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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2288342Generated: October 30, 2026

Hydrochloric Acid → 2-[N-(4-amidinophenyl)aminomethyl]benzothiazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-methoxycarbonylethyl)amide dihydrochloride

https://huagongshe.com/reaction/2288342

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethanolHCID 887—
ReactantAmmonium CarbonateHCID 517111—
Reactant2-[N-(4-cyanophenyl)aminomethyl]benzothiazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-methoxycarbonylethyl)amideHCID 18412497—
CatalystAcetic AcidHCID 176—
SolventDichloromethane ethanolHCID 21584144—
Product2-[N-(4-amidinophenyl)aminomethyl]benzothiazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-methoxycarbonylethyl)amide dihydrochlorideHCID 1841263668%

Reaction Steps

Prepared analogously to Example 9 from 2-[N-(4-cyanophenyl)-aminomethyl]benzothiazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-methoxycarbonylethyl)-amide, methanolic hydrochloric acid, methanol and ammonium carbonate. Yield: 68% of theory, C25H24N6O3S (488.57) Rf value: 0.13 (silica gel; methylene chloride/ethanol=4:1+a few drops of acetic acid) EKA mass spectrum: (M+H)+ =489

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06087380
Source datasetuspto-grants-2000_07
ORD IDord-ecdfad7505f84476ab96f7572e0c9cc4
Source noteuspto-grants-2000_07