The highly purified hydrocarbons prepared in the present undertaking2 are 1, 14- diphenyltetradecane, l-phenyl-l2-n-propylpentadecane, 4-phenyl-13-n-propylhexadecane, and the cyclohexyl analogs of the latter two. Dimethyl sebacate was a convenient starting material serving all of these syntheses. Partial saponification under proper conditions gave the diacid and the acid-ester in the ratio required for the subsequent work. These acids, ...