Phosphoric esters and method for preparing the same

Details Phosphoric esters and method for preparing the same Phosphoric esters and method for preparing the same

1985-02-11

1986-11-18

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

558169, C07F 909

Patent

active

046237437

ABSTRACT:
A phosphoric ester of the following formula (I): ##STR1## in which R.sub.1 represents a saturated or unsaturated, linear or branched and substituted or unsubstituted hydrocarbon group having from 8 to 32 carbon atoms, R.sub.2, R.sub.3 and R.sub.4 are the same or different and represent a saturated or unsaturated hydrocarbon group having from 1 to 4 carbon atoms, R.sub.5 represents a hydrogen atom, a saturated or unsaturated hydrocarbon group having from 1 to 4 carbon atoms, and n is an integer of from 0 to 50.
The above novel phosphoric acid ester has excellent detergent performance with very low irritations to living body.
A manufacturing method of the ester is also disclosed. According to the method, the ester can be prepared from inexpensive, readily available starting materials by a simple procedure in high purity and high yield.

REFERENCES:
patent: 3304349 (1967-02-01), Shen
patent: 3507937 (1970-04-01), Zimmerer
patent: 4372809 (1983-02-01), Lindemann et al.
Kao Soap, Abstract of Jpn. Kokai Tokkyo Koho Japan 57,163,305, 10/12/82, CA. 98:107549m (1983).

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