Year |
Citation |
Score |
2009 |
Warkentin J. 2,5-Dihydro-1,3,4-oxadiazoles and Bis(heteroatom-substituted)carbenes. Accounts of Chemical Research. 42: 205-12. PMID 18798653 DOI: 10.1021/Ar800072H |
0.453 |
|
2008 |
Czardybon W, Sokol W, Warkentin J, Werstiuk NH. 6,7-diaza-1-methoxy- 5-methyl-2, 8-dioxabicyclo[3.2.1]oct-6-ene. An unstable bicyclic precursor of a dioxa carbonyl ylide and carbenes by ylide ring opening Journal of Physical Organic Chemistry. 21: 41-46. DOI: 10.1002/Poc.1280 |
0.419 |
|
2007 |
Sliwinska A, Warkentin J. Reactions of dimethoxycarbene with dimethyl 2,3-dicycanomaleate and fumarate. Organic Letters. 9: 2605-7. PMID 17542600 DOI: 10.1021/Ol071143U |
0.343 |
|
2007 |
Sliwinska A, Czardybon W, Warkentin J. Zwitterion from a cyclopropane with geminal donor and acceptor groups. Organic Letters. 9: 695-8. PMID 17243711 DOI: 10.1021/Ol063021S |
0.406 |
|
2007 |
Mlostón G, Warkentin J, Linden A, Heimgartner H. Reactions of dimethoxycarbene with N-tosylated imines Helvetica Chimica Acta. 90: 2024-2036. DOI: 10.1002/Hlca.200790210 |
0.371 |
|
2006 |
Sokol W, Warkentin J. Synthesis and thermolysis rate constants of diastereomeric oxadiazoline sources of acetoxy(methoxy)carbene - Reaction of acetoxy(methoxy)carbene with isocyanates Canadian Journal of Chemistry. 84: 927-933. DOI: 10.1139/V06-109 |
0.382 |
|
2006 |
Werstiuk NH, Klys A, Warkentin J. Pyrolysis of 2-methoxy-5,5-dimethyl-2-methylthio-2,5-dihydro[1,3,4] oxadiazole studied with photoelectron spectroscopy and DFT calculations - He(I) photoelectron spectrum of methoxy(methylthio)carbene Canadian Journal of Chemistry. 84: 546-554. DOI: 10.1139/V06-026 |
0.317 |
|
2005 |
Czardybon W, Warkentin J, Werstiuk NH. Density functional theory computational study on the thermal cycloreversion of 2-acetoxy-2-methoxy-5,5-dimethyl-Delta3-1,3,4-oxadiazoline: evidence for a carbonyl ylide intermediate. The Journal of Organic Chemistry. 70: 8431-6. PMID 16209588 DOI: 10.1021/Jo0511750 |
0.348 |
|
2005 |
Zhou H, Mloston G, Warkentin J. New thermal source of dimethoxycarbene leading to zwitterionic intermediates and 2:1 stoichiometry in reaction with electrophilic alkenes. Organic Letters. 7: 487-9. PMID 15673271 DOI: 10.1021/Ol040068+ |
0.395 |
|
2005 |
Klys A, Czardybon W, Warkentin J, Werstiuk NH. Reactions of acetoxy(methylthio)carbene and S-methyl thiopyruvate Canadian Journal of Chemistry. 83: 1360-1364. DOI: 10.1139/V05-151 |
0.348 |
|
2005 |
Klys A, Dawid M, Warkentin J. Synthesis and spectra of aldehyde- and ketone-O-(2,5-dihydro-2-methoxy-5,5- dimethyl-1,3,4-oxadiazol-2-yl)oximes - Thermal sources of some methoxy(oximino)carbenes Canadian Journal of Chemistry. 83: 443-448. DOI: 10.1139/V05-061 |
0.391 |
|
2005 |
Plazuk D, Warkentin J, Werstiuk NH. Reactions of allyloxy(methoxy)carbene in solution. Carbene rearrangement and Claisen rearrangement of the carbene dimer Tetrahedron. 61: 5788-5796. DOI: 10.1016/J.Tet.2005.04.024 |
0.406 |
|
2005 |
Czardybon W, Warkentin J, Werstiuk NH. Computational study of the thermal rearrangement of acetoxy(methoxy)carbene Journal of Physical Organic Chemistry. 18: 486-490. DOI: 10.1002/Poc.899 |
0.371 |
|
2005 |
Dawid M, Reid DL, Warkentin J, Mloston G. Reactions of dimethoxycarbene with carbon-sulfur double bonds Journal of Physical Organic Chemistry. 18: 86-89. DOI: 10.1002/Poc.857 |
0.423 |
|
2004 |
Klys A, Czardybon W, Warkentin J, Werstiuk NH. Synthesis and thermolysis of a spiro-fused oxadiazoline - Evidence for sequential formation of carbene and oxirane intermediates, and for oxirane dimerization Canadian Journal of Chemistry. 82: 1769-1773. DOI: 10.1139/V04-158 |
0.369 |
|
2003 |
Czardybon W, Klys A, Warkentin J, Werstiuk NH. 2-Acetoxy-2-methoxy-5,5-dimethyl-Δ3-1,3,4-oxadiazoline and acetoxy(methoxy)carbene Canadian Journal of Chemistry. 81: 1438-1442. DOI: 10.1139/V03-126 |
0.367 |
|
2003 |
Dawid M, Mloston G, Reid DL, Warkentin J. Reactions of dimethoxycarbene with thiocarbonyl compounds Canadian Journal of Chemistry. 81: 1025-1028. DOI: 10.1139/V03-124 |
0.36 |
|
2003 |
