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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 895951Generated: November 1, 2026

Water → HCID 54161930, compound

https://huagongshe.com/reaction/895951

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPiperidineHCID 8082—
Reactant3,4-DihydroxybenzaldehydeHCID 8768—
Reactanttert-Butyl cyanoacetateHCID 70693—
SolventEthanolHCID 702—
ProductHCID 54161930HCID 5416193066%

Reaction Steps

2 g (15 mmol) 3,4-Dihydroxybenzaldehyde, 3 g (21 mmol) of tert-butyl cyanoacetate and 0.5 ml of piperidine in 50 ml ethanol were heated to reflux for 1 hour, poured into water, filtered, washed and dried to yield 2.5 g (yield 66%) of tert-butyl α-cyano-3,4-dihydroxycinnamate as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUSRE038761E1
Source datasetuspto-grants-2005_07
ORD IDord-6f03a94106a8437f8cbc74a40afb7076
Source noteuspto-grants-2005_07