Enantiopure α-diazoketones derived from N-Pht amino acids have been converted to threo-α-amino epoxides via HBr treatment followed by a highly syn-selective reduction with LiAlH(OBu-t)3.
衍生自对映体纯α-重
氮酮Ñ -Pht
氨基酸已经被转化为苏经由
溴化氢处理,然后进行高度-α
氨基
环氧化物顺式与的LiAlH(OBu- -选择性还原吨)3。