4-(Pyridin-2-ylmethoxy)pyridin-2(1H)-one → tert-Butyl 5-methyl-7-(2-oxo-4-(pyridin-2-ylmethoxy)pyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate

HRID 1020591Notes

Reaction equation

HRID 1020591 reaction equation
[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[CH2:7][O:8][C:9]1[CH:14]=[CH:13][NH:12][C:11](=[O:15])[CH:10]=1.Br[C:17]1[CH:18]=[CH:19][C:20]2[C:21]3[CH2:30][N:29]([C:31]([O:33][C:34]([CH3:37])([CH3:36])[CH3:35])=[O:32])[CH2:28][CH2:27][C:22]=3[N:23]([CH3:26])[C:24]=2[CH:25]=1>>[CH3:26][N:23]1[C:24]2[CH:25]=[C:17]([N:12]3[CH:13]=[CH:14][C:9]([O:8][CH2:7][C:2]4[CH:3]=[CH:4][CH:5]=[CH:6][N:1]=4)=[CH:10][C:11]3=[O:15])[CH:18]=[CH:19][C:20]=2[C:21]2[CH2:30][N:29]([C:31]([O:33][C:34]([CH3:37])([CH3:36])[CH3:35])=[O:32])[CH2:28][CH2:27][C:22]1=2

Participants

3

Reactant 2

HCID 579502834-(Pyridin-2-ylmethoxy)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 70584723tert-Butyl 5-methyl-7-(2-oxo-4-(pyridin-2-ylmethoxy)pyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylateYield 43%

Procedure

4-(Pyridin-2-ylmethoxy)pyridin-2(1H)-one (110 mg, 0.54 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 (113 mg, 43%) as a yellow oil: 1H NMR (300 MHz, CDCl3) δ 8.63 (ddd, J=4.9, 1.6, 0.9 Hz, 1H), 7.75 (overlapping ddd, J=7.6, 1.8 Hz, 1H), 7.49 (t, J=7.3 Hz, 2H), 7.33 (d, J=7.5 Hz, 1H), 7.29 (d, J=1.4 Hz, 1H), 7.26 (m overlapping with solvent, 1H), 7.01 (d, J=7.9 Hz, 1H), 6.12-6.07 (m, 2H), 5.19 (s, 2H), 4.64 (s, 2H), 3.84 (t, J=5.4 Hz, 2H), 3.62 (s, 3H), 2.82 (t, J=5.4 Hz, 2H), 1.52 (s, 9H).

Sources & evidence

ORD record
ord-c6411275f0ab4b43a83eabe624fe19a5
Source dataset
uspto-grants-2014_05
Patent number
US08716308B2

Reaction notes

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