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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1752927Generated: October 28, 2026

3,4-Diaminobenzimidamide hydrochloride → HCID 178479303, compound

https://huagongshe.com/reaction/1752927

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-Diaminobenzimidamide hydrochlorideHCID 22125532—
ReactantMethyl 3'-tert-butylsulfamoyl-5-formyl-6-(2-methoxyethoxymethoxy)-biphenyl-3-carboxylateHCID 86607699—
ProductHCID 178479303HCID 17847930339%

Reaction Steps

Proceeding as in Reference 23, but substituting 3′-tert-butylsulfamoyl-5-formyl-6-(2-methoxyethoxymethoxy)-biphenyl-3-carboxylic acid methyl ester (1.64 g, 3.42 mmol, 1.0 eq.) and 3,4-diamino-benzamidine hydrochloride (638 mg, 3.42 mmol, 1.0 eq.), gave 5-(5-carbamimidoyl-1H-benzoimidazol-2-yl)-6-hydroxy-3′-sulfamoyl-biphenyl-3-carboxylic acid hydrochloride (650 mg) as a brown solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09162986B2
Source datasetuspto-grants-2015_10
ORD IDord-295373cdf45e447682fa5a3899ee0e60
Source noteuspto-grants-2015_10