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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1853850Generated: October 31, 2026

N-bromobutanimide → (R)-tert-butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate

https://huagongshe.com/reaction/1853850

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-bromobutanimideHCID 67184—
Reactant(R)-tert-Butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamateHCID 86689443—
Product(R)-tert-butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamateHCID 6745125461%

Reaction Steps

Following General Procedure I, (R)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (400 mg, 0.86 mmol) was reacted with NBS (184 mg, 1.03 mmol) to afford the desired product (285 mg, 61%) as a yellow solid: ESI MS m/z 543 [C26H30BrN2O4S+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08962648B2
Source datasetuspto-grants-2015_02
ORD IDord-dc843f561ee84402b414d7e2c0e29dc9
Source noteuspto-grants-2015_02