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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1051793Generated: November 1, 2026

1-Methylpiperazine → HCID 68747598, compound

https://huagongshe.com/reaction/1051793

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-MethylpiperazineHCID 53167—
Reactant(S)-(9H-fluoren-9-yl)methyl 1-(1,8-dichloroisoquinolin-3-yl)ethylcarbamateHCID 86665027—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 68747598HCID 68747598—

Reaction Steps

A solution of (S)-(9H-fluoren-9-yl)methyl 1-(1,8-dichloroisoquinolin-3-yl)ethylcarbamate 69 (250 mg, 0.539 mmol, 1.0 eq) and 1-methylpiperazine (108 mg, 1.079 mmol, 2.0 eq) in 1,4-dioxane (5 mL) was stirred at reflux overnight. The reaction mixture was allowed to cool to RT and concentrated in vacuo. The residue was purified by flash column chromatography on silica gel (3.3% MeOH-DCM) to afford the product (S)-1-(8-chloro-1-(4-methylpiperazin-1-yl) isoquinolin-3-yl)ethanamine 95.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09388183B2
Source datasetuspto-grants-2016_07
ORD IDord-630ce9eab98d4b72aeacbfdde944786b
Source noteuspto-grants-2016_07