HCID 23036562, compound → HCID 23036549, compound

Participants

Reaction Steps

A solution of 3-(4-chlorophenyl)-1-(2,6-dichloro-4-nitrophenyl)-pyrazole (0.69 g, 1.87 mmol), prepared following the procedure of Example 9, in THF/ethanol (1:4; 35 ml) is treated with platinum dioxide (43 mg) and stirred under H2 at atmospheric pressure for 2 hours. The reaction mixture is filtered and concentrated to give 3,5-dichloro-4-[3-(4-chlorophenyl)-1-pyrazolyl]aniline.

Provenance & Evidence