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

HRID 60016Notes

Reaction equation

HRID 60016 reaction equation
O[C:2]1[C:3]2[N:11]=[CH:10][CH:9]=[C:8]([C:12]([NH2:14])=[O:13])[C:4]=2[N:5]=[CH:6][N:7]=1.Cl.[NH2:16][C@@H:17]([C:34]1[CH:39]=[CH:38][C:37]([F:40])=[C:36]([Cl:41])[CH:35]=1)[CH2:18][N:19]([CH2:32][CH3:33])S(C1C=CC([N+]([O-])=O)=CC=1)(=O)=O>>[Cl:41][C:36]1[CH:35]=[C:34]([C@H:17]([NH:16][C:2]2[C:3]3[N:11]=[CH:10][CH:9]=[C:8]([C:12]([NH2:14])=[O:13])[C:4]=3[N:5]=[CH:6][N:7]=2)[CH2:18][NH:19][CH2:32][CH3:33])[CH:39]=[CH:38][C:37]=1[F:40]

Participants

3

Procedure

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).

Workup

  1. customCompound 61 was prepared

Sources & evidence

ORD record
ord-7f5f18d710db4277b6d353a2c3ff775b
Source dataset
uspto-grants-2016_09
Patent number
US09440968B2

Reaction notes

Loading…