(3-Chlorophenyl)hydrazine → HCID 22147902, compound

Participants

Reaction Steps

5-(4-Chloro-phenyl)-1-(3-chloro-phenyl)-3-(3-chloro-thiophen-2-yl)-4,5-dihydro-1H-pyrazole: The title compound was prepared from 3-(4-chloro-phenyl)-1-(3-chloro-thiophen-2-yl)-propenone and 3-chloro-phenylhydrazine by a procedure similar to that of Example 105a as a yellowish solid (93.8 mg, 43%). 1H NMR (CDCl3): 7.29 (m, 7H), 6.92 (m, 3H), 5.25 (m, 1H), 4.08 (m, 1H), 3.83 (m, 1H).

Provenance & Evidence