5-acetylpyrrolidin-2-one using an intramolecular Wittig reaction with vinylphosphonium salts. The acetoxy ketone 15, derived from (S)-N-benzyloxycarbonylpyroglutamic acid, affords 16, a known precursor of (−)-supinidine.
描述了一条通往
吡咯嗪的途径 核 来自的导数 5-乙酰基
吡咯烷-2-酮使用分子内Wittig反应与
乙烯基phosph盐。这乙酰氧基酮 15,从(衍生小号) - ñ -benzyloxycarbonylpyroglutamic酸,得到16,已知前体( - ) - supinidine。