作者:Yoshinori Yamamoto、Kazuhiro Maruyama
DOI:10.1039/c39840000904
日期:——
enoate (5) produces predominantly the syn-isomer (7) having the butyl and methyl groups syn on the carbon chain, while the methylation of the enolate derived from the ester (8) gives preferentially the other diastereoisomer, anti-(6); the diastereoselectivity can be explained by an eclipsed model.
BuCu的共轭加成·BF 3的烯酸甲酯(5)主要产生顺式-异构体(7具有丁酯和甲基基团)顺式碳链上的,而烯醇化物的甲基化由酯衍生的(8)给出优先另一非对映异构体,抗-(6);非对映选择性可以通过偏模型来解释。