amine and generated by the addition of alkyl radicals to racemic or enantiomerically pure acrylates 1 react with tributyltin hydride in high yields and moderate to good diastereoselectivity. 1,2-Asymmetric induction depends on the nature of the groups at the stereogenic and the prochiral center and is remarkably sensitive to changes in the aryl-o-substituent.
与手性胺相邻并通过向外消旋或对映体纯的
丙烯酸酯1中添加烷基而产生的碳中心自由基与氢化三
丁基锡以高收率和中等至良好的非对映选择性反应。1,2-非对称诱导依赖于基团中的所述立体异构源的性质和前手性中心,并是在芳基-的变化显着敏感ø -取代。