Trifluoroacetic acid → HCID 57843339, compound

Participants

Reaction Steps

To a solution of 1,1-dimethylethyl 4-(7-{6-chloro-5-[(phenylsulfonyl)amino]-3-pyridinyl}-2-quinoxalinyl)-1-piperazinecarboxylate (0.83 mmol) in acetonitrile (6 ml) was added concentrated trifluoroacetic acid (3 ml). The reaction stirred at ambient temperature for 3 hours and was then concentrated to an orange oil. The residue was neutralized with saturated sodium bicarbonate solution upon which a precipitate was formed. The product was filtered and dried to give the title compound (260 mg, 65%) as an off-white solid. MS(ES)+ m/e 481.2 [M+H]+.

Provenance & Evidence