Dawid M, Warkentin J. Intramolecular reactions of dialkoxycarbenes with a carbonyl group Canadian Journal of Chemistry. 81: 598-606. DOI: 10.1139/V02-200 |
0.372 |
|
2002 |
Dawid M, Mloston G, Warkentin J. Relative reactivities of carbonyl and thiocarbonyl groups toward dimethoxycarbene: two new dimethoxythiiranes. Chemistry (Weinheim An Der Bergstrasse, Germany). 8: 2184-7. PMID 11981903 DOI: 10.1002/1521-3765(20020503)8:9<2184::Aid-Chem2184>3.0.Co;2-2 |
0.384 |
|
2002 |
Merkley N, Warkentin J. Thermolysis of a spiro-fused oxadiazoline: The carbonyl ylide-cyclic carbene-diradical sequence Canadian Journal of Chemistry. 80: 1187-1195. DOI: 10.1139/V02-126 |
0.435 |
|
2002 |
Lu X, Warkentin J. Ortho substituent effects on transfer of aryl groups from oxygen to carbon in adducts from diaryloxycarbenes and DMAD Canadian Journal of Chemistry. 80: 228-234. DOI: 10.1139/V02-012 |
0.367 |
|
2002 |
Merkley N, Reid DL, Warkentin J. Remarkable aromatic substitution by a 1,5-diradical Tetrahedron Letters. 43: 1927-1929. DOI: 10.1016/S0040-4039(02)00158-2 |
0.347 |
|
2001 |
Dawid M, Mlostoñ G, Warkentin J. The first 2,2-dialkoxythiirane. Organic Letters. 3: 2455-6. PMID 11483033 DOI: 10.1021/Ol016108G |
0.376 |
|
2001 |
Lu X, Warkentin J. Mechanism of ipso aromatic substitution by reaction of aryloxy(methoxy)carbenes and diaryloxycarbenes with DMAD Canadian Journal of Chemistry. 79: 364-369. DOI: 10.1139/V01-029 |
0.395 |
|
2001 |
Merkley N, Venneri PC, Warkentin J. Cyclopropanation of benzylidenemalononitrile with dialkoxycarbenes and free radical rearrangement of the cyclopropanes Canadian Journal of Chemistry. 79: 312-318. DOI: 10.1139/V01-017 |
0.408 |
|
2001 |
Lu X, Reid DL, Warkentin J. Diaryloxycarbenes from oxadiazolines Canadian Journal of Chemistry. 79: 319-327. DOI: 10.1139/V01-016 |
0.384 |
|
2001 |
Dawid M, Venneri PC, Warkentin J. Epoxide of a ketene acetal. The first 2,2-dialkoxyoxirane to be isolated Canadian Journal of Chemistry. 79: 110-113. DOI: 10.1139/V00-202 |
0.399 |
|
2000 |
Pezacki JP, Loncke PG, Ross JP, Warkentin J, Gadosy TA. Silicon migration from oxygen to carbon and decarbonylation in methoxytriphenylsiloxycarbene. Organic Letters. 2: 2733-6. PMID 10964352 DOI: 10.1021/Ol006117+ |
0.606 |
|
2000 |
Venneri PC, Warkentin J. Reaction of dimethoxycarbene with strained cyclic carbonyl compounds Canadian Journal of Chemistry. 78: 1194-1203. DOI: 10.1139/V00-118 |
0.373 |
|
2000 |
Merkley N, Warkentin J. Benzyloxy(4-substituted benzyloxy)carbenes. Generation from oxadiazolines and fragmentation to radical pairs in solution Canadian Journal of Chemistry. 78: 942-949. DOI: 10.1139/V00-078 |
0.4 |
|
2000 |
Merkley N, El-Saidi M, Warkentin J. Radicals from fragmentation of benzyloxymethoxycarbenes in solution Canadian Journal of Chemistry. 78: 356-361. DOI: 10.1139/V00-021 |
0.423 |
|
2000 |
Reid DL, Warkentin J. Homolysis of allyloxy(hydroxy)carbene. A density functional theory and ab initio study Journal of the Chemical Society. Perkin Transactions 2. 1980-1983. DOI: 10.1039/B001033M |
0.306 |
|
1999 |
Tae EL, Zhu Z, Platz MS, Pezacki JP, Warkentin J. Chemistry and Kinetics of Dipropylcarbene in Solution Journal of Physical Chemistry A. 103: 5336-5342. DOI: 10.1021/Jp990198D |
0.6 |
|
1999 |
Pezacki JP, Couture P, Dunn JA, Warkentin J, Wood PD, Lusztyk J, Ford F, Platz MS. Rate constants for 1,2-hydrogen migration in cyclohexylidene and in substituted cyclohexylidenes Journal of Organic Chemistry. 64: 4456-4464. DOI: 10.1021/Jo990171Q |
0.61 |
|
1999 |
Dunn JA, Pezacki JP, McGlinchey MJ, Warkentin J. Reactions of dimethoxycarbene with cyclic perchlorinated olefins and ketones Journal of Organic Chemistry. 64: 4344-4352. DOI: 10.1021/Jo9823846 |
0.652 |
|
1999 |
Pezacki JP, Shukla D, Lusztyk J, Warkentin J. Lifetimes of dialkylcarbocations derived from alkanediazonium ions in solution: Cyclohexadienyl cations as kinetic probes for cation reactivity Journal of the American Chemical Society. 121: 6589-6598. DOI: 10.1021/Ja9840807 |
0.608 |
|
1999 |
