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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1706044Generated: October 30, 2026

Aluminum(III) Chloride → cis-2-(3-Methyl-1-oxo-2-butenyl)cyclopentanecarboxylic acid

https://huagongshe.com/reaction/1706044

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAluminum(III) ChlorideHCID 6451240—
Reactantcis-tetrahydro-1H-cyclopenta[c]furan-1,3(4H)-dioneHCID 10920594—
Solvent1,2-DichloroethaneHCID 11—
Productcis-2-(3-Methyl-1-oxo-2-butenyl)cyclopentanecarboxylic acidHCID 54003608—

Reaction Steps

To a stirred suspension of 4.38 g. (32.86 mmole) of anhydrous aluminum chloride in 100 ml. of 1,2-dichloroethane at room temperature is added 2.30 g. (16.43 mmoles) of cis-1,2-cyclopentanedicarboxylic anhydride. Ethylene is then bubbled through the clear solution with stirring for four hours.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04206137
Source datasetuspto-grants-1980_06
ORD IDord-3522fd64688e4d348c58640434f43a2d
Source noteuspto-grants-1980_06