2-(2-氯-1-亚乙基)酰肼甲酸甲酯 、 (5S,6S)-6-(3,5-bis(trifluoromethyl)benzyloxymethyl)-5-phenylpiperazin-2-one hydrochloride 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
以86%的产率得到Methyl (5S,6S)-N'-{6-{3,5-bis(trifluoromethyl)benzyloxymethyl}-2-oxo-5-phenylpiperazin-4-yl-1-iminoethyl}hydrazinocarboxylate