2,2,2-Trifluoro-1-(7-methoxy-8-nitro-1,2,4,5-tetrahydro-benzo[d]azepin-3-yl)-ethanone → 1-(7-Amino-8-methoxy-1,2,4,5-tetrahydro-benzo[d]azepin-3-yl)-2,2,2-trifluoro-ethanone

Participants

Reaction Steps

To a solution of 2,2,2-trifluoro-1-(7-methoxy-8-nitro-1,2,4,5-tetrahydro-benzo[d]azepin-3-yl)-ethanone in methanol was added palladium 10% wt on Carbon (50% wet). The mixture was shaken in a Parr apparatus under an atmosphere of Hydrogen (50 PSI) for 30 minutes. Filtration through Celite and evaporation of the solvent provided quantitatively 1-(7-amino-8-methoxy-1,2,4,5-tetrahydro-benzo[d]azepin-3-yl)-2,2,2-trifluoro-ethanone, which was used without further purification. 1H-NMR (CDCl3; amide rotamers observed) δ 6.58 (1H), 6.53 (1H), 3.83 (s, 3H), 3.15-4.25 (br s, 2H), 3.60-3.78 (4H), 2.79-2.92 (4H); LC/MS (ESI+): 288.99 (M+H).

Provenance & Evidence