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101

Reactions of the super-electrophile, 2-(2′,4′-dinitrophenyl)-4,6-dinitrobenzotriazole 1-oxide, with methoxide and tert -butoxide: basicity and steric hindrance as factors in σ-complex formation versus nucleophilic displacement

Dust, Julian M., Buncel, Erwin

Journal:

Canadian Journal of Chemistry

Year:

1991

Language:

english

File:

PDF, 679 KB

english, 1991

102

Reactions of the ambident super-electrophile series: the 2-(nitroaryl)-4,6-dinitrobenzotriazole 1-oxides with isopropoxide ion. Pathways of decomposition of the anionic σ-adducts

Dust, Julian M., Buncel, Erwin

Journal:

Canadian Journal of Chemistry

Year:

1994

Language:

english

File:

PDF, 664 KB

english, 1994

103

Effect of modification of the electrophilic center on the α effect

Um, Ik-Hwan, Lee, Ji-Youn, Bae, Sun-Young, Buncel, Erwin

Journal:

Canadian Journal of Chemistry

Year:

2005

File:

PDF, 102 KB

2005

104

Modulation of the Spiropyran−Merocyanine Reversion via Metal-Ion Selective Complexation: Trapping of the “Transient” cis -Merocyanine

Wojtyk, James T. C., Kazmaier, Peter M., Buncel, Erwin

Journal:

Chemistry of Materials

Year:

2001

Language:

english

File:

PDF, 86 KB

english, 2001

105

Acceleration of Nucleophilic Attack on an Organophosphorothioate Neurotoxin, Fenitrothion, by Reactive Counterion Cationic Micelles. Regioselectivity as a Probe of Substrate Orientation within the Micelle †

Balakrishnan, Vimal K., Han, Xiumei, VanLoon, Gary W., Dust, Julian M., Toullec, Jean, Buncel, Erwin

Journal:

Year:

2004

Language:

english

File:

PDF, 108 KB

english, 2004

106

Regioselectivity of Meisenheimer complexation in reaction of oxygen-centred nucleophiles with picryl aryl ethers: Polar vs. SET mechanisms

Buncel, Erwin, Dust, Julian M, Manderville, Richard A, Tarkka, Richard M

Journal:

Canadian Journal of Chemistry

Year:

2003

File:

PDF, 348 KB

2003

107

Carbanion mechanisms. 6. Metalation of arylmethanes by potassium hydride/18-crown-6 ether in tetrahydrofuran and the acidity of hydrogen

Buncel, Erwin, Menon, Balachandran

Journal:

Journal of the American Chemical Society

Year:

1977

Language:

english

File:

PDF, 651 KB

english, 1977

108

Concerning the Denticity of the Dimethylsulfinyl Anion in Meisenheimer Complexation

Buncel, Erwin, Park, Kuk-Tae, Dust, Julian M., Manderville, Richard A.

Journal:

Journal of the American Chemical Society

Year:

2003

Language:

english

File:

PDF, 90 KB

english, 2003

109

Base catalysis of .sigma.-complex formation between 1,3,5-trinitrobenzene and aniline in dimethyl sulfoxide. Rate limiting proton transfer

Buncel, Erwin, Eggimann, Walter

Journal:

Journal of the American Chemical Society

Year:

1977

Language:

english

File:

PDF, 791 KB

english, 1977

110

NMR studies of phenylsilyl anions. Evaluation of ion pairing and charge distribution

Buncel, Erwin, Venkatachalam, T. K., Eliasson, Bertil, Edlund, Ulf

Journal:

Journal of the American Chemical Society

Year:

1985

Language:

english

File:

PDF, 565 KB

english, 1985

111

.sigma. Complex formation involving ambident phenoxide ion

Buncel, Erwin., Webb, John G. K.

Journal:

Journal of the American Chemical Society

Year:

1973

Language:

english

File:

PDF, 404 KB

english, 1973

112

Reactivity-selectivity correlations. 2. Reactivity of alkyl aryl sulfates toward oxygen nucleophiles and the reactivity-selectivity principle

Buncel, Erwin, Chuaqui, Claudio

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 813 KB

english, 1980

113

An Approach to a Benzocyclopropene

Ullman, Edwin F., Buncel, Erwin.

