作者:Francisco J. Fañanás、Mónica Álvarez-Pérez、Félix Rodríguez
DOI:10.1002/chem.200500070
日期:2005.10.7
Acetal derivatives are easily obtained from 1,2-difunctionalized compounds by a new reaction mediated by IPy2BF4 with a mechanism based on a 1,2-migration of aryl or alkyl groups. A new oxidative rearrangement reaction of olefins is also described. Moreover, when this metal-free protocol is applied to cyclic olefins, interesting ring-contraction reactions are observed. The new methodologies described
通过IPy2BF4介导的新反应,以基于芳基或烷基的1,2-迁移机理为基础,可以轻松地从1,2-双官能化的化合物中获得乙缩醛衍生物。还描述了烯烃的新的氧化重排反应。此外,当将这种无金属的方案应用于环烯烃时,会观察到有趣的环收缩反应。此处介绍的新方法是使用潜在有毒金属配合物的已知策略的一种干净有效的替代方法。