Phosphonic acid derivatives and thionophosphonic acid derivative

Details Phosphonic acid derivatives and thionophosphonic acid derivative Phosphonic acid derivatives and thionophosphonic acid derivative

1995-06-07

1996-08-27

Gupta, Yogendra N.

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

Organic compounds

Phosphorus esters

544195, 544214, 544219, 558 73, 558 81, 558151, 558195, 558196, 558197, 558198, 558199, 558200, 558207, 558205, C07F 9141, C07F 9201

Patent

active

055502768

ABSTRACT:
Compounds of the general formula I ##STR1## in which n is 1, 2 or 3 and in which X is oxygen or sulfur, T has the meaning of --S--, --S--S--, --S--S--, --S--S--S--S--, --S--S--S--S--S--, ##STR2## and Y has the meaning of ##STR3## in which Z has the meaning of --H, --COR.sup.13, --COOR.sup.13 or --CONHR.sup.13, and Q has the meaning of oxygen or --NR.sup.0 --, and R.sup.1, R.sup.2, R.sup.0, R.sup.4 and R.sup.13 are as defined in claim 1, with the proviso that the compound of the formula C.sub.2 H.sub.5 --S--CH.sub.2 CH(OH)--P(OC.sub.2 H.sub.5).sub.2 is excepted.
The invention also relates to compositions containing the compounds of the formula I and organic materials, for example functional liquids and, in particular, lubricants.

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