Tin tetrachloride → HCID 178434205, compound

Participants

Reaction Steps

The preparation took place in analogy to example 33 (B) using 233 mg of 2,4-difluoro-N-(3-methyl-5-phenyl-1H-pyrazol-4-yl)-benzamide, except the reaction mixture was heated for 4 h after addition of SnCl4, and addition of water gave a tan precipitate. This material was triturated with hot methanol to give a solid that was further triturated with dichloromethane and methanol to give the title compound as a white solid.

Provenance & Evidence