Process for the preparation of cyclic vinylphosphonic esters

Details Process for the preparation of cyclic vinylphosphonic esters Process for the preparation of cyclic vinylphosphonic esters

1995-02-21

1996-03-26

Richter, Johann

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

Organic compounds

Phosphorus esters

558 77, 558 83, C07F 96564

Patent

active

055022316

ABSTRACT:
The present invention relates to a process for the preparation of compounds of the general formula I ##STR1## in which R.sup.1 and R.sup.2 are defined as stated in claim 1, characterized in that a 1,1,1-tris(hydroxymethyl)-(C.sub.2 -C.sub.5)-alkane or 2,2-bis(hydroxymethyl)-1,3-propanediol is reacted with vinylphosphonic anhydride.

REFERENCES:
patent: 3887656 (1975-06-01), Shim
patent: 3984502 (1976-10-01), Shim
patent: 4093588 (1978-06-01), Spivak et al.
patent: 4959441 (1990-09-01), Engelhardt et al.
patent: 4977066 (1990-12-01), Gersdorf et al.
patent: 5066745 (1991-11-01), Engelhardt et al.
Soviet Inventions Illustrated: 283214, p. 19, Jun. 1971 Derwent Publications Ltd., London, GB.

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