4-Benzyloxy-2(1H)-pyridone → tert-Butyl 7-(4-(benzyloxy)-2-oxopyridin-1(2H)-yl)-9-methyl-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate

HRID 930657Notes

Reaction equation

HRID 930657 reaction equation
[CH2:1]([O:8][C:9]1[CH:14]=[CH:13][NH:12][C:11](=[O:15])[CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Br[C:17]1[CH:25]=[C:24]2[C:20]([C:21]3[CH2:30][CH2:29][N:28]([C:31]([O:33][C:34]([CH3:37])([CH3:36])[CH3:35])=[O:32])[CH2:27][C:22]=3[N:23]2[CH3:26])=[CH:19][CH:18]=1>>[CH2:1]([O:8][C:9]1[CH:14]=[CH:13][N:12]([C:17]2[CH:25]=[C:24]3[C:20]([C:21]4[CH2:30][CH2:29][N:28]([C:31]([O:33][C:34]([CH3:37])([CH3:36])[CH3:35])=[O:32])[CH2:27][C:22]=4[N:23]3[CH3:26])=[CH:19][CH:18]=2)[C:11](=[O:15])[CH:10]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1

Participants

3

Reactant 2

HCID 36077244-Benzyloxy-2(1H)-pyridoneHCID 57950468tert-butyl 7-bromo-9-methyl-1,3,4,9-tetrahydro-2H-pyrido[3,4-b]indole-2-carboxylate

Product 1

HCID 57950348tert-Butyl 7-(4-(benzyloxy)-2-oxopyridin-1(2H)-yl)-9-methyl-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylateYield 626.8%

Procedure

4-(Benzyloxy)pyridin-2(1H)-one (580 mg, 0.28 mmol) and tert-butyl 7-bromo-9-methyl-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate (850 mg, 0.23 mmol) were reacted following the procedure of Example 30 (step g) to provide the title compound (700 mg, 62%) as a green solid: 1H NMR (500 MHz, CDCl3) δ 7.52 (d, J=8.2 Hz, 1H), 7.44-7.39 (m, 4H), 7.38-7.35 (m, 1H), 7.31-7.28 (m, 2H), 7.01 (dd, J=8.3, 1.8 Hz, 1H), 6.09 (d, J=2.6 Hz, 1H), 6.04 (dd, J=7.6, 2.6 Hz, 1H), 5.05 (s, 2H), 4.64 (br m, 2H), 3.74 (br m, 2H), 3.62 (s, 3H), 2.79 (br m, 2H), 1.47 (s, 9H).

Sources & evidence

ORD record
ord-924d5fbff3ba417b8bbe2a7354dda89b
Source dataset
uspto-grants-2016_03
Patent number
US09296743B2

Reaction notes

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