Journal:

Journal of the American Chemical Society

Year:

1963

Language:

english

File:

PDF, 909 KB

english, 1963

114

Enhanced Bistability of a Photochromic Microparticle in Condensed Medium

Whelan, Jamie, Wojtyk, James T. C., Buncel, Erwin

Journal:

Chemistry of Materials

Year:

2008

Language:

english

File:

PDF, 306 KB

english, 2008

115

Gas-Phase Cation Basicities for Sulfuryl Species from Calculation and Experiment †

Borrajo, Alison M. P., Gal, Jean-François, Maria, Pierre-Charles, Decouzon, Michèle, Ripley, Daphne C., Buncel, Erwin, Thatcher, Gregory R. J.

Journal:

Journal of Organic Chemistry

Year:

1997

Language:

english

File:

PDF, 163 KB

english, 1997

116

Degradation of the Pesticide Fenitrothion as Mediated by Cationic Surfactants and α-Nucleophilic Reagents

Han, Xiumei, Balakrishnan, Vimal K., vanLoon, Gary W., Buncel, Erwin

Journal:

Year:

2006

Language:

english

File:

PDF, 150 KB

english, 2006

117

Thermal Racemization of Substituted Indolinobenzospiropyrans: Evidence of Competing Polar and Nonpolar Mechanisms

Swansburg, Susan, Buncel, Erwin, Lemieux, Robert P.

Journal:

Journal of the American Chemical Society

Year:

2000

Language:

english

File:

PDF, 187 KB

english, 2000

118

Ambident Reactivity of Enolate Ions toward 1,3,5-Trinitrobenzene. The First Observation of an Oxygen-Bonded Enolate Meisenheimer Complex

Buncel, Erwin, Dust, Julian M., Manderville, Richard A.

Journal:

Journal of the American Chemical Society

Year:

1996

Language:

english

File:

PDF, 121 KB

english, 1996

119

Re-Evaluation of Cyclodextrin as a Model of Chymotrypsin: Acceleration and Inhibition of Tertiary Anilide Hydrolysis

Palmer, David R. J., Buncel, Erwin, Thatcher, Gregory R. J.

Journal:

Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 694 KB

english, 1994

120

Alkali-Metal Ion Catalysis and Inhibition in S N Ar Displacement: Relative Stabilization of Ground State and Transition State Determines Catalysis and Inhibition in S N Ar Reactivity

Um, Ik-Hwan, Cho, Hyo-Jin, Kim, Min-Young, Buncel, Erwin

Journal:

Chemistry - A European Journal

Year:

2014

Language:

english

File:

PDF, 408 KB

english, 2014

121

Origin of the Bell-Shaped .alpha.-Effect-Solvent Composition Plots. pKa-Solvent Dependence of the .alpha.-Effect at a Phosphorus Center

Tarkka, Richard M., Buncel, Erwin

Journal:

Journal of the American Chemical Society

Year:

1995

Language:

english

File:

PDF, 653 KB

english, 1995

122

Metal ion-biomolecule interactions. Synthesis, spectroscopic, and magnetic resonance investigations of methylmercury(II) complexes of the nucleosides guanosine and inosine

Buncel, Erwin., Norris, Albert R., Racz, William J., Taylor, Spencer E.

Journal:

Inorganic Chemistry

Year:

1981

Language:

english

File:

PDF, 761 KB

english, 1981

123

Degradation and Sorption of Pirimiphos-methyl in Two Nigerian Soils †

Eneji, Ishaq S., Buncel, Erwin, vanLoon, Gary W.

Journal:

Journal of Agricultural and Food Chemistry

Year:

2002

Language:

english

File:

PDF, 96 KB

english, 2002

124

Catalysis of Isotopic Hydrogen Exchange in 1-Methylimidazole by Cr(III)

Buncel, Erwin, Clement, Omoshile, Onyido, Ikenna

Journal:

Journal of the American Chemical Society

Year:

1994

Language:

english

File:

PDF, 249 KB

english, 1994

125

α- and β-Cyclodextrin [2]rotaxanes with (diethylenetriamine)platinum(II) stoppers

Jin, Victor X, Macartney, Donal H, Buncel, Erwin

Journal:

Canadian Journal of Chemistry

Year:

2005

Language:

english

File:

PDF, 162 KB

english, 2005

126

Inversion of kinetic and thermodynamic preferences in Meisenheimer complex formation: regioselectivity in the reaction of 2,4,6-trimethylphenoxide ion with 2,4,6-trinitroanisole and the importance of stereoelectronic factors

