Process for the preparation of an alkali metal salt of a diester

Details Process for the preparation of an alkali metal salt of a diester Process for the preparation of an alkali metal salt of a diester

1986-03-13

1988-04-05

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

C07F 911

Patent

active

047360518

ABSTRACT:
A process for preparing an alkali metal salt of a phosphoric ester represented by the following general formula (III): ##STR1## wherein R.sup.1 means an organic group, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 denote individually a hydrogen atom or organic group, R.sup.2 and R.sup.4 may optionally be coupled together into a ring, and M stands for an alkali metal, which comprises reacting a monoalkali metal salt of an organophosphoric monoester, represented by the following general formula (I): ##STR2## wherein R.sup.1 and M have the same meaning as defined above, with an epoxy compound represented by the following general formula (II): ##STR3## wherein R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the same meaning as defined above.

REFERENCES:
patent: 3070620 (1962-12-01), Gold
Kosolapoff et al, "Organic Phosphorus Compounds," vol. 6, (1973), p. 232.

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