4-Hydrazinylbenzenesulfonamide hydrochloride → HCID 23285380, compound

Participants

Reaction Steps

The procedure of Example 9 was repeated using 1-(7-chlorobenzothiazol-2-yl)-4,4-difluorobutane-1,3-dione and 4-sulfamoylphenylhydrazine hydrochloride as the starting materials to obtain 4-[5-(7-chlorobenzothiazol-2-yl)-3-difluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide. NMR(DMSO-d6) δ: 7.24 (1H, t, J=54.1 Hz), 7.56-7.68 (5H, m), 7.80 (2H, d, J=8.6 Hz), 7.91-7.97 (3H, m); mp 238-239° C. (ethanol)

Provenance & Evidence