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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1820825Generated: November 2, 2026

Diisopropylethylamine → 3-[4-(4-Cyano-3-fluoro-phenyl)-piperazine-1-carbonyl]-4-(4-methoxy-benzyloxy)-benzenesulfonamide

https://huagongshe.com/reaction/1820825

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant3-Fluoro-4-piperazin-1-yl-benzonitrileHCID 596113—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant2-(4-Methoxy-benzyloxy)-5-sulfamoyl-benzoic acidHCID 69038246—
SolventDimethylformamideHCID 6228—
SolventTetrahydrofuranHCID 8028—
Product3-[4-(4-Cyano-3-fluoro-phenyl)-piperazine-1-carbonyl]-4-(4-methoxy-benzyloxy)-benzenesulfonamideHCID 69039012—

Reaction Steps

To a solution of 3.5 mmol 2-(4-methoxy-benzyloxy)-5-sulfamoyl-benzoic acid in 4 ml dimethylformamide and 12 ml THF were added 5.3 mmol TBTU, 17.5 mmol N-ethyldiisopropylamine and 3.5 mmol 3-fluoro-4-piperazin-1-yl-benzonitrile (WO9625414). The reaction was then stirred at RT for 1 h, concentrated in vacuo, and purified by chromatography on silica gel (eluant: ethyl acetate/heptane gradient) to afford the title compound. MS (m/e): 525.1 (M+H+)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07605163B2
Source datasetuspto-grants-2009_10
ORD IDord-75379286698e4cd2b703d9e6690eeab4
Source noteuspto-grants-2009_10