Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Patent
1991-07-29
1992-11-24
Ramsuer, Robert W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus esters
558 87, 558194, C07F 932
Patent
active
051663899
ABSTRACT:
New chemical product, constituted by an organic phosphorus compound of the structure ##STR1## where Q is an N or O atom, T is an alkylene or arylene, possibly carrying substituents, or not existing, while R.sup.1 to R.sup.7, the same or different, are H or aliphatic, cycloaliphatic and/or arylic hydrocarbon radicals, possibly substituted, R.sup.3 not existing when Q is oxygen. This product is used as an intermediate in the preparation of different derivatives of phosphinous acid.
REFERENCES:
patent: 3576921 (1971-04-01), Allais et al.
Genet Jean-Pierre
Juge Sylvain
Ambrose Michael G.
Ramsuer Robert W.
Societe Nationale Elf Aquitaine
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