Employing a two round sequence EKR, mono- and bis-acetoxy propargylic products were obtained in a high enantiomeric ratio (E > 200). The efficiently resolved chiral 8b was applied in a concise synthesis of (S)-1b, an optically active natural product produced by fungi Clitocybe catinus.
内部双取代的炔丙基二醇经过CAL-B促进的酶动力学拆分。使用两轮序列EKR,以高对映体比率(E > 200)获得单乙酰基和
双乙酰氧基炔丙基产物。有效拆分手性8b应用于(S)-1b的简明合成中,这是一种由真菌Clitocybe catinus生产的光学活性
天然产物。