Lu X, Warkentin J. Ipso aromatic substitution from reaction of a carbene with DMAD Tetrahedron Letters. 40: 1483-1486. DOI: 10.1016/S0040-4039(98)02701-4 |
0.436 |
|
1998 |
Muchall HM, Werstiuk NH, Choudhury B, Ma J, Warkentin J, Pezacki JP. Thermolysis of 2,2-dimethoxy-5,5-dimethyl-Δ3-1,3,4-oxadiagoline studied with photoelectron spectroscopy. He(I) photoelectron spectrum of dimethoxycarbene Canadian Journal of Chemistry. 76: 238-240. DOI: 10.1139/V97-233 |
0.487 |
|
1998 |
Venneri PC, Warkentin J. Homolysis of carbenes. Free radicals from dialkoxycarbenes [1] Journal of the American Chemical Society. 120: 11182-11183. DOI: 10.1021/Ja982566H |
0.303 |
|
1998 |
Pezacki JP, Wood PD, Gadosy TA, Lusztyk J, Warkentin J. Laser flash photolysis studies of oxygen and sulfur atom transfer reactions from oxiranes and thiiranes to singlet carbenes Journal of the American Chemical Society. 120: 8681-8691. DOI: 10.1021/Ja973469B |
0.593 |
|
1998 |
Pezacki JP, Warkentin J, Wood PD, Lusztyk J, Yuzawa T, Gudmundsdóttir AD, Morgan S, Platz MS. Laser flash photolysis of 2-adamantane-2,31-[3H]-diazirine: A reinvestigation Journal of Photochemistry and Photobiology a: Chemistry. 116: 1-7. DOI: 10.1016/S1010-6030(98)00287-1 |
0.557 |
|
1998 |
Warkentin J. Intra- and Intermolecular Reactions of Nucleophilic Carbenes Macromolecular Symposia. 134: 167-176. DOI: 10.1002/Masy.19981340116 |
0.406 |
|
1997 |
Ross JP, Couture P, Warkentin J. Nucleophilic aromatic substitution with dialkoxycarbenes Canadian Journal of Chemistry. 75: 1331-1335. DOI: 10.1139/V97-159 |
0.399 |
|
1997 |
Couture P, Warkentin J. Chemistry of cyclic aminooxycarbenes Canadian Journal of Chemistry. 75: 1281-1294. DOI: 10.1139/V97-154 |
0.401 |
|
1997 |
Couture P, Warkentin J. Spiro-fysed 2-alkoxy-2-amino-Δ3-1,3,4-oxadiazolines. Synthesis and thermolysis to corresponding aminooxycarbenes Canadian Journal of Chemistry. 75: 1264-1280. DOI: 10.1139/V97-153 |
0.408 |
|
1997 |
Kassam K, Venneri PC, Warkentin J. Reactions of alkoxyaryloxycarbenes with tethered triple bonds: A new synthesis of substituted benzofurans Canadian Journal of Chemistry. 75: 1256-1263. DOI: 10.1139/V97-152 |
0.374 |
|
1997 |
Couture P, El-Saidi M, Warkentin J. Ketene acetals from thermolysis of aryloxy methoxy oxadiazolines. Evidence for carbonyl ylide intermediates Canadian Journal of Chemistry. 75: 326-332. DOI: 10.1139/V97-037 |
0.437 |
|
1997 |
Warkentin J, Woollard JMR. Photolysis of 5,5-dibenzyl-Δ3-1,3,4-oxadiazolines Canadian Journal of Chemistry. 75: 289-307. DOI: 10.1139/V97-033 |
0.332 |
|
1997 |
Kassam K, Warkentin J. Reactions of dialkoxycarbenes with tethered triple bonds to form heterocyclic compounds Canadian Journal of Chemistry. 75: 120-128. DOI: 10.1139/V97-016 |
0.414 |
|
1997 |
Couture P, Pole DL, Warkentin J. Reactions of nucleophilic carbenes with enols Journal of the Chemical Society. Perkin Transactions 2. 1565-1570. DOI: 10.1039/A700169J |
0.386 |
|
1997 |
Pole DL, Warkentin J. Formation and Rearrangement of a 2,2-Dimethoxyoxirane from Dimethoxycarbene and Fluorenone Journal of Organic Chemistry. 62: 4065-4067. DOI: 10.1021/Jo970198E |
0.4 |
|
1997 |
Pezacki JP, Wagner BD, Lew CSQ, Warkentin J, Lusztyk J. Δ3-1,3,4-oxadiazolines: Photochemical precursors to diazoalkanes and sec-alkanediazonium ions in acidic solution Journal of the American Chemical Society. 119: 1789-1790. DOI: 10.1021/Ja962550W |
0.531 |
|
1997 |
Pezacki JP, Pole DL, Warkentin J, Chen T, Ford F, Toscano JP, Fell J, Platz MS. Laser flash and dual wavelength photolysis of 3,4-diaza-2,2-dimethoxy-1-oxa[4.5]spirooct-3-ene. Migration of hydrogen and carbon in cyclobutylidene and in the excited state of its precursor Journal of the American Chemical Society. 119: 3191-3192. DOI: 10.1021/Ja961933R |
0.544 |
|
1996 |
Er HT, Pole DL, Warkentin J. (Alkylthio)- and (phenylthio)methoxycarbenes from oxadiazolines Canadian Journal of Chemistry. 74: 1480-1489. DOI: 10.1139/V96-165 |
0.448 |
|
1996 |
