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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2288427Generated: November 2, 2026

Hydrochloric Acid → 1-ethyl-2-[N-(4-amidinophenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-ethoxycarbonylethyl)amide hydrochloride

https://huagongshe.com/reaction/2288427

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthanolHCID 702—
ReactantAmmonium CarbonateHCID 517111—
Reactant1-ethyl-2-[N-(4-cyanophenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-ethoxycarbonylethyl)amideHCID 18412469—
SolventDichloromethane methanolHCID 21226129—
Product1-ethyl-2-[N-(4-amidinophenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-ethoxycarbonylethyl)amide hydrochlorideHCID 1841244885%

Reaction Steps

Prepared analogously to Example 25d from 1-ethyl-2-[N-(4-cyanophenyl)-aminomethyl]-benzimidazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-ethoxycarbonylethyl)-amide and ethanolic hydrochloric acid, ethanol and ammonium carbonate. Yield: 85% of theory, C28H31N7O3 (513.6) Rf value: 0.21 (silica gel; dichloromethane/methanol=5:1) ##EQU55##

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06087380
Source datasetuspto-grants-2000_07
ORD IDord-b09cee4bfc7b45f59044a23be418268d
Source noteuspto-grants-2000_07