STUDIES ON SYNTHESIS OF A/B RING ANALOGUES OF CASTASTERONE Ⅱ.STEREOSELECTIVE SYNTHESIS OF 2 β,3 β-DIHYDROXY-6-CHOLESTERONE
Gao Bi, Wang Zhicai, Zheng Qihuang, XU Zhiwen
Chinese Journal of Applied Chemistry . 1993, (1): 12 -15 .