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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1386238Generated: November 1, 2026

Hydrochloric Acid → HCID 23500384, compound

https://huagongshe.com/reaction/1386238

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantPhloroglucinolHCID 359—
ReactantEthyl 2-cyclopentyl-3-oxobutanoateHCID 17750296—
SolventEthanolHCID 702—
ProductHCID 23500384HCID 23500384—

Reaction Steps

A solution of phloroglucinol (2.00 g) and ethyl 2-cyclopentylacetoacetate (3.14 g) in ethanol (40 ml) was treated with dry HCl at 0° C. for 2.5 hours and the solution kept at that temperature overnight. Solvent was evaporated and the precipitate purified with flash chromatography eluting with toluene-EtOAc-AcOH (8:1:1). Yield 1.22 g (29%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06265421B1
Source datasetuspto-grants-2001_07
ORD IDord-d9d16d01c7c444f594d313f5f25d29ef
Source noteuspto-grants-2001_07