N-[(S)-2-Amino-2-(4-chloro-3-trifluoromethyl-phenyl)-ethyl]-N-methyl-4-nitro-benzenesulfonamide hydrochloride → 4-[(S)-1-(4-Chloro-3-trifluoromethyl-phenyl)-2-methylamino-ethylamino]-pyrido[3,4-d]pyrimidine-8-carboxylic acid amide

Participants

Reaction Steps

Compound 42 was prepared following general synthesis scheme 8 wherein a mixture of 4-Hydroxy-pyrido[3,2-d]pyrimidine-8-carboxylamide (G) and 4-Hydroxy-pyrido[3,4-d]pyrimidine-8-carboxylamide (H) was reacted with N—[(S)-2-Amino-2-(4-chloro-3-trifluoromethyl-phenyl)-ethyl]-N-methyl-4-nitro-benzenesulfonamide hydrochloride. LC/MS [425 (M+H)]; 1H NMR (500 MHz, DMSO-d6) δ 9.92 (s, 1H), 9.28 (s, 1H), 9.00 (d, J=4.5 Hz, 1H), 8.55 (s, 1H), 8.38 (d, J=4.5 Hz, 1H), 8.17 (s, 1H), 8.00 (s, 1H), 7.77 (d, J=7.4 Hz, 1H), 7.67 (d, J=8.4 Hz, 1H), 5.64-5.44 (m, 1H), 3.20-3.09 (m, 1H), 3.04-2.88 (m, 1H), 2.30 (s, 3H).

Provenance & Evidence