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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 720182Generated: October 29, 2026

1,2-Dichloroethane → 2-{4-[2-amino-3-(4-fluorophenyl)-propionyl]-3-ethyl-piperazin-1-yl}-N-methyl-3-naphthalen-2-yl-propioamide Hydrochloride

https://huagongshe.com/reaction/720182

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2-DichloroethaneHCID 11—
Reactant[2-[2-Ethyl-4-(1-methylcarbamoyl-2-naphthalen-2-yl-ethyl)-piperazin-1-yl]-1-(4-fluorobenzyl)-2-oxo-ethyl]-carbamic acid tert-butyl esterHCID 69587828—
SolventHydrochloric AcidHCID 313—
Solvent1,4-DioxaneHCID 31275—
Product2-{4-[2-amino-3-(4-fluorophenyl)-propionyl]-3-ethyl-piperazin-1-yl}-N-methyl-3-naphthalen-2-yl-propioamide HydrochlorideHCID 2190154899%

Reaction Steps

[2-[2-Ethyl-4-(1-methylcarbamoyl-2-naphthalen-2-yl-ethyl)-piperazin-1-yl]-1-(4-fluorobenzyl)-2-oxo-ethyl]-carbamic acid tert-butyl ester, 40, is dissolved in 4M HCl in dioxane (20 mL). The reaction mixture is stirred for 1 hour, then 1,2-dichloroethane (20 mL) is added. Solvent is removed in vacuo to afford 1.1 g (99% yield) of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07132539B2
Source datasetuspto-grants-2006_11
ORD IDord-83e06de6998e498da22e4b9e7478d969
Source noteuspto-grants-2006_11