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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 583108Generated: October 29, 2026

Ethanol → HCID 86754293, compound

https://huagongshe.com/reaction/583108

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantTriethylamineHCID 8471—
Reactant4,5-Dichloro-3-hydroxypyridazineHCID 73247—
Reactant3-(4-Methylpiperazin-1-yl)-carbonylmethoxy-4-methoxybenzylamineHCID 86754292—
SolventWaterHCID 962—
ProductHCID 86754293HCID 8675429347.9%

Reaction Steps

A mixture comprising 1.16 g of 3-(4-methylpiperazin-1-yl)-carbonylmethoxy-4-methoxybenzylamine, 0.5 g of 4,5-dichloro-3(2H)-pyridazinone, 0.46 g of triethylamine, 10 ml of ethanol and 10 ml of water, was refluxed under heating with stirring overnight. The solvent was distilled off under reduced pressure, and an aqueous potassium carbonate solution was added to the residue. The mixture was extracted with chloroform. The extract solution was washed with water and a saturated sodium chloride aqueous solution and then dried over anhydrous sodium sulfate. Then, the solvent was distilled off. The obtained residue was purified by silica gel column chromatography and then crystallized from chloroform/diethyl ether to obtain 0.61 g of the above-identified compound as white crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05929074
Source datasetuspto-grants-1999_07
ORD IDord-9eee5d55776a4bcfbc8c29cfab6e60d5
Source noteuspto-grants-1999_07