tert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate → HCID 57950426, compound

HRID 930683Notes

Reaction equation

HRID 930683 reaction equation
[Cl: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>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[CH:13]=[CH:12][N:11]([C:16]3[CH:17]=[CH:18][C:19]4[C:20]5[CH2:29][N:28]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[CH2:27][CH2:26][C:21]=5[N:22]([CH3:25])[C:23]=4[CH:24]=3)[C:10](=[O:14])[CH:9]=2)=[N:6][CH:7]=1

Participants

3

Reactant 2

HCID 57950375tert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylateHCID 58092309HCID 58092309, compound

Product 1

HCID 57950426HCID 57950426, compoundYield 30.3%

Procedure

4-(5-Chloropyridin-2-yl)pyridin-2(1H)-one (111 mg, 0.537 mmol) and tert-butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate (200 mg, 0.54 mmol) were reacted following the procedure of Example 30 (step g) to provide the title compound (80 mg, 30%) as a green solid: 1H NMR (500 MHz, CDCl3) δ 8.69 (d, J=2.2 Hz, 1H), 7.79 (dd, J=8.5, 2.4 Hz, 1H), 7.74 (d, J=8.5 Hz, 1H), 7.53 (d, J=7.2 Hz, 2H), 7.36 (d, J=1.5 Hz, 1H), 7.17 (d, J=1.5 Hz, 1H), 7.07 (d, J=7.4 Hz, 1H), 6.98 (dd, J=7.1, 1.8 Hz, 1H), 4.65 (br s, 2H), 3.85 (br s, 2H), 3.65 (s, 3H), 2.83 (br s, 2H), 1.50 (s, 9H).

Sources & evidence

ORD record
ord-dc356633b7764c5587e9e2caa9a660c4
Source dataset
uspto-grants-2016_03
Patent number
US09296743B2

Reaction notes

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