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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 982002Generated: October 30, 2026

Acetic Acid → HCID 54359700, compound

https://huagongshe.com/reaction/982002

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
Reactant3-NitrobenzaldehydeHCID 7449—
ReactantPiperidineHCID 8082—
Reactant2-Bromoethyl 3-oxobutanoateHCID 13231363—
SolventIsopropanolHCID 3776—
ProductHCID 54359700HCID 54359700—

Reaction Steps

405 g of 2-bromoethyl acetoacetate are dissolved in 1500 ml of isopropanol. 293 g of 3-nitrobenzaldehyde, 4.6 g of acetic acid and 6.8 g of piperidine are added while stirring. The mixture is stirred at 40° C. until a clear solution has formed. The solution is allowed to cool slowly, seeded with a few crystals of the title compound and stirred at room temperature for 48 h and then cooled, and the product is filtered off under suction, washed with cold isopropanol and dried in vacuo at 50° C. 495 g of the title compound of m.p. 94.5°-95.5° C. are obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04994461
Source datasetuspto-grants-1991_02
ORD IDord-3eb1809817e14712a30498f7bb95fa68
Source noteuspto-grants-1991_02