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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1657280Generated: October 31, 2026

Sodium Chloride → HCID 19787485, compound

https://huagongshe.com/reaction/1657280

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium ChlorideHCID 5234—
ReactantTetrahydrofuranHCID 8028—
ReactantPotassium HydroxideHCID 14797—
ReactantHCID 19787455HCID 19787455—
SolventDiethyl EtherHCID 3283—
ProductHCID 19787485HCID 1978748591.6%

Reaction Steps

To a mixture of 5% aqueous solution of potassium hydroxide (4.7 ml) and tetrahydrofuran (4.7 ml) was added a solution of 4-oxo-2,2-dicyclopropylpentanal (1.88 g) in diethyl ether (9.4 ml). The mixture was heated at 38° C. to 45° C. for 3 hours and cooled. The aqueous layer was saturated with sodium chloride. The mixture was extracted with diethyl ether and the extract was washed with brine, dried over sodium sulfate, and evaporated in vacuo. The residue was purified by distillation under reduced pressure to give 4,4-dicyclopropyl-2-cyclopenten-1-one (1.55 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05256824
Source datasetuspto-grants-1993_10
ORD IDord-49ef4a14f04d4d5a9d77b0cc27590ba9
Source noteuspto-grants-1993_10