tert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate → HCID 57950288, compound

HRID 930728Notes

Reaction equation

HRID 930728 reaction equation
[CH3:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[CH:13]=[CH:12][NH:11][C:10](=[O:14])[CH:9]=2)=[N:6][CH:7]=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:4]=[CH:3][C:2]([CH3:1])=[CH:7][N:6]=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 57950375tert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylateHCID 57950417HCID 57950417, compound

Product 1

HCID 57950288HCID 57950288, compoundYield 64.7%

Procedure

4-(5-Methylpyridin-2-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 (245 mg, 64%) as a yellow/green solid: 1H NMR (300 MHz, CDCl3) δ 8.57 (d, J=2.0 Hz, 1H), 7.71 (d, J=8.0 Hz, 1H), 7.64-7.60 (m, 1H), 7.55-7.51 (m, 2H), 7.37 (d, J=1.6 Hz, 1H), 7.17 (d, J=1.6 Hz, 1H), 7.10-7.03 (m, 2H), 4.66 (br m, 2H), 3.85 (br m, 2H), 3.65 (s, 3H), 2.84 (br m, 2H), 2.42 (s, 3H), 1.51 (s, 9H).

Sources & evidence

ORD record
ord-3c32283fb91c4ea7898896d7b740a9b9
Source dataset
uspto-grants-2016_03
Patent number
US09296743B2

Reaction notes

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