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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2291406Generated: October 31, 2026

Water → Cyclopentanecarboxylic acid, 2,2,5,5-tetramethyl-

https://huagongshe.com/reaction/2291406

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantEthyl AcetateHCID 8857—
ReactantCyclopentanecarboxaldehyde, 2,2,5,5-tetramethyl-HCID 9793878—
ReactantJones' reagentHCID 131709961—
SolventAcetoneHCID 180—
SolventIsopropanolHCID 3776—
ProductCyclopentanecarboxylic acid, 2,2,5,5-tetramethyl-HCID 1019788992%

Reaction Steps

2.47 g of 1-formyl-2,2,5,5-tetramethylcyclopentane was dissolved in 26 ml of acetone, and 5.2 ml of Jones' reagent was added thereto with ice cooling After stirring at room temperature for 4 hours, 26 ml of water, 26 ml of ethyl acetate and 2.6 ml of isopropyl alcohol were added thereto, and the mixture was stirred at room temperature for 30 minutes, and the resulting layers were separated. The organic layer was washed with water and aqueous saturated sodium chloride solution, dried over anhydrous magnesium sulfate, and subjected to filtration. The filtrate was concentrated under reduced pressure, whereby 2.51 g of 2,2,5,5-tetramethylcyclopentanecarboxylic acid was obtained. Yield 92%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04795831
Source datasetuspto-grants-1989_01
ORD IDord-965c303e57534412b7f80a68fcc180eb
Source noteuspto-grants-1989_01