Alpha olefin isomerization in preparing alkane phosphonic acids

Details Alpha olefin isomerization in preparing alkane phosphonic acids Alpha olefin isomerization in preparing alkane phosphonic acids

1978-04-19

1979-09-18

O'Keefe, Veronica

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By double-bond-shift isomerization

2605024R, C07C 530

Patent

active

041682840

ABSTRACT:
Preparation of long chain alkane phosphonic acids involves reacting alpha olefin with macroreticular strong acid cation exchange resin to isomerize the olefin, reacting resulting internally unsaturated olefin with dimethylphosphite to produce non-terminally substituted alkanephosphonic acid dimethyl ester, and demethylating with anhydrous hydrogen chloride or hydrogen bromide.

REFERENCES:
patent: 3151179 (1964-09-01), Kennedy et al.
patent: 3370101 (1968-02-01), Hayes et al.
patent: 3579604 (1971-05-01), Tumolo
patent: 3920765 (1975-11-01), Frech et al.

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