Tetrafluoro-m-phenylenediamine dihydrochloride → 1-(5-Methyl-2,3,4,5-tetrahydro-1h-pyrido[4,3-b]indol-7-yl)-4-(6-(trifluoromethyl)pyridin-3-yl)pyridin-2(1h)-one dihydrochloride

HRID 930699Notes

Reaction equation

HRID 930699 reaction equation
[CH3:1][N:2]1[C:10]2[CH:9]=[C:8]([N:11]3[CH:16]=[CH:15][C:14]([C:17]4[CH:18]=[N:19][C:20]([C:23]([F:26])([F:25])[F:24])=[CH:21][CH:22]=4)=[CH:13][C:12]3=[O:27])[CH:7]=[CH:6][C:5]=2[C:4]2[CH2:28][N:29](C(OC(C)(C)C)=O)[CH2:30][CH2:31][C:3]1=2.C1(N)C(F)=C(F)C(F)=C(N)C=1F.[ClH:51].Cl>>[ClH:51].[ClH:51].[CH3:1][N:2]1[C:10]2[CH:9]=[C:8]([N:11]3[CH:16]=[CH:15][C:14]([C:17]4[CH:18]=[N:19][C:20]([C:23]([F:24])([F:25])[F:26])=[CH:21][CH:22]=4)=[CH:13][C:12]3=[O:27])[CH:7]=[CH:6][C:5]=2[C:4]2[CH2:28][NH:29][CH2:30][CH2:31][C:3]1=2

Participants

3

Procedure

tert-Butyl 5-methyl-7-(2-oxo-4-(6-(trifluoromethyl)pyridin-3-yl)pyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate (165 mg, 0.315 mmol) was deprotected and converted to the dihydrochloride salt according to the procedure of Example 30 (steps e and g) to provide the title compound (40 mg, 26%) as a yellow solid 1H NMR (300 MHz, CD3OD) δ 9.10 (d, J=2.0 Hz, 1H), 8.41 (dd, J=8.2, 1.7 Hz, 1H), 7.98 (d, J=8.2 Hz, 1H), 7.85 (d, J=7.2 Hz, 1H), 7.61 (d, J=8.2 Hz, 1H), 7.57 (d, J=1.6 Hz, 1H), 7.14 (dd, J=8.3, 1.9 Hz, 1H), 7.02 (d, J=1.6 Hz, 1H), 6.89 (dd, J=7.1, 2.0 Hz, 1H), 4.49 (s, 2H), 3.76 (s, 3H), 3.68 (t, J=6.2 Hz, 2H), 3.22 (t, J=6.2 Hz, 2H); ESI MS m/z 425 [M+H]+; HPLC (Method B)>99% (AUC), tR=12.3 min.

Sources & evidence

ORD record
ord-4f6a72bc8e754e64a0f60b2e3efc4d8b
Source dataset
uspto-grants-2016_03
Patent number
US09296743B2

Reaction notes

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