Efficient, Regioselective Palladium-Catalyzed Tandem Heck-Isomerization Reaction of Aryl Bromides and Non-Allylic Benzyl Alcohols
作者:Matthew L. Crawley、Kristin M. Phipps、Igor Goljer、John F. Mehlmann、Joseph T. Lundquist、John W. Ullrich、Cuijian Yang、Paige E. Mahaney
DOI:10.1021/ol900036y
日期:2009.3.5
An efficient and mild method to couple arylbromides and activated non-allylic alcohols in a Heckreaction with tandem isomerization to selectively afford high yields of 1,5-diarylalkan-1-ones has been developed. Mechanistic insight was gained through NMR studies of products derived from deuterium-labeled intermediates.
The nickel-catalyzed three-component reductive carbonylation of alkylhalides, aryl halides, and ethyl chloroformate is described. The use of ethyl chloroformate as a safe and readily available source of CO provides an efficient and practical alternative for the synthesis of aryl-alkyl ketones.
描述了烷基卤化物、芳基卤化物和氯甲酸乙酯的镍催化三组分还原羰基化。使用氯甲酸乙酯作为一种安全且容易获得的 CO 来源,为芳基烷基酮的合成提供了一种有效且实用的替代方案。