... AN IMPROVED METHOD FOR THE PREPARATION OF 0-QUINODIMETHANES GM Rubottom* and JE Wey Department of Chemistry University of Idaho MOSCOW, Idaho 83843 ABSTRACT: o-quinodimethane from 3,6-dimethyl-1,2-bis(bromomethyl)benzene,J, is described. ... Page 4. 510 RUBOTTOM AND WEY give 32.5 g (70%) of pure 3,6-dimethylphthalyl alcohol, mp 68-69°C (lit.7 mp 70'C); IR (KBK) 3240 cm-l; NMR (CDC13) 6 2.29 (s, 6H), ...