Manderville, Richard A., Buncel, Erwin

Journal:

Journal of the American Chemical Society

Year:

1993

Language:

english

File:

PDF, 646 KB

english, 1993

127

An Unexpected Ring Protonation in Meisenheimer Complex Formation

Manderville, Richard A., Buncel, Erwin

Journal:

Journal of Organic Chemistry

Year:

1997

Language:

english

File:

PDF, 306 KB

english, 1997

128

Solvent Effect on the α-Effect for the Reactions of Aryl Acetates with Butane-2,3-dione Monoximate and p -Chlorophenoxide in MeCN−H 2 O Mixtures

Um, Ik-Hwan, Lee, Eun-Ju, Buncel, Erwin

Journal:

Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 83 KB

english, 2001

129

Potassium cryptate catalysis in the elimination reaction of a sulfonate ester

Pregel, Marko J., Buncel, Erwin

Journal:

Journal of the American Chemical Society

Year:

1993

Language:

english

File:

PDF, 619 KB

english, 1993

130

Reactivity-selectivity correlations. 4. The .alpha. effect in SN2 reactions at sp3 carbon. The reactions of hydrogen peroxide anion with methyl phenyl sulfates

Buncel, Erwin, Wilson, Harold, Chuaqui, Claudio

Journal:

Journal of the American Chemical Society

Year:

1982

Language:

english

File:

PDF, 644 KB

english, 1982

131

Kinetics of the Acid-catalyzed Hydrolysis of 4-(p-Sulfophenylazo)-1-naphthyl Methyl Ether and 4-(p-Sulfophenylazo)-anisole 1

Bunnett, J. F., Buncel, Erwin

Journal:

Journal of the American Chemical Society

Year:

1961

Language:

english

File:

PDF, 817 KB

english, 1961

132

Thermo- and photochromic dyes: indolino-benzospiropyrans. Part 1. UV–VIS spectroscopic studies of 1,3,3-spiro(2 H -1-benzopyran-2,2′-indolines) and the open-chain merocyanine forms; solvatochromism and medium effects on spiro ring formation

Keum, Sam-Rok, Hur, Mun-Suk, Kazmaier, Peter M., Buncel, Erwin

Journal:

Canadian Journal of Chemistry

Year:

1991

Language:

english

File:

PDF, 461 KB

english, 1991

133

Metal-ion catalysis in nucleophilic displacement reactions at carbon, phosphorus, and sulfur centers. 5. Alkali-metal ion catalysis and inhibition in the reaction of p-(trifluoromethyl)phenyl methanesulfonate with ethoxide ion

Pregel, Marko J., Buncel, Erwin

Journal:

Journal of Organic Chemistry

Year:

1991

Language:

english

File:

PDF, 760 KB

english, 1991

134

Reaction pathways in the formation of the 1,3,5-trinitrobenzene-anilide .sigma. complex from aniline and the 1,3,5-trinitrobenzene-methoxide .sigma. complex

Buncel, Erwin, Webb, John G. K., Wiltshire, James F.

Journal:

Journal of the American Chemical Society

Year:

1977

Language:

english

File:

PDF, 1.09 MB

english, 1977

135

Hydrogen−Deuterium Exchange Studies in Platinum(II) Complexes of 1-Methylimidazole 1

Clement, Omoshile, Roszak, Aleksander W., Buncel, Erwin

Journal:

Journal of the American Chemical Society

Year:

1996

Language:

english

File:

PDF, 351 KB

english, 1996

136

Metal ion catalysis in nucleophilic displacement reactions at carbon, phosphorus, and sulfur centers. 4. Mechanism of the reaction of aryl benzenesulfonates with alkali-metal ethoxides: catalysis and inhibition by alkali-metal ions

Pregel, Marko J., Dunn, Edward J., Buncel, Erwin

Journal:

Journal of the American Chemical Society

Year:

1991

Language:

english

File:

PDF, 771 KB

english, 1991

137

Alkali Metal Ion Catalysis and Inhibition in Nucleophilic Displacement Reactions at Phosphorus Centers: Ethyl and Methyl Paraoxon and Ethyl and Methyl Parathion †

Um, Ik-Hwan, Shin, Young-Hee, Lee, Seung-Eun, Yang, Kiyull, Buncel, Erwin

Journal:

Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 309 KB

english, 2008

138

Initial-state and transition-state solvent effects on reaction rates and the use of thermodynamic transfer functions

Buncel, Erwin, Wilson, Harold

Journal:

Accounts of Chemical Research

Year:

1979

Language:

english

File:

PDF, 934 KB

english, 1979

139

Catalysis of hydrogen exchange in m-dinitrobenzene

Buncel, Erwin., Zabel, A. W.

