Novel phenol stabilizers

Abstract

Phenols of the formula I ##STR1## wherein N HAS A VALUE FROM 1 TO 15, Each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently is a hydrogen atom, a C.sub.1 -C.sub.18 -alkyl group, an aryl group, a C.sub.5 -C.sub.12 -cyclo-alkyl group or a C.sub.7 -C.sub.13 -aralkyl group, R.sub.5 is a hydrogen atom or a C.sub.1 -C.sub.18 -alkyl group, Y is a carbonyl, thiocarbonyl, sulphinyl, sulphonyl, --P(OR.sub.7)--P(.dbd.O)(OR.sub.7)--, --P(.dbd.O)(R.sub.7)-- or --P(R.sub.7)-- group, and R.sub.6 is a radical --CHR.sub.8 --CHR.sub.9 --S--CR.sub.10 R.sub.11 R.sub.12, wherein each of R.sub.8 and R.sub.9 independently is a hydrogen atom or a C.sub.1 -C.sub.6 -alkyl group, R.sub.10 is a hydrogen atom, a C.sub.1 -C.sub.19 -alkyl group, a C.sub.2 -C.sub.4 -alkenyl group or an aryl group, R.sub.11 is a hydrogen atom or a methyl group and R.sub.12 is a hydrogen atom or a methyl group, or, if R.sub.11 is a hydrogen atom, is a C.sub.2 -C.sub.6 -alkyl group, or, if R.sub.10 is a hydrogen atom, R.sub.11 and R.sub.12 together with the carbon atom to which they are attached represent a cycloalkyl group, or R.sub.10, R.sub.11 and R.sub.12 together with the carbon atom to which they are attached represent an aryl group, or if Y is a thiocarbonyl, sulphinyl or sulphonyl group, R.sub.6 can also be a hydrogen atom or a C.sub.1 -C.sub.18 -alkyl group or an aryl group, and R.sub.7 is a hydrogen atom, a C.sub.1 -C.sub.18 -alkyl group or an aryl group, as stabilizers for organic material.

Dependencies are inferred from the claim text.