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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 971876Generated: October 29, 2026

Potassium Hydroxide → HCID 53942620, compound

https://huagongshe.com/reaction/971876

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
ReactantEthyl 2-oxocyclopentanecarboxylateHCID 69136—
ReactantEthyl [4-(chloromethyl)phenyl]acetateHCID 12799528—
SolventAcetic AcidHCID 176—
SolventDimethylformamideHCID 6228—
ProductHCID 53942620HCID 5394262072.4%

Reaction Conditions

Temperature50 °C

Reaction Steps

A mixture of 9.4 g of ethyl 2-cyclopentanonecarboxylate, 10.6 g of ethyl p-chloromethylphenylacetate, 3.58 g of potassium hydroxide and 60 ml of dimethyl formamide was stirred at room temperature for 5 hours, at 50° C. for 1 hour and thereafter at room temperature overnight. The reaction mixture was acidified by addition of acetic acid, dimethyl formamide was removed by distillation, water was added to the residue, and the mixture was extracted with ether. The extract was washed with water, dried over anhydrous sodium sulfate, and the solvent evaporated to give an oily substance, which was subjected to a vacuum distillation affording 12 g of the desired compound, b.p. 180°-190° C. at 0.8 mm Hg.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04161538
Source datasetuspto-grants-1979_07
ORD IDord-381acb6715ca46f4bf5cfc5408467c13
Source noteuspto-grants-1979_07