Pole DL, Sharma PK, Warkentin J. Methoxy-(2-trimethylsilyl)ethoxycarbene. Reactions with Michael acceptors, with hydroxylic compounds, and with miscellaneous functional groups Canadian Journal of Chemistry. 74: 1335-1340. DOI: 10.1139/V96-149 |
0.429 |
|
1996 |
Suh D, Pole DL, Warkentin J, Terlouw JK. Intramolecular 1,2-alkyl shifts in unsymmetric dialkoxcycarbenes studied by very low vapour pressure (VLVP) pyrolysis - Mass spectrometry Canadian Journal of Chemistry. 74: 544-558. DOI: 10.1139/V96-059 |
0.306 |
|
1996 |
Colomvakos JD, Egle I, Ma J, Pole DL, Tidwell TT, Warkentin J. [2 + 2], [4 + 1], and [4 + 2] cycloaddition reactions of silylated bisketenes Journal of Organic Chemistry. 61: 9522-9527. DOI: 10.1021/Jo961169R |
0.401 |
|
1996 |
and RG, Wudl F, Pole DL, Sharma aPK, Warkentin J. An Unusual Addition−Rearrangement of a Dialkoxycarbene to C60: Exclusion of Methanofullerene Products Journal of Organic Chemistry. 61: 5837-5839. DOI: 10.1021/Jo9603136 |
0.328 |
|
1996 |
De Meijere A, Kozhushkov SI, Yufit DS, Boese R, Haumann T, Pole DL, Sharma PK, Warkentin J. Cyclopropyl building blocks for organic synthesis, 36: Unprecedented addition of dialkoxycarbenes to tetrasubstituted alkenes: Bicyclopropylidene and 2-chlorocyclopropylideneacetate Liebigs Annales. 601-612. DOI: 10.1002/Jlac.199619960421 |
0.408 |
|
1995 |
Tomaszewski M, Warkentin J, Werstiuk N. Free-Radical Chemistry of Imines Australian Journal of Chemistry. 48: 291-321. DOI: 10.1071/Ch9950291 |
0.37 |
|
1995 |
Sharma PK, Warkentin J. Generation and trapping of a silyloxy carbonyl ylide Tetrahedron Letters. 36: 7591-7594. DOI: 10.1016/0040-4039(95)01591-5 |
0.362 |
|
1995 |
Pole DL, Warkentin J. Carbon–oxygen bond insertion in the reaction of dialkoxycarbenes with anhydrides Liebigs Annalen. 1995: 1907-1914. DOI: 10.1002/Jlac.1995199511269 |
0.413 |
|
1994 |
Kassam K, Warkentin J. Thermolysis of 2-(3-Butyn-1-oxy)-2-methoxy-5,5-dimethyl-.DELTA.3-1,3,4-oxadiazoline in Solution. A remarkable Cascade of Carbene and Other Reactions Journal of Organic Chemistry. 59: 5071-5075. DOI: 10.1021/Jo00096A062 |
0.392 |
|
1994 |
Zoghbi M, Horne SE, Warkentin J. Intermolecular Reactions of .beta.-Lactam-4-ylidenes with Alkenes, Alcohols, and Acetic Acid. Spiro-Fused .beta.-Lactam Cyclopropanes, 4-Alkoxy .beta.-Lactams, and a 4-Acetoxy .beta.-Lactam Journal of Organic Chemistry. 59: 4090-4095. DOI: 10.1021/Jo00094A017 |
0.323 |
|
1994 |
Jefferson EA, Warkentin J. Thermal rearrangements and reactions of 5-alkyl-1,2,3,4,5-pentakis(methoxycarbonyl)cyclopentadienes Journal of Organic Chemistry. 59: 463-467. DOI: 10.1021/Jo00081A029 |
0.403 |
|
1994 |
Jefferson EA, Warkentin J. Studies of thermal rearrangements of methyl 3-alkyl-3-methyl-3H-pyrazole-5-carboxylates. Concerted, stepwise, and unclassified mechanisms Journal of Organic Chemistry. 59: 455-462. DOI: 10.1021/Jo00081A028 |
0.369 |
|
1993 |
Zoghbi M, Warkentin J. Spiro-fused β-lactam oxadiazolines by formal [2+2] cycloaddition of 2-imino-Δ3-1,3,4-oxadiazolines to ketenes Canadian Journal of Chemistry. 71: 912-918. DOI: 10.1139/V93-121 |
0.347 |
|
1993 |
Zoghbi M, Warkentin J. Substituent effects of rate constants for thermal [4π + 2π] cycloreversion of spiro-fused β-lactam oxadiazolines Canadian Journal of Chemistry. 71: 907-911. DOI: 10.1139/V93-120 |
0.349 |
|
1993 |
Tomaszewski MJ, Warkentin J. O,O′-bistributyltin benzopinacolate (1,1,2,2-tetraphenylethane-1,2- bisolate) as thermal source of tributylstannyl radicals Journal of the Chemical Society, Chemical Communications. 1407-1408. DOI: 10.1039/C39930001407 |
0.383 |
|
1993 |
Tomaszewski MJ, Warkentin J. Chiral induction in aryl radical cyclization to the aldimino functional group Journal of the Chemical Society, Chemical Communications. 966-968. DOI: 10.1039/C39930000966 |
0.395 |
|
1992 |
Zoghbi M, Warkentin J. Spiro fused β-lactam cyclopropenes Canadian Journal of Chemistry. 70: 2967-2971. DOI: 10.1139/V92-378 |
0.317 |
|
1992 |
Zoghbi M, Warkentin J. Azetinone formation is not competitive with intermolecular reactions of a β-lactam-4-ylidene Canadian Journal of Chemistry. 70: 2792-2797. DOI: 10.1139/V92-355 |
0.339 |
|
