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Short Paper | Regular issue | Vol 96, No. 3, 2018, pp.483-489
Published online, 21st February, 2018
DOI: 10.3987/COM-17-13864
A Practical Synthesis of the Cyclic Butylene Terephthalate Trimer

Xiaolin Li, Pu Zhou, Wenxuan Wu, Li Zhan, Ting Liu, Fan Yang, Jie Tang, Shanbao Yu, Hui Li, and Yu Luo*

*Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China


This paper described a practical synthetic approach for the cyclic butylene terephthalate trimer (7). The key step was a ring-closing metathesis, using Grubbs’ second-generation catalyst to form the macrocyclic ring. The advantages of this procedure included short reaction steps, simple operations and good yields.