Expedient Construction of Multiple Stereogenic Centers in an Acyclic System via the Addition of Aldehydes, Ketones, and Chiral Imines to an Enyne−Titanium Alkoxide Complex
作者:Takashi Hamada、Ryo Mizojiri、Hirokazu Urabe、Fumie Sato
DOI:10.1021/ja001334r
日期:2000.7.26
Synthesis of Enantiomerically Enriched α-Sulfenylated Ketones and Aldehydes
作者:Joo-Hack Youn、Rudolf Herrmann、Ivar Ugi
DOI:10.1055/s-1987-27870
日期:——
α-Sulfenylated carbonyl compounds are prepared by the reaction of imines of aldehydes and ketones containing α-hydrogens with disulfides via the metalloenamines. With (R)-α-phenylethylamine as chiral auxiliary, enantiomeric excesses of 13-51% are observed.