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

Participants

Reaction Steps

Compound 28 was prepared following general synthesis scheme 8 wherein 4-hydroxypyrido[3,2-d]pyrimidine-8-carboxamide (G) was reacted with N—[(S)-2-Amino-2-(3-bromo-4-fluoro-phenyl)-ethyl]-N-methyl-4-nitro-benzenesulfonamide hydrochloride to give the title compound as a beige solid. LC/MS [419 (M+H)]; 1H NMR (400 MHz, DMSO-d6) δ 9.90 (s, 1H), 9.40 (d, 1H), 9.02 (dd, 1.9 Hz, 1H), 8.60 (d, 1H), 8.40 (dd, 1H), 8.19 (s, 1H), 8.04-7.76 (m, 1H), 7.55 (ddd, 4.7, 2.1 Hz, 1H), 7.36 (td, 1H), 5.88-5.57 (m, 1H), 3.48 (t, 1H), 3.21 (dd, 1H), 2.54 (d, 1H), 2.50 (s, 3H).

Provenance & Evidence