1992 |
Jefferson EA, Warkentin J. Studies of "formal" [1,5]-sigmatropic thermal rearrangements of dimethyl 3-alkyl-3-methyl-3H-pyrazole-4,5-dicarboxylates and dimethyl 4-alkyl-5-methyl-4H-pyrazole-3,4-dicarboxylates Journal of the American Chemical Society. 114: 6318-6325. DOI: 10.1021/Ja00042A007 |
0.356 |
|
1992 |
Tomaszewski MJ, Warkentin J. Rate constants for aryl radical cyclization to aldimines: synthesis of tetrahydroisoquinolines by fast 6-endo closures to carbon Tetrahedron Letters. 33: 2123-2126. DOI: 10.1016/0040-4039(92)88156-Y |
0.415 |
|
1991 |
Békhazi M, Lawrynowicz W, Warkentin J. Reaction of carbonyl ylides with chloroform Canadian Journal of Chemistry. 69: 1507-1510. DOI: 10.1139/V91-222 |
0.392 |
|
1991 |
Mathew L, Osei-Twum EY, Warkentin J. Thermolysis of α-hydroperoxyalkyl diazenes. Spin trapping of radical intermediates and spin trapping kinetics Canadian Journal of Chemistry. 69: 1398-1402. DOI: 10.1139/V91-206 |
0.322 |
|
1991 |
Frampton CS, Majchrzak MW, Warkentin J. Sense of sequential 1,5-sigmatropic rearrangements of dimethyl-3,3-dialkyl-3H-pyrazole-4,5-dicarboxylates. Crystal and molecular structures of two dimethyl-4,5-dialkyl-1H-pyrazole-1,3-dicarboxylates Canadian Journal of Chemistry. 69: 373-378. DOI: 10.1139/V91-057 |
0.328 |
|
1991 |
Majchrzak MW, Warkentin J, Woollard JMKR. Synthesis and thermolysis of tetrasubstituted cyclopropenes Structural Chemistry. 2: 137-146. DOI: 10.1007/Bf00676625 |
0.411 |
|
1990 |
Kunka CPA, Warkentin J. Facile 5-endo ring closures to the azo group. A free radical synthesis of indazoles Canadian Journal of Chemistry. 68: 575-580. DOI: 10.1139/V90-088 |
0.404 |
|
1990 |
Majchrzak MW, Warkentin J. Cycloadditions of 2-diazopropane to bicyclo[2.2.1]hept-2-enes. Direct experimental evidence for an asynchronous mechanism Journal of Physical Organic Chemistry. 3: 339-345. DOI: 10.1002/Poc.610030511 |
0.359 |
|
1989 |
Majchrzak MW, Warkentin J. Thermolysis of 2-acyloxy-Δ3-1,3,4-oxadiazolines. Evidence for a preferred sense of cycloreversion to carbonyl ylides and for fast 1,4-sigmatropic ylide rearrangement Canadian Journal of Chemistry. 67: 1753-1759. DOI: 10.1139/V89-271 |
0.38 |
|
1988 |
Schwan AL, Warkentin J. The synthesis and unimolecular decomposition of four novel Δ1-1,2,4-triazolines Canadian Journal of Chemistry. 66: 2285-2293. DOI: 10.1139/V88-362 |
0.67 |
|
1988 |
Wang S, Warkentin J. Alkylation of tert-butyl lithiohydrazones of aldehydes and ketones Canadian Journal of Chemistry. 66: 2256-2258. DOI: 10.1139/V88-358 |
0.402 |
|
1988 |
Schwan AL, Warkentin J. The reactions of simple dimethylallylamines with dimethyl acetylenedicarboxylate. Formation of 1-dimethylamino-2-allylmaleates via formal allyl transfer Canadian Journal of Chemistry. 66: 1686-1694. DOI: 10.1139/V88-273 |
0.659 |
|
1988 |
Schwan AL, Warkentin J. Thermal intramolecular reactions of Δ1-1,2,4-triazolines with extended exocyclic unsaturation Canadian Journal of Chemistry. 66: 385-390. DOI: 10.1139/V88-067 |
0.658 |
|
1988 |
Schwan AL, Warkentin J. Enaminic reactions of 4-tert-butyl-3,3-dimethyl-5-methylene-Δ1-1,2,4-triazoline. Novel heterocycles by sequential [2 + 2] cycloaddition and ylide-forming [3 + 2] cycloreversion Canadian Journal of Chemistry. 66: 155-161. DOI: 10.1139/V88-024 |
0.658 |
|
1988 |
Mathew L, Warkentin J. Rate constants for abstraction of bromine from bromotrichloromethane by butyl, cyclopropylmethyl, and phenyl radicals in solution Canadian Journal of Chemistry. 66: 11-16. DOI: 10.1139/V88-002 |
0.387 |
|
1987 |
Schwan AL, Warkentin J. Reactions of 4tertbutyl5methylene33dimethylδ1124triazoline with dimethyl acetylenedicarboxylate Canadian Journal of Chemistry. 65: 1200-1204. DOI: 10.1139/v87201 |
0.595 |
|
1987 |
Lakhani C, Mathew L, Warkentin J. Rate constant for hydroxylation of a primary alkyl radical by induced decomposition of an alpha hydroperoxyalkyl diazene Canadian Journal of Chemistry. 65: 1748-1752. DOI: 10.1139/V87-294 |
0.358 |
|
1987 |
