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METHOD FOR MAKING 3 -HYDROXY, 3 - METHYL-5 -PREGNAN-20-ONE (GANAXOLONE)
METHOD FOR MAKING 3 -HYDROXY, 3 - METHYL-5 -PREGNAN-20-ONE (GANAXOLONE)
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机译:制备3-羟基,3-甲基5-泼尼松20-一(加纳索酮)的方法
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摘要
Applicants have discovered a method for the stereoselective and regioselective synthesis of 3-hydroxy, 3-methyl-5-pregnan-20-one (ganaxolone) comprising reacting 5-pregnane-3,20-dione; with an organometallic methylating agent in an inert solvent to provide a compound of the formula
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