3-Bromo-4-chlorothiophene synthesis

2synthesis methods

2873-18-9 Synthesis

32431-93-9 Synthesis

Yield:36155-88-1 2.5% ，32431-93-9 82% ，32431-92-8 0.5%

Reaction Conditions:

zeolithe at 190; for 7 h;Product distribution;other temp.;

References:

Dettmeier, Udo;Eichler, Klaus;Kuehlein, Klaus;Leupold, Ernst Ingo;Litterer, Heinz [Angewandte Chemie,1987,vol. 99,# 5,p. 470 - 471]

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