Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2081720Generated: November 2, 2026

Acetic Acid → 2-[(4-Acetamidophenyl)methylene]-1,3-dicyclopropyl-1,3-propanedione

https://huagongshe.com/reaction/2081720

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantPiperidineHCID 8082—
Reactant4-AcetamidobenzaldehydeHCID 73942—
Reactant1,3-Dicyclopropylpropane-1,3-dioneHCID 13780782—
SolventTolueneHCID 1140—
Product2-[(4-Acetamidophenyl)methylene]-1,3-dicyclopropyl-1,3-propanedioneHCID 19096394—

Reaction Steps

A mixture containing 1.6 g 4-acetamidobenzaldehyde, 1.5 g 1,3-dicyclopropyl-1,3-propanedione, 0.2 ml of piperidine and 0.4 ml of acetic acid in 50 ml of toluene was refluxed for 3 h by using a Dean-Stark separator. After standing over night at room temperature the crystals were filtered and washed with toluene. The product was recrystallized from ethanol. Yield 2.0 g, mp 166°-167° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05185370
Source datasetuspto-grants-1993_02
ORD IDord-944f399ec8e24c50937834f23f13c95d
Source noteuspto-grants-1993_02