Diastereo- and enantioselective synthesis of anti-1,3-mercapto alcohols from α,β-unsaturated ketones via tandem Michael addition–MPV reduction
作者:Minoru Ozeki、Kiyoharu Nishide、Fumiteru Teraoka、Manabu Node
DOI:10.1016/j.tetasy.2004.01.020
日期:2004.3
A new and effective asymmetric synthesis of anti-1,3-mercapto alcohols 3 from α,β-unsaturated ketones 1 utilizing tandem Michael addition–Meerwein–Ponndorf–Verley (MPV) reduction is described. Transformation of the MPV products anti-4 via the Wagner–Meerwein rearrangement was optimized under acidic or basic conditions to afford 1,3-mercapto alcohols anti-3, depending on the substituent R2 of 4.
的一种新的和有效的不对称合成的反-1,3-巯基醇3从α,β不饱和酮1利用串联迈克尔加成-米尔文-Ponndorf-沃莱(MPV)还原进行说明。在MPV产品的转化反- 4经由瓦格纳米尔文重排酸性或碱性条件下的优化,得到1,3-巯基醇的抗- 3,这取决于取代基R 2的4。