INTERACTION OF AROMATIC HYDROXY KETONES AND THIONYL  CHLORIDE IN PRESENCE OF FINELY DIVIDED COPPER. PART XI.  PREPARATION OF 2:2'-DIHYDROXY-3:3' - DIACETYL - AND  -3 : 3 -DIPROPIONYL-5 : 5'-DIMETHYLDIPHENYL SULPHIDES AND 2 : 2'-DIHYDROXY-3 : 3'-DIMETHYL-5 :5'-  DIACETYLDIPHENIIL SULPHIDE
Zenodo (CERN European Organization for Nuclear Research)