Schwan AL, Warkentin J. Reactions of 4-tert-butyl-5-methylene-3,3-dimethyl-Δ1-1,2,4-triazoline with dimethyl acetylenedicarboxylate Canadian Journal of Chemistry. 65: 1200-1204. DOI: 10.1139/V87-201 |
0.676 |
|
1987 |
Fulton JB, Warkentin J. Reactions of diazoalkanes with isocyanates. Synthesis of imidazolidine24diones oxindoles and oxazolidinones Canadian Journal of Chemistry. 65: 1177-1184. DOI: 10.1139/V87-197 |
0.416 |
|
1987 |
Jewell DR, Mathew L, Warkentin J. Rate constant for chlorine abstraction from CCl4 by the 5-hexenyl radical Canadian Journal of Chemistry. 65: 311-315. DOI: 10.1139/V87-052 |
0.37 |
|
1987 |
Beckwith ALJ, Wang S, Warkentin J. Intramolecular radical additions to the azo group. Fast and indiscriminate 5-exo and 6-endo cyclizations Journal of the American Chemical Society. 109: 5289-5291. DOI: 10.1021/Ja00251A050 |
0.368 |
|
1986 |
Schwan AL, Warkentin J. A novel 3,4-dihydro-5-methylene-1,2,4-triazole and its reactions with acrylonitrile and sulphene (thioformaldehyde S,S-dioxide) to form spiroaziridines Journal of the Chemical Society, Chemical Communications. 1721-1722. DOI: 10.1039/C39860001721 |
0.641 |
|
1984 |
Békhazi M, Smith PJ, Warkentin J. Substituent effects on rates of formation of methoxy-substituted carbonyl ylides from 2-aryl-2-methoxy- and 5-aryl-2-methoxy-Δ3-1,3,4-oxadiazolines Canadian Journal of Chemistry. 62: 1646-1652. DOI: 10.1139/V84-282 |
0.407 |
|
1984 |
Keus D, Warkentin J. Equilibrium configurations of azines of esters Journal of Organic Chemistry. 49: 3466-3469. DOI: 10.1002/Chin.198509071 |
0.303 |
|
1984 |
Keus D, Kaminski M, Warkentin J. Carbene reactions with cis azo functions. Formation of ester azines from Δ3-1,3,4-oxadiazolines Journal of Organic Chemistry. 49: 343-347. DOI: 10.1002/Chin.198426132 |
0.352 |
|
1983 |
Chatgilialoglu C, Ingold KU, Tse-Sheepy I, Warkentin J. A homoallyl radical rearrangement. Kinetics of the isomerization of the 2,2-dimethyl-3-buten-1-yl radical to the 1,1-dimethyl-3-buten-1-yl radical Canadian Journal of Chemistry. 61: 1077-1081. DOI: 10.1139/V83-190 |
0.394 |
|
1983 |
Békhazi M, Warkentin J. Carbonyl ylides and carbenes from thermolysis of oxadiazolines. Substituent effects on intramolecular and intermolecular reactions of carbonyl ylides Canadian Journal of Chemistry. 61: 619-624. DOI: 10.1139/V83-112 |
0.386 |
|
1983 |
Békhazi M, Warkentin J. Reactions of carbenes with acetone. Reversible thermal formation and fragmentation of carbonyl ylides and their cycloaddition to acetone Journal of the American Chemical Society. 105: 1289-1292. DOI: 10.1021/Ja00343A035 |
0.395 |
|
1983 |
Bekhazi M, Risbood PA, Warkentin J. Generation and chemical properties of dicyclopropylcarbene. Ring expansion, chlorine abstraction, carbon-hydrogen bond insertion, and alkene addition reactions Journal of the American Chemical Society. 105: 5675-5679. DOI: 10.1002/Chin.198348113 |
0.371 |
|
1982 |
Bekhazi M, Warkentin J. Additions and Corrections - Thermolysis of 2-Methoxy-2,5,5-trimethyl-Δ3-1,3,4-oxadiazoline. Carbenes from Thermal Fragmentation of a Carbonyl Ylide Intermediate Journal of the American Chemical Society. 104: 1157-1157. DOI: 10.1021/Ja00368A608 |
0.349 |
|
1981 |
Cabelkova-Taguchi LM, Warkentin J. Photolysis of 5,5-dimethyl-4-phenyl-Δ-1,2,4-triazolin-3-one. Fragmentation to nitrogen, carbon monoxide, and isopropylidene phenyl amine Canadian Journal of Chemistry. 59: 3087-3089. DOI: 10.1139/V81-451 |
0.371 |
|
1981 |
Paine AJ, Warkentin J. A relative extrusibility scale and its application to the thermal fragmentation patterns of 5-membered ring diazenes Canadian Journal of Chemistry. 59: 491-505. DOI: 10.1139/V81-070 |
0.378 |
|
1981 |
Cabelkova-Taguchi LM, Warkentin J. Thermolysis of 5,5-dimethyl-4-aryl-Δ1-1,2,4-triazolin-3-ones in solution. Products, kinetics, substituent effects, and solvent effects Canadian Journal of Chemistry. 59: 100-105. DOI: 10.1139/V81-016 |
0.356 |
|
1981 |
Bekhazi M, Warkentin J. Thermolysis of 2-methoxy-2,5,5-trimethyl-.DELTA.3-1,3,4-oxadiazoline. Carbenes from thermal fragmentation of a carbonyl ylide intermediate Journal of the American Chemical Society. 103: 2473-2474. DOI: 10.1021/Ja00399A084 |
