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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1853746Generated: October 31, 2026

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

https://huagongshe.com/reaction/1853746

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-bromobutanimideHCID 67184—
Reactant(R)-tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamateHCID 67448651—
Product(R)-tert-Butyl 2-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamateHCID 8668948428.3%

Reaction Steps

Following General Procedure I, (R)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (220 mg, 0.39 mmol) was reacted with NBS (90 mg, 0.51 mmol) to afford the desired product (60 mg, 28%) as a reddish oil: ESI MS m/z 543 [C26H27BrN2O4S+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08962648B2
Source datasetuspto-grants-2015_02
ORD IDord-b7134f28927f4ba8987545f424a23466
Source noteuspto-grants-2015_02