Cyclic phosphorus esters

Details Cyclic phosphorus esters Cyclic phosphorus esters

1971-02-23

1976-07-13

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260 25AJ, 428276, C07F 940, C08J 900

Patent

active

039694372

ABSTRACT:
Novel cyclic phosphorus esters are disclosed having the formula: ##EQU1## where R.sub.9 and R.sub.10 can be the same or different and are selected from the group consisting of hydrogen, lower alkyl, lower hydroxyalkyl, lower haloalkyl and hydroxy with the proviso that no more than one of R.sub.9 and R.sub.10 can be hydroxy. These compounds are useful for the preparation of flame retardant textile finishes as well as for use as polyols for preparing flame retardant polyurethane foams.

REFERENCES:
patent: 3134742 (1964-05-01), Wismer et al.
patent: 3597503 (1971-08-01), Wilson et al.

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