Carbon-14 and deuterium isotope effects in the borderline solvolysis of isopropyl .beta.-naphthalenesulfonate

1982 ◽  
Vol 104 (20) ◽  
pp. 5493-5494 ◽  
Author(s):  
Takashi Ando ◽  
Hiroshi Yamataka ◽  
Shinichi Tamura ◽  
Terukiyo Hanafusa
Keyword(s):  
Isotope Effects ◽  
Carbon 14 ◽  
Deuterium Isotope Effects

Carbon-14 and deuterium isotope effects during the [2 + 2] cycloaddition of diphenylketene to styrene

1978 ◽  
Vol 100 (8) ◽  
pp. 2570-2571 ◽  
Author(s):  
Clair J. Collins ◽  
Ben M. Benjamin ◽  
George W. Kabalka
Keyword(s):  
Isotope Effects ◽  
Carbon 14 ◽  
Deuterium Isotope Effects

ChemInform Abstract: CARBON-14 AND DEUTERIUM ISOTOPE EFFECTS IN THE BORDERLINE SOLVOLYSIS OF ISOPROPYL β-NAPHTHALENESULFONATE

1983 ◽  
Vol 14 (1) ◽  
Author(s):  
T. ANDO ◽  
H. YAMATAKA ◽  
S. TAMURA ◽  
T. HANAFUSA
Keyword(s):  
Isotope Effects ◽  
Carbon 14 ◽  
Deuterium Isotope Effects

ChemInform Abstract: CARBON-14 AND DEUTERIUM ISOTOPE EFFECTS DURING THE (2 + 2) CYCLOADDITION OF DIPHENYLKETENE TO STYRENE

1978 ◽  
Vol 9 (32) ◽  
Author(s):  
C. J. COLLINS ◽  
B. M. BENJAMIN ◽  
G. W. KABALKA
Keyword(s):  
Isotope Effects ◽  
Carbon 14 ◽  
Deuterium Isotope Effects

Neighboring group participation in solvolysis. V. Carbon-14 and deuterium isotope effects in solvolysis of neophyl ϖ-bromobenzenesulfonate

1973 ◽  
Vol 14 (48) ◽  
pp. 4767-4770 ◽  
Author(s):  
Hiroshi Yamataka ◽  
Sueng-Geon Kim ◽  
Takashi Ando ◽  
Yasuhide Yukawa
Keyword(s):  
Isotope Effects ◽  
Neighboring Group ◽  
Group Participation ◽  
Carbon 14 ◽  
Deuterium Isotope Effects ◽  
Neighboring Group Participation

Mechanism of hydration and isomerisation of 4-ethylidene-2,6-di-tert-butyl-2,5-cyclohexadien-1-one. Kinetics, acid-base catalysis and solvent deuterium isotope effects

1979 ◽  
Vol 44 (1) ◽  
pp. 110-122 ◽  
Author(s):  
Jiří Velek ◽  
Bohumír Koutek ◽  
Milan Souček
Keyword(s):  
Aqueous Medium ◽  
Rate Equation ◽  
Kinetic Data ◽  
Isotope Effects ◽  
Base Catalysis ◽  
Quinone Methide ◽  
Reaction Products ◽  
Acid Base ◽  
Deuterium Isotope Effects ◽  
Hydroxybenzyl Alcohol

Competitive hydration and isomerisation of the quinone methide I at 25 °C in an aqueous medium in the region of pH 2.4-13.0 was studied spectrophotometrically. The only reaction products in the studied range of pH are 4-hydroxybenzyl alcohol (II) and 4-hydroxystyrene (III). The form of the overall rate equation corresponds to a general acid-base catalysis. The mechanism of both reactions for three markedly separated pH regions is discussed on the basis of kinetic data and solvent deuterium effect.

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