0.344 |
|
1981 |
Bekhazi M, Warkentin J. Thermolysis of 2-methoxy-2,5,5-trimethyl-.DELTA.3-1,3,4-oxadiazoline. Carbenes from thermal fragmentation of a carbonyl ylide intermediate Cheminform. 12. DOI: 10.1002/Chin.198133120 |
0.344 |
|
1980 |
Ingold KU, Warkentin J. A homopropargyl radical rearrangement. Kinetics of the rearrangement of the 2,2,5,5,-tetramethyl-3-hexyn-1-yl radical Canadian Journal of Chemistry. 58: 348-352. DOI: 10.1139/V80-056 |
0.375 |
|
1980 |
Weigl S, Warkentin J. Thermal rearrangement of 5,6,6-triphenylbicyclo[3.1.0]hex-2-ene to 6,7-benzo-1,5-diphenyltricyclo[3.2.1.02,8]octane Canadian Journal of Chemistry. 58: 210-213. DOI: 10.1139/V80-034 |
0.371 |
|
1980 |
Yeung DWK, Warkentin J. Synthetic applications of α-hydroxydiazenes. III. Uncatalyzed and phenol catalyzed hydroalkylation of alkenes and of azobenzene with alkylazodiphenylmethanols Canadian Journal of Chemistry. 58: 2386-2393. DOI: 10.1002/Chin.198114138 |
0.36 |
|
1979 |
Paine AJ, Warkentin J. Ketone or diazoalkane formation from Δ3-1,3,4-oxadiazolin-2-ones. Details of two competing thermolysis mechanisms Canadian Journal of Chemistry. 57: 2681-2695. DOI: 10.1139/V79-435 |
0.404 |
|
1978 |
MacAlpine GA, Warkentin J. Thermolysis of Δ3-1,3,4-oxadiazolin-2-ones and 2-phenylimino-Δ3-1,3,4-oxadazolines derived from α,β-epoxyketones. An alternative method for the convers of α,β-epoxyketones to alkynones and alkynals Canadian Journal of Chemistry. 56: 308-315. DOI: 10.1139/V78-048 |
0.307 |
|
1978 |
Cabelkova-Taguchi LM, Warkentin J. Oxidative cyclization of carbonyl derivatives. 5-Imino-Δ1-1,2,4-triazolines from alkylideneimino guanidines Canadian Journal of Chemistry. 56: 2194-2196. DOI: 10.1002/Chin.197850232 |
0.331 |
|
1977 |
Frost DC, Westwood NPC, Werstiuk NH, Cabelkova-Taguchi L, Warkentin J. Preparation and fate of carbon monosulfide (CS). Ultraviolet photoelectron spectroscopic study of the thermolysis of 5,5-dimethyl-1-phenyl-Δ3-1,3,4-triazoline-2-thione Canadian Journal of Chemistry. 55: 3677-3680. DOI: 10.1139/V77-515 |
0.347 |
|
1977 |
Weigl S, Warkentin J. Photoisomerization of 1-triphenylmethylcyclopentadiene. Di-π-methane rearrangement to 5,6,6-triphenylbicyclo[3.1.0]hex-2-ene Canadian Journal of Chemistry. 55: 29-33. DOI: 10.1002/Chin.197719120 |
0.326 |
|
1976 |
Ramakrishnan K, Fulton JB, Warkentin J. Mechanism of thermolysis of 2-hydrazono-Δ3-1,3,4-oxadiazolines to diazetidinium hydroxide inner salts. Evidence for an N-isocyanatoimine intermediate and its novel reaction with phenylisocyanate Tetrahedron. 32: 2685-2688. DOI: 10.1016/0040-4020(76)80106-8 |
0.384 |
|
1976 |
Yeung DWK, Warkentin J. Synthesis and radical decomposition of α-hydroxydiazenes. II. tert-Butylazodiphenylcarbinol Canadian Journal of Chemistry. 54: 1349-1354. DOI: 10.1002/Chin.197640174 |
0.394 |
|
1976 |
Yeung DWK, Warkentin J. Synthetic application of α-hydroxydiazene systems. II. Uncatalyzed and phenol catalyzed radical chain hydro-tert-butylation of unsaturated compounds with tert-butylazodiphenylcarbinol Canadian Journal of Chemistry. 54: 1345-1348. DOI: 10.1002/Chin.197640173 |
0.395 |
|
1976 |
Knittel P, Warkentin J. Synthetic application of α-hydroxydiazene systems. I. Esters from radical chain reactions of unsaturated compounds with 2-hydroxy-2,5,5-trimethyl-Δ3-1,3,4-oxadiazoline Canadian Journal of Chemistry. 54: 1341-1344. DOI: 10.1002/Chin.197640172 |
0.408 |
|
1975 |
Knittel P, Warkentin J. 2-Hydroxy-2,5,5-trimethyl-Δ3-1,3,4-oxadiazoline. Novel Induced Decomposition by Radical Attack at the Hydroxyl Group Canadian Journal of Chemistry. 53: 2275-2278. DOI: 10.1139/V75-319 |
0.408 |
|
1975 |
Knittel P, Warkentin J. 2-Hydroxy-2,5,5-Trimethyl-Delta(3)-1,3,4-Oxadiazoline, Novel Induced Decomposition By Radical Attack At The Hydroxyl Group Cheminform. 6. DOI: 10.1002/Chin.197547126 |
0.338 |
|
1974 |
Calvo C, Ip PC, Krishnamachari N, Warkentin J. Crystal Structure of 1-(Bis-p-chlorophenyl)methylene-3-oxo-4,4-dimethyl-1,2-diazetidmium Hydroxide, Inner Salt, C17H14Cl2N2O Canadian Journal of Chemistry. 52: 2613-2617. DOI: 10.1139/V74-381 |
