The synthesis of simple alkyl substituted spiroacetals by α,α′-alkylation of metalated acetone dimethylhydrazone with appropriate electrophiles and subsequent acid catalyzed cleavage and ring closure of the products is described.
通过合适的亲电试剂与
金属化
丙酮二甲基
脲的α,α′-烷基化反应,随后进行酸催化的断裂和环化闭合,描述了简单烷基取代螺
缩醛的合成方法。