A new approach for preparation of atropisomers of arylpyridyls via cross-coupling reactions of aryl 2-(3-substituted)pyridyl sulfoxides with grignard and organolithium reagents
作者:Tadao Shibutani、Hisashi Fujihara、Naomichi Furukawa
DOI:10.1016/0040-4039(91)80656-q
日期:1991.6
The cross-coupling reactions of phenyl 2-(3-substituted)pyridyl sulfoxides with 2-methoxyphenyl- and 1-(2 methoxy)naphthyl Grignard and 2-phenoxyphenyl lithium reagents afforded atropisomers of arylpyridyl derivatives in good yields which undergo thermal epimerization.
苯基2-(3-取代的)
吡啶亚砜与2-
甲氧基苯基-和1-(2-甲氧基)
萘格氏试剂与2-苯氧基
苯基锂试剂的交叉偶联反应提供了芳基
吡啶基衍
生物的阻转异构体,其收率很高,并进行了热差向异构化。