Ammonia → Methyl 4-carbamoyl-2-methoxybenzoate

Participants

Reaction Steps

The title compound was prepared according to the procedure described in step-2 of Intermediate-26 by using 3-methoxy-4-(methoxycarbonyl)benzoic acid (2.00 g, 9.52 mmol), oxalyl chloride (1.02 g, 11.42 mmol), ammonia gas and THF (25 mL) to afford 1.40 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 3.79 (s, 3H), 3.87 (s, 3H), 7.49 (d, J=8.4 Hz, 1H), 7.57 (s, 2H), 7.68 (d, J=7.8 Hz, 1H), 8.14 (s, 1H); MS (m/z): 209.99 (M)+.

Provenance & Evidence