C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/310.5
C07D 277/46 (2006.01)
Patent
CA 1048036
A B S T R A C T The process for the production of [2-acetoacetylaminothiazolyl- (4)-] acetic acid ethyl ester. The process involves reacting [2-aminothia- zolyl-(4)-] acetic acid ethyl ester with diketene in an organic solvent in the presence of 5 to 15 percent of glacial acetic acid, based on the amount of the solvent, at a temperature between 30° and 80°C.
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