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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2266843Generated: October 31, 2026

Benzenesulfonamide → HCID 18444610, compound

https://huagongshe.com/reaction/2266843

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenesulfonamideHCID 7370—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantHCID 18444542HCID 18444542—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventAcetonitrileHCID 6342—
SolventTetrahydrofuranHCID 8028—
ProductHCID 18444610HCID 1844461034.8%

Reaction Steps

A stirred solution of 4-(2′,4′-dimethoxy-biphenyl-4-yloxymethyl)-5-methyl-furan-2-carboxylic acid (140) (50 mg, 0.136 mmoles), benzenesulphonamide (32 mg, 0.204 mmoles) and 4-(N,N-dimethylamino)-pyridine (5 mg) in a mixture of tetrahydrofuran (8 ml) and acetonitrile (2 ml) was treated with 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (32 mg, 0.163 mmoles). The mixture was stirred at room temperature for 16 hours under an argon atmosphere. The reaction mixture was concentrated in vacuo and the residue was purified by HPLC to afford compound 141 (24 mg) as a white solid. LC/MS System C; Rt=8.99 mins, m/z (ES−)=506 (M−H for C27H25NO7S).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07858644B2
Source datasetuspto-grants-2010_12
ORD IDord-9981a4bb2a5d4267a2a7b4c92ce28937
Source noteuspto-grants-2010_12