9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one → tert-Butyl(1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclobutyl)methylcarbamate

HRID 1853675Notes

Reaction equation

HRID 1853675 reaction equation
Br[C:2]1[C:3]2[C:4]3[CH:17]=[CH:16][S:15][C:5]=3[C:6](=[O:14])[NH:7][C:8]=2[CH:9]=[CH:10][C:11]=1[O:12][CH3:13].CC1(C)C(C)(C)OB([C:26]2[CH:31]=[CH:30][C:29]([C:32]3([CH2:36][NH:37][C:38](=[O:44])[O:39][C:40]([CH3:43])([CH3:42])[CH3:41])[CH2:35][CH2:34][CH2:33]3)=[CH:28][CH:27]=2)O1>>[C:40]([O:39][C:38](=[O:44])[NH:37][CH2:36][C:32]1([C:29]2[CH:28]=[CH:27][C:26]([C:2]3[C:3]4[C:4]5[CH:17]=[CH:16][S:15][C:5]=5[C:6](=[O:14])[NH:7][C:8]=4[CH:9]=[CH:10][C:11]=3[O:12][CH3:13])=[CH:31][CH:30]=2)[CH2:35][CH2:34][CH2:33]1)([CH3:43])([CH3:41])[CH3:42]

Participants

3

Reactant 2

HCID 674491399-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-oneHCID 86689569Tert-butyl (1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutyl)methylcarbamate

Product 1

HCID 89682149tert-Butyl(1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclobutyl)methylcarbamateYield 51%

Procedure

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.9 g, 6.0 mmol) was reacted with tert-butyl (1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutyl)methylcarbamate (3.5 g, 9.0 mmol) to afford the desired product (1.5 g, 33%) as a light brown solid: ESI MS m/z 491 [C28H30N2O4S+H]+.

Sources & evidence

ORD record
ord-6fe301b4e9f74825af79d0ca365781dc
Source dataset
uspto-grants-2015_02
Patent number
US08962648B2

Reaction notes

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