Baker's yeast-induced asymmetric reduction of α-ketosulfides: synthesis of optically active 1-(benzothiazol-2-ylsulfanyl)-2-alkanols, 2-alkanols, and thiiranes

Add time:08/16/2019    Source:sciencedirect.com

1-(Benzothiazol-2-ylsulfanyl)-2-alkanols 3 were prepared in very high 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.

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