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Synthesis and conformation studies of multiple bridged p-tert-butylcalix[7]arene diphosphates |
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| Authors: | Haibing Li Dejun Xiong Yuanyin Chen Peng Xie Jian Wan |
| Affiliation: | (1) Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, China;(2) Department of Chemistry, Wuhan University, Wuhan, 430072, China |
| Abstract: | p-tert-Butylcalix[7]arene reacting with phosphorus pentachloride and then with water afforded two stereoisomers p-tert-butylcalix[7]arene diphosphates 2a and 2b, representing the first phosphorus multiple bridged calix[7]arene. The more accurate structure of 2a was investigated with the aid of Gaussian03 calculations. |
| Keywords: | Calixarene Calix[7]arene Multiple bridging Phosphate Conformation |
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