Synthesis and Extraction Property of Novel Thiacalix[4]biscrown: Thiacalix[4]-1,3-2,4-aza-biscrown |
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| Authors: | Fafu Yang Cuiyu Huang Hongyu Guo Jianrong Lin Qi Peng |
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| Institution: | (1) College of Chemistry and Materials, Fujian Normal University, Fuzhou, 350007, P.R. China;(2) State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P.R. China |
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| Abstract: | The novel thiacalix4]-1,3-2,4-aza-biscrown 3 in 1,3-alternate conformation, was facilely prepared by “1 + 2” cyclocondensation of p-tert-butylthiacalix4]arene tetrahydrazide derivative 2 with o-phthalaldehyde in yield of 78%. The liquid–liquid extraction experiment showed that compound 3 was excellent receptor for zwitterionic α-amino acids and soft cations Ag+ and Hg2+. The extraction percentage of methionine was as high as 78%. |
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| Keywords: | amino acid aza cation extraction synthesis thiacalix [4]biscrown |
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