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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1242220Generated: October 25, 2026

Water → 5-[[(4-Chlorophenyl)sulfonyl][1,2-diphenyl-1H-benzimidazol-5-yl]amino]pentanoic acid methyl ester

https://huagongshe.com/reaction/1242220

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium hydrideHCID 24758—
ReactantMethyl 5-bromovalerateHCID 79557—
Reactant4-Chloro-N-(1,2-diphenyl-1H-benzimidazol-5-yl)benzenesulfonamideHCID 21938028—
SolventDimethylformamideHCID 6228—
Product5-[[(4-Chlorophenyl)sulfonyl][1,2-diphenyl-1H-benzimidazol-5-yl]amino]pentanoic acid methyl esterHCID 67365751—

Reaction Conditions

Temperature20 °C

Reaction Steps

100 mg of 4-chloro-N-(1,2-diphenyl-1H-benzimidazol-5-yl)benzenesulfonamide was suspended in 0.5 ml of N,N-dimethylformamide, mixed with 8 mg of sodium hydride and stirred for 30 minutes at 20° C. 60 mg of 5-bromopentanoic acid methyl ester was added, it was allowed to stir for 15 hours, mixed with water, extracted three times with ethyl acetate, the extracts were dried on sodium sulfate, concentrated by evaporation in a vacuum, and the residue was chromatographed on silica gel.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07115645B2
Source datasetuspto-grants-2006_10
ORD IDord-8670d7cd92894c50ab6f21f0ae08e1b9
Source noteuspto-grants-2006_10