is used. Thus, when the primary bromide, 4-bromo-3-methyl-2-buten-l-ol acetate, is employed, the product may be obtained directly by the addition of dimethyl sulfoxide (DMSO) in the presence of a non-n 最宜的路线到期望产品, E 4 acetoxy 2甲醇2 butenal,取决于使用哪个主要halide中间体...
另外,这协议除马来酸盐之外的有趣的是电子被容忍的短少烯烃dipolarophiles,例如乙烯基酮 (和酯类)图5 .24,甲基2nitrophenyl(丙烯酸盐)可能也参加azomethine ylides 1,3双极cycloaddition反应与3-methylbutenal产生的2高度enantioenriched吡咯烷负担所有碳的衍生物49d四个一组 ...