N-[(S)-2-Amino-2-(2,4,5-trifluoro-phenyl)-ethyl]-N-ethyl-4-nitro-benzenesulfonamide hydrochloride → 4-[(S)-2-Ethylamino-1-(2,4,5-trifluoro-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amide

HRID 60014Notes

Reaction equation

HRID 60014 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]=[C:38]([F:40])[C:37]([F:41])=[CH:36][C:35]=1[F:42])[CH2:18][N:19]([CH2:32][CH3:33])S(C1C=CC([N+]([O-])=O)=CC=1)(=O)=O>>[CH2:32]([NH:19][CH2:18][C@@H:17]([NH:16][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)[C:34]1[CH:39]=[C:38]([F:40])[C:37]([F:41])=[CH:36][C:35]=1[F:42])[CH3:33]

Participants

3

Reactant 2

HCID 90190055N-[(S)-2-Amino-2-(2,4,5-trifluoro-phenyl)-ethyl]-N-ethyl-4-nitro-benzenesulfonamide hydrochlorideHCID 1785136844-oxo-1H-pyrido[3,2-d]pyrimidine-8-carboxamide

Product 1

HCID 760732244-[(S)-2-Ethylamino-1-(2,4,5-trifluoro-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amide

Procedure

Compound 58 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-(2,4,5-trifluoro-phenyl)-ethyl]-N-ethyl-4-nitro-benzenesulfonamide hydrochloride to give the title compound as a white solid. LC/MS [391 (M+H)]; 1H NMR (400 MHz, DMSO-d6) δ 9.92 (s, 1H), 9.13 (s, 1H), 9.02 (d, 1H), 8.57 (s, 1H), 8.38 (t, 1H), 8.18 (s, 1H), 7.66 (dd, 1H), 7.53 (td, 1H), 5.71 (s, 1H), 3.15 (dd, 1H), 2.95 (dd, 1H), 2.67-2.55 (q, 2H), 0.98 (t, 3H).

Workup

  1. customCompound 58 was prepared

Sources & evidence

ORD record
ord-4eabd967a85241568f5f24388b36ceae
Source dataset
uspto-grants-2016_09
Patent number
US09440968B2

Reaction notes

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