反应详情

A mixture of 0.83 g. of 3-aminopyrazole and 2.38 g. of 3-hydroxy-3'-(trifluoromethyl)acrylophenone sodium salt in 25 ml. of glacial acetic acid is refluxed for 15 hours and then concentrated to dryness. The residue is treated as described in Example 1, giving the desired product, m.p. 104°-106° C.

1. additionA mixture of 0.83 g
2. concentrationconcentrated to dryness
3. additionThe residue is treated