4,4'-二甲基联苯

4,4'-二甲基联苯是一种有机化合物，化学式为C14H14。它可由在双(1,5-环辛二烯)镍存在下偶联得到。Takakazu Yamamoto. Homocoupling of aryl halides promoted by an NiCl2/bpy/Mg system in DMF. Applied Organometallic Chemistry (2014), 28 (8), 598-604. 
反应
它和溴在碘催化下于二氯甲烷中反应，可以得到2-溴-4,4'-二甲基联苯。David M. E. Freeman; et al. Synthesis and Exciton Dynamics of Donor-Orthogonal Acceptor Conjugated Polymers: Reducing the Singlet–Triplet Energy Gap. J. Am. Chem. Soc. 2017, 139, 32, 11073–11080. .它和乙酰氯在三氯化铝存在下反应，可以得到2,3'-二乙酰基-4,4'-二甲基联苯。Salam J.J. Titinchi; et al. Preparation of mono- and diacetyl 4,4′-dimethylbiphenyl and their corresponding carboxylic acids: Reactivity, selectivity and isomer distribution studies via Lewis acid catalyzed Friedel-Crafts acetylation/oxidation. Journal of Molecular Catalysis A: Chemical, 2007. 273 (1-2): 169-176. .
参考文献

Category:联苯
Category:甲苯