... liquid fiim) 1670, 1030, 910 cm-'; 'H NMR (CDC13) 1.15 (d, J = 3 Hz ... Deuterium-Labeled Analogues Adrian Weisz and Asher Mandelbaum* Department of Chemistry, Technion-Israel ... l,&cyclohexadiene (l), which is an impor- tant intermediate in many organic and organometallic ...