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

HRID 59986Notes

Reaction equation

HRID 59986 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:33]1[CH:38]=[CH:37][C:36]([F:39])=[C:35]([Br:40])[CH:34]=1)[CH2:18][N:19]([CH3:32])S(C1C=CC([N+]([O-])=O)=CC=1)(=O)=O>>[Br:40][C:35]1[CH:34]=[C:33]([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][CH3:32])[CH:38]=[CH:37][C:36]=1[F:39]

Participants

3

Reactant 2

HCID 90190648N-[(S)-2-Amino-2-(3-bromo-4-fluoro-phenyl)-ethyl]-N-methyl-4-nitro-benzenesulfonamide hydrochlorideHCID 1785136844-oxo-1H-pyrido[3,2-d]pyrimidine-8-carboxamide

Product 1

HCID 760730304-[(S)-1-(3-Bromo-4-fluoro-phenyl)-2-methylamino-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amide

Procedure

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).

Workup

  1. customCompound 28 was prepared

Sources & evidence

ORD record
ord-ab9650546b924476b66444192ae750b5
Source dataset
uspto-grants-2016_09
Patent number
US09440968B2

Reaction notes

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