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BIMOLECULAR FORMATION OF RADICALS BY HYDROGEN TRANSFER .1. THE UNCATALYZED TRANSFER HYDROGENATION OF ALPHA-METHYLSTYRENE BY DIHYDROANTHRACENE OR XANTHENE - A RADICAL REACTION

被引：43
作者：
RUCHARDT, C
GERST, M
NOLKE, M
机构：
[1] Institut Für Organische Chemie Und Biochemie, Universität Freiburg, D-W-7800
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1992年 / 31卷 / 11期
关键词：
D O I：
10.1002/anie.199215231
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Cumene (3) is formed almost quantitatively from alpha-methylstyrene (1) by hydrogen transfer from dihydroanthracene (2a) or xanthene (2b) at 270-310-degrees-C. The initial step in this reaction is the first example of a stoichiometric, bimolecular, molecule-induced formation of radicals in solution (proven by ESR) by hydrogen transfer. This type of reaction has been postulated for the initiation of chain reactions such as the thermal polymerization of styrene.
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页码：1523 / 1525
页数：3
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