HCID 3730890, compound → HCID 86668513, compound

Participants

Reaction Conditions

Reaction Steps

The mixture of methyl 3-(2-chloro-6-fluorophenyl)-5-(1-(dimethylamino)-4,4,4-trifluoro-3-oxobut-1-en-2-yl)isoxazole-4-carboxylate (157 mg, 0.37 mmol) and methyl 3-(4-chlorophenyl)-5-hydrazinoisoxazole-4-carboxylate (0.1 g, 0.37 mmol) in ethanol (1 mL) was heated at 60° C. for 5 h, the solution was evaporated and the product was crystallized from methanol to give 86 mg (37%) of example 131. 1H NMR (DMSO-D6, CCl4): 3.69 (3H, s, OCH3), 3.71 (3H, s, OCH3), 7.35 (1H, dd, CH-arom.), 7.47 (1H, d, CH-arom.), 7.57 (2H, AB-syst., CH-arom.), 7.63 (1H, m, CH-arom.), 7.84 (2H, AB-syst., CH-arom.), 8.74 (1H, s, CH pyrazol.).

Provenance & Evidence