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

HRID 2365400Notes

Reaction equation

HRID 2365400 reaction equation
Br[C:2]1[CH:3]=[CH:4][C:5]2[C:6]3[CH2:15][N:14]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:13][CH2:12][C:7]=3[N:8]([CH3:11])[C:9]=2[CH:10]=1.[N:23]1[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=1[CH2:29][CH2:30][N:31]1[CH2:36][CH2:35][NH:34][C:33](=[O:37])[CH2:32]1>>[CH3:11][N:8]1[C:9]2[CH:10]=[C:2]([N:34]3[CH2:35][CH2:36][N:31]([CH2:30][CH2:29][C:24]4[CH:25]=[CH:26][CH:27]=[CH:28][N:23]=4)[CH2:32][C:33]3=[O:37])[CH:3]=[CH:4][C:5]=2[C:6]2[CH2:15][N:14]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:13][CH2:12][C:7]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 580934314-(2-(Pyridin-2-yl)ethyl)piperazin-2-one

Product 1

HCID 67986819tert-Butyl 5-methyl-7-(2-oxo-4-(2-(pyridin-2-yl)ethyl)piperazin-1-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylateYield 56.4%

Procedure

tert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate (280 mg, 0.761 mmol) and 4-(2-(pyridin-2-yl)ethyl)piperazin-2-one (156 mg, 0.760 mmol) were reacted according to Example 2 (step f) to provide the title compound (210 mg, 56%) as a yellow oil: ESI MS m/z 490 [M+H]+.

Sources & evidence

ORD record
ord-7557accbdd5a4ca1be3b79d20a9ca9ae
Source dataset
uspto-grants-2014_04
Patent number
US08697700B2

Reaction notes

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