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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 50323Generated: October 25, 2026

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

https://huagongshe.com/reaction/50323

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbonochloridic acid, octyl esterHCID 81956—
Reactant1-methyl-2-[N-(4-amidinophenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-(3-pyridyl)-N-(2-ethoxycarbonylethyl)amide hydrochlorideHCID 18412473—
SolventDichloromethane ethanolHCID 21584144—
Productethyl 3-[[1-methyl-2-[[4-(N-octoxycarbonylcarbamimidoyl)anilino]methyl]benzimidazole-5-carbonyl]-pyridin-3-ylamino]propanoateHCID 14044350335%

Reaction Steps

Prepared analogously to Example 90 from 1-methyl-2-[N-(4-amidinophenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-(3-pyridyl)-N-(2-ethoxycarbonylethyl)amide hydrochloride and n-octyl chloroformate. Yield: 35% of theory, C36H45N7O5 (655.8); Rf value: 0.28 (silica gel; dichloromethane/ethanol=19:1); EKA mass spectrum: (M+H)+=656; (M+2H)++=328.7.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06710055B2
Source datasetuspto-grants-2004_03
ORD IDord-889aebb0368e40aa9d1a5a9f0df5d1be
Source noteuspto-grants-2004_03