abstract |
The use of the compounds of general formula I wherein 4,5 or 6 of the substituents X 1 to X 6 -SR, -SO 2 R or -SOR and the other substituents Can be -H, -CI, -F, -OH, -SH, -R, -OR, -COOR or -OOCR, Lubricant leads to lower friction losses than in gearboxes and machine bearings. |