Baker's yeast-induced asymmetric reduction of α-ketosulfides: synthesis of optically active 1-(benzothiazol-2-ylsulfanyl)-2-alkanols, 2-alkanols, and thiiranes
作者:Leonardo Di Nunno、Carlo Franchini、Angelo Nacci、Antonio Scilimati、Maria Stefania Sinicropi
DOI:10.1016/s0957-4166(99)00199-8
日期:1999.5
enantiomeric excess by baker's yeast-induced asymmetric reduction of 1-(benzothiazol-2-ylsulfanyl)-2-alkanones 1. Conversion of 3 into optically active simple 2-alkanols 4 and thiiranes 2 by reductive desulfurization and base treatment, respectively, is also described. The absolute configuration of the new compounds synthesized has been established by chemical correlation and specific rotation comparison.
1-(苯并噻唑-2-基硫烷基)-2-链烷醇3是通过贝克酵母诱导的1-(苯并噻唑-2-基硫烷基)-2-链烷酮1的不对称还原以非常高的对映体形式制备的。还描述了分别通过还原性脱硫和碱处理将3转化为旋光的简单2-链烷醇4和噻喃2。通过化学相关性和比旋光度比较,已经确定了合成的新化合物的绝对构型。