Citation:
Liu Xingping, Liang Xiaotian. STUDY ON STEROSELECTIVE BOROHYDROGENATION OF 3, 5-CYCLO-6-METHOXYL-PREGN-20(22)-ENE[J]. Chinese Journal of Applied Chemistry,
;1989, 6(2): 60-62.
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The stereoselective borohydrogenation of 3, 5-cyclo-6-methoxyl-pregn-20(22) 5 by dicy-clohexylboronane to 20S-22-ol 1 was investigated.An appropriate ratio of sodium borohydride to boron trifluoride used in this reaction was given, and the structure of 3 unexpected products 6,7,8 obtained in this reaction was determined.
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