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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1440367Generated: October 29, 2026

Ethanol → HCID 18983531, compound

https://huagongshe.com/reaction/1440367

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
Reactant4-MethoxyphenolHCID 9015—
ReactantDiethyl phenylphosphoniteHCID 74225—
ProductHCID 18983531HCID 18983531—

Reaction Conditions

Temperature160 °C

Reaction Steps

99 g (0.5 mol) of diethyl phenylphosphonite and 62 g (0.5 mol) of 4-methoxyphenol were mixed and heated with stirring at 415 mbar. Ethanol distilled off at 115° C. via a small column. The temperature was then increased stepwise to 160° C., and the vacuum was simultaneously increased to 70 mbar. In total, 21.5 g (0.467 mol) of ethanol distilled off. The batch was then cooled and distilled. After a first fraction of 29 g, which essentially contained the unreacted starting materials, 103 g were obtained having a boiling point from 135° to 138° C. at 0.1 to 0.2 mbar. The yield was thus 75% of theory.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05498741
Source datasetuspto-grants-1996_03
ORD IDord-897c88b5931d4faa9d17af11e45b3cbc
Source noteuspto-grants-1996_03