Potential Intermediates to Vitamin D3 and Steroids: Enantioselective Syntheses of(20R)-and(20S)-De-AB-cholesta-8(14),22-dien-9-one from (S)-and (R)-2,3-O-Isopropylideneglyceraldehyde.
Potential Intermediates to Vitamin D3 and Steroids: Enantioselective Syntheses of(20R)-and(20S)-De-AB-cholesta-8(14),22-dien-9-one from (S)-and (R)-2,3-O-Isopropylideneglyceraldehyde.