N-bromobutanimide → tert-Butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

HRID 1853814Notes

Reaction equation

HRID 1853814 reaction equation
[CH3:1][O:2][C:3]1[CH:12]=[CH:11][C:10]2[NH:9][C:8](=[O:13])[C:7]3[S:14][CH:15]=[CH:16][C:6]=3[C:5]=2[C:4]=1[C:17]1[CH:22]=[CH:21][C:20]([CH:23]([NH:25][C:26](=[O:32])[O:27][C:28]([CH3:31])([CH3:30])[CH3:29])[CH3:24])=[CH:19][CH:18]=1.[Br:33]N1C(=O)CCC1=O>CN(C=O)C>[Br:33][C:11]1[C:10]2[NH:9][C:8](=[O:13])[C:7]3[S:14][CH:15]=[CH:16][C:6]=3[C:5]=2[C:4]([C:17]2[CH:22]=[CH:21][C:20]([CH:23]([NH:25][C:26](=[O:32])[O:27][C:28]([CH3:31])([CH3:30])[CH3:29])[CH3:24])=[CH:19][CH:18]=2)=[C:3]([O:2][CH3:1])[CH:12]=1

Participants

4

Reactant 2

HCID 67184N-bromobutanimideHCID 67458078tert-Butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

Product 1

HCID 86689504tert-Butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamateYield 30%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Following General Procedure I, tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (1.0 g, 2.2 mmol) was reacted with N-bromosuccinimide (0.45 g, 2.5 mmol) in DMF (10 mL) to afford the desired product (0.35 g, 29%) as a brown solid: ESI MS m/z 529 [C25H25BrN2O4S+H]+.

Sources & evidence

ORD record
ord-9b5b36b08a8b4eb5813cbac1a8fedf47
Source dataset
uspto-grants-2015_02
Patent number
US08962648B2

Reaction notes

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