Improved preparation of (3.beta.,5.alpha.,14.alpha.)-3-hydroxy-14-methylcholest-7-en-15-one. Synthesis of ergostenone and 20.alpha.-(hydroxymethyl)pregnenone analogs
Improved preparation of (3.beta.,5.alpha.,14.alpha.)-3-hydroxy-14-methylcholest-7-en-15-one. Synthesis of ergostenone and 20.alpha.-(hydroxymethyl)pregnenone analogs