Ammonium formate → 4-hydroxy-3-(7-hydroxy-1,1-dioxido-4H-1,2,4-benzothiadiazin-3-yl)-1-(isobutylamino)quinolin-2(1H)-one

Participants

Reaction Steps

The product of Example 321B (0.081 g, 0.16 mmol) in tetrahyrofuran (10 mL) was reacted with a catalytic amount of palladium hydroxide on carbon, a catalytic amount of 5% palladium on carbon, and ammonium formate (0.040 g, 0.64 mmol) at 60° C. for 30 minutes. The warm reaction mixture was filtered through celite® (diatomaceous earth) and the filtrate was evaporated under reduced pressure to give the title compound (0.048 g, 72%).

Provenance & Evidence