Process for preparing dimethyl propanephosphonate

Details Process for preparing dimethyl propanephosphonate Process for preparing dimethyl propanephosphonate

2006-10-10

2006-10-10

Shameem, Golam M. M. (Department: 1626)

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

Organic compounds

Phosphorus esters

Reexamination Certificate

active

07119220

ABSTRACT:
Process for preparing dimethyl propanephosphonate, characterized in that dimethyl phosphite is reacted with propene in the presence of a free-radical former at a reaction temperature of 60 to 95° C., the half life of the free-radical former being 0.1 to 20 min at the reaction temperature.

REFERENCES:
patent: 2478390 (1949-08-01), Hanford et al.
patent: 3812222 (1974-05-01), Kleiner et al.
patent: 3812223 (1974-05-01), Tsuchiya
patent: 4003720 (1977-01-01), Schlicht et al.
patent: 4781865 (1988-11-01), Liu
patent: 25 35 658 (1922-02-01), None
patent: 44 18 307 (1995-11-01), None
Houben-Weyl, Methoden der Organischen Chemie [Methods in Organic Chemistry] 4thedition vol. XII/1, Stuttgart (month unavailable) 1964, pp. 463-467, K. Sasse, “Phosphonsäuren und Derivate”.
Houben-Weyl, Methoden der Organischen Chemie [Methods in Organic Chemistry], vol. E2, Stuttgart (month unavailable) 1982, pp. 351-353, Gallenkamp/Hofer/Krüger/Maurer/Pfister “Phosphosäuren und ihre Derivate”.

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