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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1795359Generated: October 27, 2026

Benzenamine, 4-(4-morpholinyl)- → 6-Ethoxy-8-(4-methyl-piperazin-1-yl)-4-oxo-4H-chromene-2-carboxylic Acid (4-(4-propionyl-piperazin-1-yl)-phenyl]-amide

https://huagongshe.com/reaction/1795359

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenamine, 4-(4-morpholinyl)-HCID 75655—
Reactant1-(4-(4-Aminophenyl)piperazin-1-yl)propan-1-oneHCID 934784—
Reactant8-(4-Methyl-piperazin-1-yl)-4-oxo-4H-chromene-2-carboxylic acid (5-ethoxy-benzothiazol-2-yl)-amideHCID 23533370—
Product6-Ethoxy-8-(4-methyl-piperazin-1-yl)-4-oxo-4H-chromene-2-carboxylic Acid (4-(4-propionyl-piperazin-1-yl)-phenyl]-amideHCID 2353329912%

Reaction Steps

This compound was prepared from 250 mg (0.68 mmol, 1.0 equiv.) of 6-Ethoxy-8-(4-methyl-piperazin-1-yl)-4-oxo-4H-chromene-2-carbonyl chloride (Reference Example 23) and 175 mg (0.748 mmol, 1.1 equiv.) of 1-[4-(4-Amino-phenyl)-piperazin-1-yl]-propan-1-one by an analogous procedure to that used to prepare the 4-morpholino aniline derivative, to give 45 mg (12%) of the desired product as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07026314B2
Source datasetuspto-grants-2006_04
ORD IDord-6fde60c6bdb84622aad6240c86acda25
Source noteuspto-grants-2006_04