反应详情

A mixture of 2-methyl-1H-imidazole-4-carboxylic acid (500 mg), N,N-diisopropyl-ethyl-amine (4 mL), and 1,2-difluoro-4-methanesulfonylbenzene (1.2 g), in N,N-dimethylformamide (6 mL) is heated to 120° C. overnight. The crude product is purified by HPLC. LC (method 20): tR=0.90 min; Mass spectrum (APCI): m/z=299 [M+H]+.

1. customThe crude product is purified by HPLC