Citation:
Shi Xu Yi, Jian Men, Xiao Yan Ma, Yan Jiang, Guo Wei Gao. A novel efficient synthetic method for 2,2',3,3'-biphenyltetracarboxylic dianhydride[J]. Chinese Chemical Letters,
;2009, 20(3): 306-309.
doi:
10.1016/j.cclet.2008.11.008
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A novel approach to the synthesis of 2,2',3,3'-biphenyltetracarboxylic dianhydride is described. The target compound was prepared by a nickel-catalyzed coupling reaction of dimethy 3-chlorophthalate (3-DMCP) for 4 h at 70-80℃, followed by subsequent hydrolysis of tetra-ester in acid solution and dehydration of tetra-acid, with overall yield of 68%. The structures of the products were characterized by IR, 1H NMR and 13C NMR respectively.
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