BY JOSEPH L. KALINSKY AND ALLAN WEINSTEIN RECEIVED OCTOBER 23, 1953 The sebacyl and phthalyl esters of 2-ethylhexanol-l-Ci4 were required at this Laboratory for the evaluation of primary plasticizers and synthetic lubricants using radioisotope-tracer techniques. These syntheses were accomplished by the radiocarbonation of 3- heptylmagnesium bromide (I), using a method similar to that of Dauben, Reid and ...