Indium Tribromide Catalyzed Cross-Claisen Condensation between Carboxylic Acids and Ketene Silyl Acetals Using Alkoxyhydrosilanes
作者:Yoshihiro Nishimoto、Aya Okita、Makoto Yasuda、Akio Baba
DOI:10.1002/anie.201104140
日期:2011.9.5
Acylations achieved: The title reaction between carboxylic acids and ketene silyl acetals has been accomplished (see scheme). The additive, (MeO)3SiH, is believed to play an important role in the promotion of the condensation reaction. This reaction system was compatible with a diverse range of functional groups, including alkenes, alkynes, chlorides, alcohols, esters, and nitro groups.
达到的酰化作用:羧酸与乙烯酮甲硅烷基缩醛之间的标题反应已经完成(参见方案)。据信添加剂(MeO)3 SiH在促进缩合反应中起重要作用。该反应体系可与多种官能团兼容,包括烯烃,炔烃,氯化物,醇,酯和硝基。