3,5-Dimethylcyclohex-2-en-1-one → 1,3-Dimethyl-5-oxocyclohexanephosphonic acid

HRID 2286304

Reaction equation

HRID 2286304 reaction equation
[CH2:1]([O:3][P:4]([O-:8])[O:5][CH2:6][CH3:7])[CH3:2].[CH3:9][C:10]1[CH2:15][CH:14]([CH3:16])[CH2:13][C:12](=[O:17])[CH:11]=1>Cl>[CH3:16][C:14]1([P:4]([O:5][CH2:6][CH3:7])(=[O:8])[O:3][CH2:1][CH3:2])[CH2:13][C:12](=[O:17])[CH2:11][CH:10]([CH3:9])[CH2:15]1.[CH3:16][C:14]1([P:4]([OH:3])(=[O:5])[OH:8])[CH2:13][C:12](=[O:17])[CH2:11][CH:10]([CH3:9])[CH2:15]1

Participants

5

Reactant 2

HCID 142913,5-Dimethylcyclohex-2-en-1-oneHCID 3780918Diethylphosphite

Product 2

HCID 234626741,3-Dimethyl-5-oxocyclohexanephosphonic acidHCID 23462678Diethyl 1,3-dimethyl-5-oxocyclohexanephosphonate

Reagents, catalysts & solvents 1

HCID 313Hydrochloric AcidSolvent

Procedure

Diethyl 1,3-dimethyl-5-oxocyclohexanephosphonate (B. pt. 120°/0.1 mm) was prepared by the base catalysed addition of diethylphosphite to 3,5-dimethyl-2-cyclohexen-1-one. Hydrolysis of the ester in concentrated HCl gave 1,3-dimethyl-5-oxocyclohexanephosphonic acid as a viscous oil.

Sources & evidence

ORD record
ord-069ca0d613fc4c73b63845d4b9818048
Source dataset
uspto-grants-1981_05
Patent number
US04265769

Linked notes

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