Formic Acid → HCID 86584944, compound

Participants

Reaction Steps

To a solution of 5-methyl-thiophene-2-carboxylic acid (4-methoxy-7-piperazin-1-yl-benzothiazol-2-yl)-amide (100 mg, 0.26 mmol) in methanol (8 ml) were added formic acid (100 μl, 2.6 mmol) and formaldehyde (23 μl, 0.31 mmol) and the mixture refluxed for 18 h. Workup and purification as described for 5-methyl-thiophene-2-carboxylic acid (4-methoxy-7-piperazin-1-yl-benzothiazol-2-yl)-amide afforded the product as light yellow powder (34%), MS: m/e=403(M+H+).

Provenance & Evidence