3-Dimethylamino-3'-trifluoromethylacrylophenone → 7-[3-(Trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine

Beteiligte Stoffe

Reaktionsschritte

A mixture of 8.31 g. of 3-aminopyrazole, 24.32 g. of 3-dimethylamino-3'-(trifluoromethyl)acrylophenone and 100 ml. of glacial acetic acid is refluxed for 8 hours and evaporated in vacuo to an oil. This oil is treated as described in Example 1, giving the desired product, m.p. 103°-104.5° C.

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