1,1'-Carbonyldiimidazole → 2-(5,6-dimethylpyridin-3-yl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide

Participants

Reaction Steps

The title compound (2.17 g, 7.15 mmol) was prepared from 2-amino-N-(5,6-dimethylpyridin-3-yl)benzenesulfonamide (2.7 g, 13.0 mmol) and 1,1′-carbonyldiimidazole (4.74 g, 29.2 mmol) in 1,2-dichloroethane (25 mL) at 110° C. for 3 h using the methods of (IntA14), step 3.

Provenance & Evidence