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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 50310Generated: October 25, 2026

Carbonochloridic acid, 2-(methylsulfonyl)ethyl ester → ethyl 3-[[1-methyl-2-[[4-[N-(2-methylsulfonylethoxycarbonyl)carbamimidoyl]anilino]methyl]benzimidazole-5-carbonyl]-pyridin-2-ylamino]propanoate

https://huagongshe.com/reaction/50310

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbonochloridic acid, 2-(methylsulfonyl)ethyl esterHCID 104458—
ReactantEthyl 3-(2-(((4-carbamimidoylphenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo(d)imidazole-5-carboxamido)propanoate hydrochlorideHCID 18412337—
SolventDichloromethane methanolHCID 21226129—
Productethyl 3-[[1-methyl-2-[[4-[N-(2-methylsulfonylethoxycarbonyl)carbamimidoyl]anilino]methyl]benzimidazole-5-carbonyl]-pyridin-2-ylamino]propanoateHCID 14040960265%

Reaction Steps

Prepared analogously to Example 90 from 1-methyl-2-[N-(4-amidinophenyl) aminomethyl]-benzimidazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-ethoxycarbonylethyl)amide hydrochloride and 2-(methylsulfonyl)ethyl chloroformate. Yield: 65% of theory, C31H35N7O7S (649.7); Rf value: 0.54 (silica gel; dichloromethane/methanol=9:1); EKA mass spectrum: (M+H)+=650; (M+H+Na)++=336.6; (M+Na)+=672; (M+2Na)++=347.6.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06710055B2
Source datasetuspto-grants-2004_03
ORD IDord-a542682735564f659640337a27eed1c8
Source noteuspto-grants-2004_03