NEW SYNTHESIS OF TWO OPTICALLY ACTIVE STEROID CD RING SYNTHONS BY MICROBIAL ASYMMETRIC REDUCTION
Two optically active steroid CD ring synthons 4 and 19 were synthesized from 11 obtained by the microbial asymmetric reduction of a pro-chiral trione 10 which could be efficiently prepared by the reaction of a new annelating reagent 9 with 2-ethyl-cyclope
Dai, Wei-Min,Zhou, Wei-Shan
p. 4475 - 4482
(2007/10/02)
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