016/S0020-1693(00)80078-X  0.335
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