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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 559603Generated: October 31, 2026

Cesium carbonate → 5-chloro-N-((1-(4-(3-(2-hydroxyethoxy)-2-oxopyridin-1(2H)-yl)phenyl)-1H-imidazol-4-yl)methyl)thiophene-2-carboxamide

https://huagongshe.com/reaction/559603

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant2-BromoethanolHCID 10898—
ReactantHCID 24760094HCID 24760094—
SolventDimethyl SulfoxideHCID 679—
Product5-chloro-N-((1-(4-(3-(2-hydroxyethoxy)-2-oxopyridin-1(2H)-yl)phenyl)-1H-imidazol-4-yl)methyl)thiophene-2-carboxamideHCID 2476023015.2%

Reaction Conditions

Temperature60 °C

Reaction Steps

A mixture of 5-chloro-N-((1-(4-(3-hydroxy-2-oxopyridin-1(2H)-yl)phenyl)-1H-imidazol-4-yl)methyl)thiophene-2-carboxamide (30 mg, 0.070 mmol), 2-bromoethanol (0.020 mL, 0.28 mmol) and Cs2CO3 (90 mg, 0.28 mmol) in DMSO (1 mL) was stirred at 60° C. for 1 h. It was then purified by HPLC to give the titled compound (5 mg). MS 471.0 and 473.0 (M+H, Cl pattern).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08063077B2
Source datasetuspto-grants-2011_11
ORD IDord-016ed312ee664c9e91688447f95e2ccd
Source noteuspto-grants-2011_11