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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 499043Generated: October 26, 2026

Ethylene Glycol → HCID 59789669, compound

https://huagongshe.com/reaction/499043

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylene GlycolHCID 174—
ReactantDiethyl 2-[(3-formylphenyl)methylene]propane-1,3-dioateHCID 59789754—
SolventTolueneHCID 1140—
ProductHCID 59789669HCID 59789669—

Reaction Steps

The solution of product 32 in toluene, from the previous reaction, is filtered, transferred to a round bottom flask, and ethylene glycol (2.4 eq) is added, followed by p-toulenesulfonic acid (0.5 eq). The reaction mixture is refluxed overnight with a Dean-Stark trap, then cooled down to room temperature, washed with sat. aq NaHCO3, brine, and dried (Na2SO4). Product 33 is not purified further but used as is in the following step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07767669B2
Source datasetuspto-grants-2010_08
ORD IDord-8146d2aaed544a2681dedd2f4845ef91
Source noteuspto-grants-2010_08