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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1250772Generated: October 31, 2026

Water → 1-(4-Methylpiperazino)-3-[2-(octadecyloxy)phenyl]-1-propanone

https://huagongshe.com/reaction/1250772

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant1-BromooctadecaneHCID 8218—
ReactantSodium HydroxideHCID 14798—
Reactant3-(2-Hydroxyphenyl)-1-(4-methylpiperazino)-1-propanoneHCID 18520257—
SolventHydrochloric AcidHCID 313—
SolventDimethyl SulfoxideHCID 679—
Product1-(4-Methylpiperazino)-3-[2-(octadecyloxy)phenyl]-1-propanoneHCID 98071969.3%

Reaction Conditions

Temperature80 °C

Reaction Steps

10% sodium hydroxide aqueous solution (6.70 g) was added to a solution containing 3-(2-hydroxyphenyl)-1-(4-methylpiperazino)-1-propanone (2.07 g) obtained in Example 3(1) in dimethylsulfoxide (21 ml). The mixture was heated up to 80° C. and 1-bromooctadecane (2.78 g) was added thereto. After being stirred for 3.75 hours at 80° C., the reaction mixture, with water added thereto, was neutralized with IN hydrochloric acid. The deposited solid was corrected by filtration and washed with water. This solid was purified by silica gel column chromatography (silica gel 100 g, chloroform:methanol=50:1 to 10:1), thereby yielding the entitled compound (0.39 g) as white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06339154B1
Source datasetuspto-grants-2002_01
ORD IDord-cf6fb81b36834be19e3687ee0b9562cf
Source noteuspto-grants-2002_01