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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1586538Generated: November 3, 2026

Acetic Acid → Diethyl (phenylmethylene)malonate

https://huagongshe.com/reaction/1586538

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantBenzaldehydeHCID 240—
ReactantDiethyl MalonateHCID 7761—
ReactantPiperidineHCID 8082—
SolventTolueneHCID 1140—
ProductDiethyl (phenylmethylene)malonateHCID 94751—

Reaction Steps

Into a one-liter three-necked conical flask are introduced 60 g (565.39 mmol) of benzaldehyde, 90.56 g (565.39 mmol) of diethyl malonate, 3.85 g (45.21 mmol) of piperidine, 130 ml of toluene and 2.71 g (45.16 mmol) of acetic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05945548
Source datasetuspto-grants-1999_08
ORD IDord-4334dfde07d247a0b546f9de5ec04278
Source noteuspto-grants-1999_08