Tetrafluoro-m-phenylenediamine dihydrochloride → 1-(9-Methyl-2,3,4,9-tetrahydro-1h-pyrido[3,4-b]indol-7-yl)-4-(pyridin-2-ylmethoxy)pyridin-2(1h)-one dihydrochloride
Reaction equation
[CH3:1][N:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([N:11]3[CH:16]=[CH:15][C:14]([O:17][CH2:18][C:19]4[CH:24]=[CH:23][CH:22]=[CH:21][N:20]=4)=[CH:13][C:12]3=[O:25])[CH:9]=2)[C:4]2[CH2:26][CH2:27][N:28](C(OC(C)(C)C)=O)[CH2:29][C:3]1=2.C1(N)C(F)=C(F)C(F)=C(N)C=1F.[ClH:49].Cl>>[ClH:49].[ClH:49].[CH3:1][N:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([N:11]3[CH:16]=[CH:15][C:14]([O:17][CH2:18][C:19]4[CH:24]=[CH:23][CH:22]=[CH:21][N:20]=4)=[CH:13][C:12]3=[O:25])[CH:9]=2)[C:4]2[CH2:26][CH2:27][NH:28][CH2:29][C:3]1=2Participants
Reactant 2
Product 1
Procedure
tert-Butyl 9-methyl-7-(2-oxo-4-(pyridin-2-ylmethoxy)pyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate (167 mg, 0.34 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 (124 mg, 79%) as a yellow solid: mp 226-231° C.; 1H NMR (500 MHz, CD3OD) δ 8.89 (d, J=5.4 Hz, 1H), 8.61 (overlapping ddd, J=8.0, 1.6 Hz, 1H), 8.16 (d, J=8.0 Hz, 1H), 8.02 (overlapping dd, J=6.6 Hz, 1H), 7.70 (d, J=7.6 Hz, 1H), 7.63 (d, J=8.4 Hz, 1H), 7.47 (d, J=1.6 Hz, 1H), 7.06 (dd, J=8.4, 1.8 Hz, 1H), 6.44 (dd, J=7.6, 2.7 Hz, 1H), 6.21 (d, J=2.6 Hz, 1H), 5.57 (s, 2H), 4.56 (s, 2H), 3.73 (s, 3H), 3.60 (t, J=6.0, 2H), 3.13 (t, J=6.0, 2H); ESI MS m/z 387 [M+H]+; HPLC (Method B) 98.6% (AUC), tR=9.2 min.
Sources & evidence
- ORD record
- ord-c83902c715144c949c3a53005c1c2e4f
- Source dataset
- uspto-grants-2016_03
- Patent number
- US09296743B2
Reaction notes
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