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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1359739Generated: October 30, 2026

1-Methylpiperazine → HCID 59077518, compound

https://huagongshe.com/reaction/1359739

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-MethylpiperazineHCID 53167—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantHCID 59077619HCID 59077619—
SolventDimethylformamideHCID 6228—
ProductHCID 59077518HCID 59077518—

Reaction Steps

A mixture of 5-[5-(2,6-dimethyl-phenylmethanesulfonyl)-2-oxo-1,2-dihydro-indol-(3Z)-ylidenemethyl]-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (120 mg, 0.26 mmol), 1-methyl-piperazine (1.2 eq.), HOBt (1.2 eq.), EDAC.HCl (1.2 eq.) and TEA (3 eq.) in DMF (0.2 M) was stirred at rt for overnight. The reaction was concentrated, diluted with DCM, washed with water, dried and concentrated. The residue was triturated with ethyl ether to give the titled compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06599902B2
Source datasetuspto-grants-2003_07
ORD IDord-560e322dd2384b0983276a8f93d81a9b
Source noteuspto-grants-2003_07