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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 322181Generated: November 1, 2026

Acetic Acid → HCID 54530594, compound

https://huagongshe.com/reaction/322181

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
Reactant4-NitrobenzaldehydeHCID 541—
ReactantPiperidineHCID 8082—
ReactantHCID 23004120HCID 23004120—
SolventIsopropanolHCID 3776—
ProductHCID 54530594HCID 54530594—

Reaction Steps

A mixture of 2-cyanoethyl hexanoylacetate (21.1 g, 100 mmol), 4-nitrobenzaldehyde (16.6 g, 110 mmol), piperidine (430 mg, 5.00 mmol) and acetic acid (300 mg, 5.00 mmol) in 350 ml of 2-propanol was stirred at room temperature for 48 hrs. The resulting white precipitate was filtered and dried in the air. The product, 2-[(4-nitrophenyl)methylene]-3-oxooctanoic acid 2-cyanoethyl ester was obtained as a white powder (25.2 g, 73% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06211198B1
Source datasetuspto-grants-2001_04
ORD IDord-4d020cbf14ea4b38a1328664758bb71a
Source noteuspto-grants-2001_04