Thermal condensation of 3-trifluoromethyl and 3-amino-1-phenyl-2-pyrazolin-5-ones with aromatic aldehydes. Synthesis of 4-arylidene-pyrazolones and pyrazolopyranopyrazoles
Thermal condensation of 3-trifluoromethyl and 3-amino-1-phenyl-2-pyrazolin-5-ones with aromatic aldehydes. Synthesis of 4-arylidene-pyrazolones and pyrazolopyranopyrazoles