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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2395719Generated: October 30, 2026

Acetic Acid → HCID 18990344, compound

https://huagongshe.com/reaction/2395719

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantPiperidineHCID 8082—
ReactantAcetylacetoneHCID 31261—
Reactant3-Chloro-4,5-dihydroxybenzaldehydeHCID 2468182—
SolventButyl AcetateHCID 31272—
ProductHCID 18990344HCID 18990344—

Reaction Steps

A mixture containing 3.45 g of 3,4-dihydroxy-5-chlorobenzaidehyde, 3.0 ml of 2,4-pentanedione, 0.3 ml of piperidine and 1.0 ml of acetic acid in 100 ml of 1-butyl acetate was refluxed for 2 h with Dean-Stark separator. The solution was filtered and the solvent was evaporated in vacuo. The residue was crystallized from 1-propanol. Yield 0.46 g, mp 167°-171° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05489614
Source datasetuspto-grants-1996_02
ORD IDord-cb18d11043bd44bea42475d80da801bd
Source noteuspto-grants-1996_02