Ammonia → HCID 67216122, compound

Participants

Reaction Steps

0.16 ml (1.12 mmol) of triethylamine and then 0.49 g (1.12 mmol) of BOP are added to 0.346 g (1.01 mmol) of 3-(3-methoxy-4-nitrobenzoyl)imidazo[1,5-a]pyridine-6-carboxylic acid obtained in example 182 in 10 ml of N,N-dimethylformamide. The reaction medium is stirred at ambient temperature for 30 minutes, then 1.35 ml of a 1N solution of ammonia in tetrahydrofuran are added and the mixture is stirred at ambient temperature for 18 hours. The precipitate formed is filtered off and then washed with water. 0.25 g of a yellow solid is collected. Melting point: 289° C.; 1H NMR (d6-DMSO): 4.02 (3H, s), 7.82 (1H, d), 7.98 (1H, s), 8.06-8.10 (3H, m), 8.15 (1H, s), 10.21 (1H, s)

Provenance & Evidence