Investigations on transition-state geometry in the aldol condensation.
作者:Scott E. Denmark、Brad R. Henke
DOI:10.1021/ja00006a042
日期:1991.3
Model compounds have been studied to elucidate the relative orientation of enolate and carbonyl moieties in the aldol reaction. The syntheses of these compounds have been achieved from a common precursor derived from fragmentation of adamantane. Models of the limiting transition structures reveal that the cyclization must proceed through either a synclinal or antiperiplanar orientation of the aldehyde
已经研究了模型化合物以阐明醇醛反应中烯醇化物和羰基部分的相对取向。这些化合物的合成是由源自金刚烷碎裂的常见前体实现的。限制过渡结构的模型表明,环化必须通过醛相对于烯醇化物的向斜或反周向取向进行。讨论了选择性的起源以及烯醇和过渡结构的含义