Methyl 5-aminobenzofuran-2-carboxylate → N4-(3,4-dichlorophenyl)-5-fluoro-N2-(2-methoxycarbonylbenzofuran-5-yl)-2,4-pyrimidinediamine

HRID 734048Notes

Reaction equation

HRID 734048 reaction equation
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]2[O:9][C:8]([C:10]([O:12][CH3:13])=[O:11])=[CH:7][C:6]=2[CH:14]=1.Cl[C:16]1[N:21]=[C:20]([NH:22][C:23]2[CH:28]=[CH:27][C:26]([Cl:29])=[C:25]([Cl:30])[CH:24]=2)[C:19]([F:31])=[CH:18][N:17]=1>>[Cl:30][C:25]1[CH:24]=[C:23]([NH:22][C:20]2[C:19]([F:31])=[CH:18][N:17]=[C:16]([NH:1][C:2]3[CH:3]=[CH:4][C:5]4[O:9][C:8]([C:10]([O:12][CH3:13])=[O:11])=[CH:7][C:6]=4[CH:14]=3)[N:21]=2)[CH:28]=[CH:27][C:26]=1[Cl:29]

Participants

3

Reactant 2

HCID 10845388Methyl 5-aminobenzofuran-2-carboxylateHCID 22060411(2-Chloro-5-fluoropyrimidin-4-yl)-(3,4-dichlorophenyl)amine

Product 1

HCID 22060299N4-(3,4-dichlorophenyl)-5-fluoro-N2-(2-methoxycarbonylbenzofuran-5-yl)-2,4-pyrimidinediamine

Procedure

In like manner to the preparation of N4-(3-chloro-4-trifluoromethoxyphenyl)-5-fluoro-N2-(3-hydroxyphenyl)-2,4-pyrimidineamine, the reaction of 5-amino-2-methoxycarbonylbenzofuran with 2-chloro-N4-(3,4-dichlorophenyl)-5-fluoro-4-pyrimidineamine gave N4-(3,4-dichlorophenyl)-5-fluoro-N2-(2-methoxycarbonylbenzofuran-5-yl)-2,4-pyrimidinediamine. 1H NMR (DMSO-d6): δ 9.70 (bs, 1H), 9.50 (bs, 1H), 8.20 (d, 1H, J=4.5 Hz), 8.09 (m, 1H), 7.80 (m, 3H), 7.62 (m, 2H), 7.53 (m, 1H), 7.38 (m, 1H), 3.88 (s, 3H); LCMS: purity: 94%; MS (m/e): 448 (MH+).

Workup

  1. customIn like manner to the preparation of N4-(3-chloro-4-trifluoromethoxyphenyl)-5-fluoro-N2-(3-hydroxyphenyl)-2,4-pyrimidineamine

Sources & evidence

ORD record
ord-c664547c510544b2a2d1d0e9db81f98b
Source dataset
uspto-grants-2009_09
Patent number
US07589200B2

Reaction notes

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