Cyclic guanidines. Part 6. Synthesis of benzimidazoles by intramolecular vicarious nucleophilic substitution of hydrogen

被引:25
作者
Esser, F [1 ]
Ehrengart, P [1 ]
Ignatow, HP [1 ]
机构
[1] Boehringer Ingelheim GmbH & Co KG, Dept Med Chem, D-55216 Ingelheim, Germany
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1999年 / 09期
关键词
D O I
10.1039/a900553f
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
m-Nitrophenylguanidines, which carry a vicarious leaving group, cyclize under basic conditions yielding nitro-benzimidazoles. Preliminary observations of the regioselectivity of the ring closure reaction are reported.
引用
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页码:1153 / 1154
页数:2
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