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ChemicalBook CAS DataBase List 6-(4-FLUOROPHENYL)-4,5-DIHYDRO-3(2H)-PYRIDAZINONE

6-(4-FLUOROPHENYL)-4,5-DIHYDRO-3(2H)-PYRIDAZINONE synthesis

4synthesis methods
-

Yield:39499-62-2 95%

Reaction Conditions:

with hydrazine hydrate in ethanol at 60;

Steps:

1 6.1.2. General procedures for 2a-k

General procedure: To a stirred solution of the suitable γ-keto acid 1a-k (1.00 mmol) in EtOH (2 mL), hydrazine hydrate (1.00 mmol) was added dropwise. The mixture was heated at 60 °C for 1-3h. After cooling, the precipitate was collected by suction and purified by recrystallization from either toluene or ethanol.

References:

Giovannoni, Maria Paola;Schepetkin, Igor A.;Cilibrizzi, Agostino;Crocetti, Letizia;Khlebnikov, Andrei I.;Dahlgren, Claes;Graziano, Alessia;Dal Piaz, Vittorio;Kirpotina, Liliya N.;Zerbinati, Serena;Vergelli, Claudia;Quinn, Mark T. [European Journal of Medicinal Chemistry,2013,vol. 64,p. 512 - 528]