Phosphine-catalyzed [3+2] cycloaddition reactions of substituted 2-alkynoates or 2,3-allenoates with electron-deficient olefins and imines
作者:Zhenrong Xu、Xiyan Lu
DOI:10.1016/s0040-4039(98)02405-8
日期:1999.1
In the presence of a catalytic amount of tributylphosphine, substituted 2-alkynoates or 2,3-allenoates reacted with electron-deficient olefins and imines at room temperature to afford the [3+2] cycloaddition products in moderate to good yields.