4,4'-二甲基联苯
4,4'-二甲基联苯 | |
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别名 | 4,4'-联甲苯 |
识别 | |
CAS号 | 613-33-2 |
SMILES |
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性质 | |
化学式 | C14H14 |
摩尔质量 | 182.26 g·mol−1 |
熔点 | 120—121 °C(393—394 K)[1] |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
4,4'-二甲基联苯是一种有机化合物,化学式为C14H14。它可由4-溴甲苯在双(1,5-环辛二烯)镍存在下偶联得到。[2]
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。[3]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。[4]
参考文献
- ^ Jya-Wei Cheng; Fen-Tair Luo (1988). Coupling of aryl Grignard reagents by electron transfer to 2,3-dichloropropene. Tetrahedron Letters, 29(11), 1293–1294. doi:10.1016/s0040-4039(00)80280-4
- ^ Takakazu Yamamoto. Homocoupling of aryl halides promoted by an NiCl2/bpy/Mg system in DMF. Applied Organometallic Chemistry (2014), 28 (8), 598-604. doi:10.1002/aoc.3168
- ^ 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. doi:10.1021/jacs.7b03327.
- ^ 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. doi:10.1016/j.molcata.2007.03.069.