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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1440262Generated: October 30, 2026

Triethylamine → HCID 22903527, compound

https://huagongshe.com/reaction/1440262

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant1-MethylpiperazineHCID 53167—
ReactantBis(2-oxo-3-oxazolidinyl)phosphinic chlorideHCID 152842—
ReactantHCID 22903515HCID 22903515—
SolventWaterHCID 962—
SolventDichloromethaneHCID 6344—
ProductHCID 22903527HCID 22903527—

Reaction Steps

To a solution of 7-chloro-5-carboxymethoxy-1-[6-(2-methylbenzoylamino)nicotinoyl]-2,3,4,5-tetrahydro-1H-benzazepine (0.3 g) in dichloromethane (10 ml) is added with stirring N,N-bis(2-oxo-3-oxazolidinyl)phosphinic chloride (0.2 g) under ice-cooling, and the mixture is stirred at room temperature for 15 minutes. Subsequently, to the mixture are added with stirring N-methylpiperazine (0.09 ml) and triethylamine (0.17 ml) under ice-cooling, and the mixture is stirred at room temperature overnight. Water is added to the reaction solution, and the mixture is extracted with dichloromethane. The extract is washed with water, dried over magnesium sulfate, and evaporated under reduced pressure to remove the solvent. The residue is purified by silica gel column chromatography to give 7-chloro-5-[(4-methyl-1-piperazinyl)carbonylmethoxy]-1-[6-(2-methylbenzoylamino)nicotinoyl]-2,3,4,5-tetrahydro-1H-benzazepine (0.23 g) as colorless amorphous.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05498609
Source datasetuspto-grants-1996_03
ORD IDord-f70de79d56bc4cafa0849e799da9972e
Source noteuspto-grants-1996_03