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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 652072Generated: October 30, 2026

Amlodipine → HCID 11167822, compound

https://huagongshe.com/reaction/652072

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmlodipineHCID 2162—
ReactantTriethylamineHCID 8471—
Reactant2-Chloroethyl IsothiocyanateHCID 138661—
SolventDichloromethaneHCID 6344—
ProductHCID 11167822HCID 11167822—

Reaction Steps

2-[2-Aminoethoxymethyl]-3-ethoxycarbonyl-4-(2-chlorophenyl)-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine (0.5 g), triethylamine (0.3 ml) and 2-chloroethylisothiocyanate (0.16 ml) were dissolved in methylene chloride (5 ml) and the mixture was stirred at room temperature for 2 hours. The mixture was then washed with water (5 ml), dried, filtered and evaporated to give a gum. Chromatography of the gum on silica "Kieselgel 60H" (Trade Mark) eluting initially with toluene then with chloroform with a trace of methanol gave the title compound, which was recrystallised from ether, yield 0.102 g, m.p. 145°-147°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04670449
Source datasetuspto-grants-1987_06
ORD IDord-9e34db3019914e6aa7bcff76384eb02d
Source noteuspto-grants-1987_06