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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1853715Generated: November 1, 2026

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

https://huagongshe.com/reaction/1853715

Reaction equation

Participants

RoleNameHCIDCharge
Reactant9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-oneHCID 67449139—
Reactanttert-Butyl (R)-(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)carbamateHCID 67467206—
Product(R)-tert-Butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamateHCID 8668947247%

Reaction Steps

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (3.0 g, 9.7 mmol) was reacted with (R)-tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamate (5.0 g, 14 mmol) to afford the desired product (2.0 g, 47%) as a brown solid: ESI MS m/z 451 [C25H26N2O4S+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08962648B2
Source datasetuspto-grants-2015_02
ORD IDord-d53051f2d0f34dd49dd0fc3d391cae3d
Source noteuspto-grants-2015_02