An improved synthesis of bis(cyclopentadienone) |
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| Authors: | Ming Ming Yu Xia Lia Miao Luan Jun Na Gao Qiu Zhi Shi Ming Sheng Tang Liu He Wei |
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| Affiliation: | a Department of Chemistry, Zhengzhou University, Zhengzhou 450001, China;b College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China |
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| Abstract: | An improved strategy for the synthesis of 3,3'-(oxy-p-phenylene)bis(2,4,5-triphenylcyclopentadienone) was developed, which includes three steps: Friedel-Crafts reaction, oxidation and condensation. Importantly, the use of KMnO4 made the second step simple and efficient, which has potential application to synthesis of bis(cyclopentadienone)s. The course of oxidation has been confirmed by isolated intermediates. |
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| Keywords: | Bis(cyclopentadienone) Friedel-Crafts reaction Oxidation Condensation |
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