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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2107871Generated: October 25, 2026

Dichloromethane → 2-(4-Methylpiperazino)-3-phenylpropionic acid ethyl ester

https://huagongshe.com/reaction/2107871

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
Reactant1-MethylpiperazineHCID 53167—
ReactantEthyl 2-bromo-3-phenylpropanoateHCID 4737529—
SolventMethanolHCID 887—
Product2-(4-Methylpiperazino)-3-phenylpropionic acid ethyl esterHCID 1505849614.3%

Reaction Steps

Ethyl 2-bromo-3-phenylpropionate (1.95 g) was treated with 3.05 g N-methylpiperazine as described in Example 95 to afford 0.30 g pure product after chromatography (9:1 CH2Cl2 :MeOH). NMR (300 MHz, CDCl3) delta 1.10 (d, J=7 Hz, 3H), 2.26 (s, 3H), 3.37 (m, 1H), 4.00 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04935405
Source datasetuspto-grants-1990_06
ORD IDord-6516543106bd40c08c9d4e2ba66455cb
Source noteuspto-grants-1990_06