Citation: Jian Quan LU, Li ZHANG, Ting Quan SUN, Gui Xiang WANG, Ling Yan WU. Synthesis of Coumarin-functionalized Calix[4]arene and Selective Recognition for L-Tryptophan[J]. Chinese Chemical Letters, ;2006, 17(5): 575-577.
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5, 11, 17, 23-Tetra-tert-butyl-25, 27-bis(7'-methoxycoumarin-3'-methyloxy)-26, 28-dihydroxycalix[4]arene was synthesized and characterized. The derivative could recognize L-tryptophan with a 1:1 complexing ratio and an apparent equilibrium constant of 111 L mol-1 in DMF-acetonitrile as solvent by UV-visible and fluorescent spectrophotometry.
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Keywords:
- Calixarene,
- synthesis,
- recognition,
- L-tryptophan
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