Tandem Aldol-Reduction Reaction of Dimethylsilyl Enolates: A New Method for Stereoselective Preparation of 1,3-Diols
作者:Katsukiyo Miura、Takahiro Nakagawa、Shuntaro Suda、Akira Hosomi
DOI:10.1246/cl.2000.150
日期:2000.2
derived from acyclic ketones reacted with aldehydes to give syn,syn-1,3-diols 7a and 8a with moderate to high diastereoselectivity. The stereochemical outcome can be attributed to a syn-selective aldol reaction and the subsequent 1,2-syn-selective intramolecular reduction.
在催化量的 TBAF (Bu4NF) 存在下,衍生自无环酮的二甲基甲硅烷基烯醇化物与醛反应,得到具有中高非对映选择性的 syn,syn-1,3-二醇 7a 和 8a。立体化学结果可归因于顺式选择性羟醛反应和随后的 1,2-顺式选择性分子内还原。