2-Hydrazinyl-4-(trifluoromethyl)pyridine → 4-Pyridin-3-yl-2-[4-(trifluoromethyl)pyridin-2-yl]-1,2-dihydro-3H-pyrazol-3-one

Participants

Reaction Steps

The compound is prepared analogously to Example 2 from 18 mg (0.09 mmol) of the compound from Example 2A and 18 mg (0.10 mmol) 2-hydrazino-4-(trifluoromethyl)pyridine [R. A. Evans, C. Wentrup, J. Chem. Soc. Chem. Commun. 15, 1062-1064 (1992)]. 11.7 mg (41% of th.) of the title compound are obtained as a yellow solid.

Provenance & Evidence