lanthanides;
catalysis;
acidity;
tin and compounds;
D O I:
10.1016/S0040-4039(98)02086-3
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Addition of one equivalent of benzoic acid greatly enhances the efficiency of our ytterbium triflate catalyzed allylation of aldehydes with allyltributyltin in acetonitrile. Crucial modifications to reaction conditions result in a dramatically increased rate at remarkably low catalyst loading. (C) 1998 Elsevier Science Ltd. All rights reserved.