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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1957757Generated: November 1, 2026

Acetic Acid → Diethyl 2-(1,3-benzodioxol-5-ylmethylene)malonate

https://huagongshe.com/reaction/1957757

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantDiethyl MalonateHCID 7761—
ReactantPiperidineHCID 8082—
ReactantPiperonalHCID 8438—
SolventTolueneHCID 1140—
ProductDiethyl 2-(1,3-benzodioxol-5-ylmethylene)malonateHCID 229795—

Reaction Steps

Into a one-liter three-necked conical flask are introduced 50 g (333.04 mmol) of piperonal, 53.34 g (333.04 mmol) of diethyl malonate, 2.26 g (26.59 mmol) of piperidine, 110 ml of toluene and 1.6 g (26.66 mmol) of acetic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05786494
Source datasetuspto-grants-1998_07
ORD IDord-674601ad52c240da8632f9bd4b192df9
Source noteuspto-grants-1998_07