HCID 68441993, compound → Methyl 2-oxo-2,3-dihydro-1h-pyrido[2,3-b][1,4]thiazine-7-carboxylate

Participants

Reaction Conditions

Reaction Steps

The ester (a) (1.0 g) in acetic acid (50 ml) was treated with iron powder (10 g) and the mixture was stirred and heated at 60° C. for 1 hour, cooled and filtered. The filtrate was evaporated, treated with sodium bicarbonate solution and extracted with warm chloroform. It was dried over sodium sulfate and evaporated to give a white solid (0.85 g).

Provenance & Evidence