A SIMPLE STEREOSELECTIVE SYNTHESIS OF (l<i>R</i>,3<i>R</i>,5<i>S</i>)-1,3-DIMETHYL-2,9-DIOXABICYCLO[3,3,1]NONANE USING REGIOSELECTIVE RING-OPENING OF (<i>R</i>)-β-METHYL-β-PROPIOLACTONE
作者:Toshio Sato、Toshiyuki Itoh、Chihiro Hattori、Tamotsu Fujisawa
DOI:10.1246/cl.1983.1391
日期:1983.9.5
A facile stereoselective synthesis of (1R,3R,5S)-1,3-dimethyl-2,9-dioxabicyclo[3.3.1]nonane was achieved from (R)-2-hydroxy-7-octen-4-one, which was easily prepared by the copper-catalyzed reaction of (R)-β-methyl-β-propiolactone with vinylmagnesium bromide.
(1R,3R,5S)-1,3-二甲基-2,9-二氧杂双环[3.3.1]壬烷的立体选择性合成是从 (R)-2-羟基-7-octen-4-one 实现的,其中通过(R)-β-甲基-β-丙内酯与乙烯基溴化镁的铜催化反应很容易制备。