Phenyl isocyanate → HCID 22101199, compound

Participants

Reaction Steps

To a solution of 5-amino-4-ethoxycarbonyl-1-methylpyrazole (0.845 g) in benzene (50 ml), were added phenyl isocyanate (0.543 ml) and triethylamine (0.70 ml), and the mixture was refluxed in a sealed tube for 3 h. The reaction mixture was evaporated under reduced pressure followed by repeated addition of ether, and the title compound was obtained as crystals (0.36 g, yield 25%).

Provenance & Evidence