METHOD OF PREPARING 2-CHLORO-2-ALKENYLPHOSPHONIC ACID DICHLORIDES Russian patent published in 1999 - IPC

Abstract RU 2140923 C1

FIELD: chemical industry, more particularly preparation of organophosphorous compounds. SUBSTANCE: 2- chloro-2-alkenylphosphonic dichlorides of formula: RCH = CClCH2P(O)Cl2 wherein R is alkyl, are prepared by reaction of 2-alkyl- 1,1-dicyclopropane with phosphorus trichloride in the presence of equimolar amount of aluminium trichloride followed by treatment of reaction mixture with water in methylene chloride. EFFECT: shorter process time. 2 ex

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RU 2 140 923 C1

Authors

Mitrasov Ju.N.

Anisimova E.A.

Dates

1999-11-10Published

1998-09-07Filed