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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1706643Generated: October 29, 2026

Hydrochloric Acid → Diethyl (1-methyl-3-oxocyclohexyl)phosphonate

https://huagongshe.com/reaction/1706643

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant3-Methyl-2-cyclohexen-1-oneHCID 14511—
ReactantDiethylphosphiteHCID 3780918—
ProductDiethyl (1-methyl-3-oxocyclohexyl)phosphonateHCID 15315829—
ProductHCID 54130000HCID 54130000—

Reaction Steps

Diethyl 1-methyl-5-oxocyclohexanephosphonate (B.Pt. 130°-2°/0.8 mm) was prepared by the base catalysed addition of diethylphosphite to 3-methyl-2-cyclohexen-1-one. Hydrolysis of this ester with concentrated HCl gave 1-methyl-5-oxocyclohexanephosphonic acid as a viscous oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04208344
Source datasetuspto-grants-1980_06
ORD IDord-1307cdf79722428ab0da084083c8d6de
Source noteuspto-grants-1980_06