Straightforward Synthesis of 2-(1H-Pyrazol-4-yl)-1H-benzimidazoles

被引：0

作者：

Shatrova, A. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Favorsky Irkutsk Inst Chem, Siberian Branch, Irkutsk 664033, Russia

来源：

RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2022年 / 58卷 / 06期

关键词：

benzimidazoles; pyrazole-4-carbaldehydes; o-phenylenediamine; chloro(trimethyl)silane; oxidative condensation; EFFICIENT; CATALYST;

D O I：

10.1134/S1070428022060070

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

One-pot condensation of pyrazole-4-carbaldehydes with o-phenylenediamine in the presence of chloro(trimethyl)silane (pyridine, 90 degrees C, ambient air) afforded previously inaccessible 2-(1H-pyrazol-4-yl)-1H-benzimidazoles in good yields.

引用

页码：805 / 809

页数：5

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