Preparation of allylphosphonic acid

Details Preparation of allylphosphonic acid Preparation of allylphosphonic acid

1991-10-11

1992-08-25

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus esters

558217, C07F 938, C07F 940

Patent

active

051420848

ABSTRACT:
A novel process for rearranging triallyl phosphite to diallyl allylphosphonate ester is disclosed. The process involves heating triallyl phosphite in the presence of a soluble, inorganic bromide or iodide catalyst. The rearrangement process is useful in a 3-step process for the preparation allylphosphonic acid from trialkyl phosphite without the isolation of intermediates.

REFERENCES:
patent: 4017564 (1977-04-01), Arend et al.
patent: 4633005 (1986-12-01), Nalewajek et al.

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