Journal:

Journal of the American Chemical Society

Year:

1967

Language:

english

File:

PDF, 379 KB

english, 1967

140

Spiropyran-Merocyanine Equilibrium in Presence of Organic Acids and Bases

Xiao, Ningning, Chen, Yu, Lemieux, Robert, Buncel, Erwin, Iftime, Gabriel, Kazmaier, Peter M.

Journal:

Molecular Crystals and Liquid Crystals

Year:

2005

Language:

english

File:

PDF, 149 KB

english, 2005

141

Ground-State versus Transition-State Effects on the α-Effect as Expressed by Solvent Effects

Um, Ik-Hwan, Buncel, Erwin

Journal:

Journal of the American Chemical Society

Year:

2001

Language:

english

File:

PDF, 39 KB

english, 2001

142

Spirooxazine to Merooxazine Interconversion in the Presence and Absence of Zinc: Approach to a Bistable Photochemical Switch

Tian, Zhiyuan, Stairs, Robert A., Wyer, Martin, Mosey, Nicholas, Dust, Julian M., Kraft, Thomas M., Buncel, Erwin

Journal:

Journal of Physical Chemistry A

Year:

2010

Language:

english

File:

PDF, 1.29 MB

english, 2010

143

Catalysis in strongly acidic media and the Wallach rearrangement

Journal:

Accounts of Chemical Research

Year:

1975

Language:

english

File:

PDF, 984 KB

english, 1975

144

A theoretical treatment of nucleophilic reactivity in additions to carbonyl compounds. Role of the vertical ionization energy

Buncel, Erwin., Shaik, Sason S., Um, Ik Hwan., Wolfe, Saul.

Journal:

Journal of the American Chemical Society

Year:

1988

Language:

english

File:

PDF, 648 KB

english, 1988

145

The Mechanism of Acid-catalyzed Hydrolysis of Azoaryl Ethers

Bunnett, J. F., Buncel, Erwin., Nahabedian, K. V.

Journal:

Journal of the American Chemical Society

Year:

1962

Language:

english

File:

PDF, 626 KB

english, 1962

146

Solvatochromic studies of novel azo merocyanine dyes. The .pi.*azo scale of solvent polarity

Buncel, Erwin, Rajagopal, Srinivasan

Journal:

Journal of Organic Chemistry

Year:

1989

Language:

english

File:

PDF, 1.41 MB

english, 1989

147

Alkaline Degradation of the Organophosphorus Pesticide Fenitrothion as Mediated by Cationic C 12 , C 14 , C 16 , and C 18 Surfactants

Han, Xiumei, Balakrishnan, Vimal K., Buncel, Erwin

Journal:

Year:

2007

Language:

english

File:

PDF, 106 KB

english, 2007

148

Ambident nucleophilic reactivity. 9. Regioselectivity in the reaction of ambident phenoxide ion and methoxide and hydroxide ions with 2,4,6-trinitroanisole. Kinetic and thermodynamic control

Buncel, Erwin, Dust, Julian M., Jonczyk, Andrzej, Manderville, Richard A., Onyido, Ikenna

Journal:

Journal of the American Chemical Society

Year:

1992

Language:

english

File:

PDF, 1.37 MB

english, 1992

149

Bond scission in sulfur compounds. VIII. Reaction of aryl chlorosulfates with anionic nucleophiles

Buncel, Erwin., Raoult, Alain., Lancaster, Lai A.

Journal:

Journal of the American Chemical Society

Year:

1973

Language:

english

File:

PDF, 487 KB

english, 1973

150

Mechanistic studies in strong acids. 15. 4-[(3,4-Dimethoxyphenyl)azo]pyridine: two different pathways in the acid hydrolysis of the two methoxy groups

Cox, Robin A., Onyido, Ikenna, Buncel, Erwin

Journal:

Journal of the American Chemical Society

Year:

1992

Language:

english

File:

PDF, 743 KB

english, 1992

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