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

Participants

Reaction Steps

Compound 61 was prepared following general synthesis scheme 7 wherein 4-hydroxypyrido[3,2-d]pyrimidine-8-carboxamide (G) was reacted with N—[(S)-2-Amino-2-(3-chloro-4-fluoro-phenyl)-ethyl]-N-ethyl-4-nitro-benzenesulfonamide hydrochloride to give the title compound as a white solid. LC/MS [390 (M+H)]; 1H NMR (400 MHz, DMSO-d6) δ 9.94 (s, 1H), 9.16 (s, 1H), 9.00 (d, 1H), 8.56 (s, 1H), 8.38 (d, 1H), 8.17 (s, 1H), 7.71 (dd, 1H), 7.52-7.43 (m, 1H), 7.35 (t, 1H), 5.44 (s, 1H), 3.16 (dd, 1H), 2.96 (dd, 1H), 2.57 (dt, 2H), 0.98 (t, 3H).

Provenance & Evidence