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用手性α 氨基醇和原氯乙酸三乙酯作用得到的手性唑啉 2a～ 2c和 1,7 二氮 12 冠 4反应 ,合成了带手性侧链的1,7 二氮 12 冠 4衍生物 1a～ 1c ,并将其铜配合物运用于重氮醋酸酯对烯烃的不对称环丙烷化反应
The chiral 2-oxazoline 2a ~ 2c and 1,7-diazoxide 12 were reacted with the chiral α-amino alcohol and triethyl ortho-chloroacetate to synthesize the 1,7-diazoxide 12 crown 4 Derivatives 1a ~ 1c, and their copper complexes were applied to asymmetric cyclopropanation of diazoacetate to olefins