4-(6-Methylpyridin-3-yl)pyridin-2(1H)-one → tert-Butyl 5-methyl-7-(4-(6-methylpyridin-3-yl)-2-oxopyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate

HRID 1020648Notes

Reaction equation

HRID 1020648 reaction equation
[CH3:1][C:2]1[N:7]=[CH:6][C:5]([C:8]2[CH:13]=[CH:12][NH:11][C:10](=[O:14])[CH:9]=2)=[CH:4][CH:3]=1.Br[C:16]1[CH:17]=[CH:18][C:19]2[C:20]3[CH2:29][N:28]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[CH2:27][CH2:26][C:21]=3[N:22]([CH3:25])[C:23]=2[CH:24]=1>>[CH3:25][N:22]1[C:23]2[CH:24]=[C:16]([N:11]3[CH:12]=[CH:13][C:8]([C:5]4[CH:6]=[N:7][C:2]([CH3:1])=[CH:3][CH:4]=4)=[CH:9][C:10]3=[O:14])[CH:17]=[CH:18][C:19]=2[C:20]2[CH2:29][N:28]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[CH2:27][CH2:26][C:21]1=2

Participants

3

Reactant 2

HCID 579502634-(6-Methylpyridin-3-yl)pyridin-2(1H)-oneHCID 57950375tert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate

Product 1

HCID 86635685tert-Butyl 5-methyl-7-(4-(6-methylpyridin-3-yl)-2-oxopyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylateYield 58.1%

Procedure

4-(6-Methylpyridin-3-yl)pyridin-2(1H)-one (150 mg, 0.81 mmol) and tert-butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate (294 mg, 0.805 mmol) were reacted following the procedure of Example 30 (step g) to provide the title compound (220 mg, 58%) as a yellow/green solid: 1H NMR (500 MHz, CDCl3) δ 8.79 (d, J=8.2 Hz, 1H), 7.83 (dd, J=8.1, 2.4 Hz, 1H), 7.56-7.51 (m, 2H), 7.37 (d, J=1.4 Hz, 1H), 7.30 (1H, partially under solvent), 7.08 (d, J=8.7 Hz, 1H), 6.90 (d, J=1.6 Hz, 1H), 6.50 (dd, J=7.1, 1.9 Hz, 1H), 4.66 (br s, 2H), 3.85 (br m, 2H), 3.65 (s, 3H), 2.84 (br m, 2H), 2.64 (s, 3H), 1.51 (s, 9H).

Sources & evidence

ORD record
ord-76de290c40fd4b4d9e469cf0ae2e0c3f
Source dataset
uspto-grants-2014_05
Patent number
US08716308B2

Reaction notes

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