LUBRICATING COMPOSITIONS INHIBITED FROM OXIDATION

摘要

1385950 Thiothiophthenes SNAM PROGETTI SpA 11 Sept 1972 [16 Sept 1971] 42169/72 Heading C2C [Also in Division C5] 2 - Methyl - 5 - p - methoxyphenylthiothiophthene, of formula where R is CH 3 , R1 is p-methoxyphenyl and R2 and R3 are hydrogen, are made by reacting 1-pmethoxyphenylhexan-1,3,5-one.