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4,4,4-Trifluoro-1-(2-bromophenyl)-1,3-butanedione synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

Stage #1: ethyl trifluoroacetate,with potassium tert-butylate in diethyl ether at 20; for 0.75 h;Claisen condensation;
Stage #2: 2-Bromoacetophenone in diethyl ether;Claisen condensation;

References:

Ye, Wei-Ping;Shi, Xin-Cui;Li, Bai-Xiang;Liu, Jing-Yu;Li, Yue-Sheng;Cheng, Yan-Xiang;Hu, Ning-Hai [Dalton Transactions,2010,vol. 39,# 38,p. 9000 - 9007] Location in patent:experimental part