ELIMINATION KINETICS OF TERTIARY ALCOHOLS CATALYZED BY HBR IN THE GAS-PHASE

被引：8
|
作者：
CHUCHANI, G
DOMINGUEZ, RM
ROTINOV, A
MARTIN, I
机构：
[1] Centro de Química, Instituto Venezolano de Investigaciones Científicas (I. V. I. C.), Caracas, 1020-A
来源：
REACTION KINETICS AND CATALYSIS LETTERS | 1991年 / 45卷 / 02期
关键词：
D O I：
10.1007/BF02070441
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The homogeneous, molecular, gas phase elimination kinetics of several tertiary alcohols in seasoned, static reaction vessels, catalyzed by hydrogen bromide at temperatures of 320-392-degrees-C and pressures of 40-174 torr are described. The steric factor appears to be responsible for rate enhancement in the dehydration process. A six-membered cyclic transition state appears to be a reasonable explanation for the mechanism of these reactions.
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页码：291 / 297
页数：7
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