RUTHENIUM CARBONYL-CATALYZED DEOXYGENATION BY CARBON-MONOXIDE OF ORTHO-SUBSTITUTED NITROBENZENES - SYNTHESIS OF BENZIMIDAZOLES

被引：31

作者：

CROTTI, C

CENINI, S

RAGAINI, F

PORTA, F

TOLLARI, S

机构：

[1] DIPARTIMENTO CHIM INORGAN & MET ORGAN,VIA VENEZIAN 21,I-20133 MILAN,ITALY

[2] DIPARTIMENTO CHIM ORGAN & IND,I-20133 MILAN,ITALY

[3] CNR CTR,I-20133 MILAN,ITALY

来源：

JOURNAL OF MOLECULAR CATALYSIS | 1992年 / 72卷 / 03期

关键词：

D O I：

10.1016/0304-5102(92)85006-2

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：

Ru3(CO)12 is a very efficient catalyst for the deoxygenation of 2-nitro-N-(phenylmethylene) benzeneamine derivatives to give the corresponding 2-substituted benzimidazoles, at 220-degrees-C and 50 bar of carbon monoxide. Main byproducts are the corresponding amines. The same benzimidazoles are also obtained starting from o-nitroaniline and the corresponding aldehyde. When N-(2-nitrophenyl)methylene benzeneamine derivatives are used as substrates, the reaction changes dramatically and only traces of the corresponding heterocyclic compounds are obtained, although complete conversion of the starting nitro compounds is achieved.

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页码：283 / 298

页数：16

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