Acetic Acid → (Z)-methyl 4-(2-oxo-2,3-dihydro-1H-thieno[2,3-e][1,4]diazepin-5-yl)benzoate

Participants

Reaction Conditions

Reaction Steps

In a 75 mL pressure flask was suspended compound 492 (0.265 g, 0.832 mmol) and acetic acid (0.071 mL, 1.249 mmol) in methanol (20 mL) to give a yellow suspension. The reaction mixture was heated at 100° C. overnight. The solvent was removed to afford title compound 493 (250 mg, 100%) as a tan powder. MS (m/z): 301.3 (M+H).

Provenance & Evidence