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ChemicalBook CAS DataBase List ETHYL (2E)-CHLORO(PHENYLHYDRAZONO)ACETATE

ETHYL (2E)-CHLORO(PHENYLHYDRAZONO)ACETATE synthesis

9synthesis methods
-

Yield:28663-68-5 95%

Reaction Conditions:

Stage #1: aniline;ethyl 2-chloro-3-oxo-butyratewith hydrogenchloride;sodium nitrite in ethanol;water at -5 - 5;
Stage #2: ethyl 2-chloro-3-oxo-butyratewith sodium acetate in ethanol;water at -5; for 4 h;

References:

Yang, Wei;Li, Yingjun;Ai, Yong;Obianom, Obinna N.;Guo, Dong;Yang, Hong;Sakamuru, Srilatha;Xia, Menghang;Shu, Yan;Xue, Fengtian [Journal of Medicinal Chemistry,2019,vol. 62,# 24,p. 11151 - 11164]