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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1838237Generated: November 1, 2026

Benzyl chloroformate → 1-Cbz-3-Methylpiperazine

https://huagongshe.com/reaction/1838237

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl chloroformateHCID 10387—
Reactant2-MethylpiperazineHCID 66057—
SolventDichloromethaneHCID 6344—
Product1-Cbz-3-MethylpiperazineHCID 10421542—

Reaction Steps

A 4 g portion of 2-methylpiperazine was dissolved in 40 ml of dichloromethane, and 1.71 g of benzyl chloroformate was added dropwise thereto at −78° C. After 1 hour of stirring, the mixture was washed by adding water and dried and then the solvent was evaporated to obtain 2.0 g of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06673799B1
Source datasetuspto-grants-2004_01
ORD IDord-3975fcf26ad248c2b8742c9b0e87636a
Source noteuspto-grants-2004_01