0.324 |
|
1973 |
Lui H, Warkentin J. Radical Substitutions of Azo Compounds Canadian Journal of Chemistry. 51: 1148-1149. DOI: 10.1139/V73-171 |
0.403 |
|
1973 |
Thorpe JW, Warkentin J. Stereochemical and Steric Effects in Nucleophilic Substitution of α-Halo Ketones Canadian Journal of Chemistry. 51: 927-935. DOI: 10.1139/V73-137 |
0.429 |
|
1973 |
Clark FRS, Warkentin J. Carbonium Ion Rearrangement with Retention at the Migration Terminus Canadian Journal of Chemistry. 51: 4090-4094. DOI: 10.1002/Chin.197414188 |
0.343 |
|
1972 |
Cox RA, Thorpe JW, Warkentin J. Hydrogen Isotope Exchange in 2-Butanone. Further Measurements and Some Comments Canadian Journal of Chemistry. 50: 3239-3241. DOI: 10.1139/V72-516 |
0.305 |
|
1972 |
Cox RA, Warkentin J. Kinetics of Bromination of Acetone, Bromoacetone, and 1,1-Dibromoacetone Canadian Journal of Chemistry. 50: 3233-3238. DOI: 10.1139/V72-515 |
0.55 |
|
1972 |
Werstiuk NH, Vancas I, Warkentin J, Clark FRS. Addition of ICl to Norbornene. The Preparation and Photochemical Isomerization of syn-7-Iodonorbornene Canadian Journal of Chemistry. 50: 291-295. DOI: 10.1139/V72-042 |
0.337 |
|
1970 |
Warkentin J, Hine KE. Isobutane from acid-catalyzed dehydration of butanols Canadian Journal of Chemistry. 48: 3545-3548. DOI: 10.1139/V70-593 |
0.319 |
|
1970 |
CAMERON AM, WEST PR, WARKENTIN J. ChemInform Abstract: OXYDATIONSRK. MIT BLEITETRAACETAT 3. MITT. CYCLISIERUNG VON KETOSEMICARBAZONEN ZU 2-IMINO-DELTA(3)-1,3,4-OXADIAZOLINEN Chemischer Informationsdienst. Organische Chemie. 1: no-no. DOI: 10.1002/Chin.197008179 |
0.581 |
|
1969 |
Gubelt GB, Warkentin J. Oxidation with lead tetraacetate. IV. Cyclization of phenylhydrazones of levulinic acid, levulinanilide, 5-ketohexanoic acid, 4-keto-1-pentanol, and of levulinic acid oxime Canadian Journal of Chemistry. 47: 3983-3987. DOI: 10.1139/V69-663 |
0.329 |
|
1969 |
West PR, Warkentin J. Thermolysis of 5,5-diaryl-2-phenylimino-.DELTA.3-1,3,4-oxadiazolines The Journal of Organic Chemistry. 34: 3233-3237. DOI: 10.1021/jo01263a003 |
0.506 |
|
1969 |
Cameron AM, West PR, Warkentin J. Oxidations with lead tetraacetate. III. Cyclization of ketosemicarbazones to 2-imino-Δ3-1,3,4-oxadiazolines Journal of Organic Chemistry. 34: 3230-3233. DOI: 10.1021/Jo01263A002 |
0.579 |
|
1969 |
West PR, Warkentin J. Thermolysis of 5,5-diaryl-2-phenylimino-Δ3-1,3,4-oxadiazolines Journal of Organic Chemistry. 34: 3233-3237. |
0.527 |
|
1968 |
West PR, Warkentin J. Oxidations with lead tetraacetate. II. .DELTA.3-1,3,4-Oxadiazolines from oxocarbohydrazones and a .DELTA.3-1,3,4-thiadiazoline from acetone thiocarbohydrazone The Journal of Organic Chemistry. 33: 2089-2094. DOI: 10.1021/jo01269a083 |
0.517 |
|
1968 |
Warkentin J, Cox RA. Acetate-catalyzed enolization of 2-butanone Journal of Organic Chemistry. 33: 1301-1303. DOI: 10.1021/Jo01267A105 |
0.386 |
|
1967 |
Warkentin J, West PR. Oxidations with lead tetraacetate. I. Cyclization of ketocarbohydrazones to 3-ketimino-Δ1-1,2,4 tria-3-ones Tetrahedron Letters. 8: 490. |
0.543 |
|
1966 |
Warkentin J, West PB. Oxidations with lead tetraacetate. I. Cyclization of ketocarbohydrazones to 3-ketimino-Δ1-1,2,4-triazolin-3-ones Tetrahedron Letters. 7: 5815-5820. DOI: 10.1016/S0040-4039(00)76089-8 |
0.302 |
|
1961 |
Hammond GS, Warkentin J. The addition of deuterium bromide to 1,3-cyclohexadiene Journal of the American Chemical Society. 83: 2554-2559. DOI: 10.1021/Ja01472A030 |
0.51 |
|
1960 |
Hammond GS, Chin-Hua SWU, Trapp OD, Warkentin J, Keys RT. The mechanism of decomposition of azo compounds. II. Cage effects in the decomposition of α,α′'-azoisobutyronitrile and related compounds Journal of the American Chemical Society. 82: 5394-5399. DOI: 10.1021/Ja01505A026 |
0.466 |
|
1956 |
Dunn GE, Warkentin J. AN ISOTOPIC STUDY OF THE REDUCING ACTION OF THE GRIGNARD REAGENT Canadian Journal of Chemistry. 34: 75-84. DOI: 10.1139/V56-007 |
0.319 |
|
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