An 2-anfinopyddyl-bddged calix[6]arene on the upper rim fixed in cone conformation (3) was successfully synthesized and its highly selective recognition towards fluoride ion was proved by fluorescent and 1H NMR titr...An 2-anfinopyddyl-bddged calix[6]arene on the upper rim fixed in cone conformation (3) was successfully synthesized and its highly selective recognition towards fluoride ion was proved by fluorescent and 1H NMR titration experiments.展开更多
A one-step procedure is developed to synthesize inherently chiral p-tert-butylcalix[4]azacrown 1 through etherification between p-tert-butylcalix[4]arene and compound 3, which can be amplifed to efficiently prepare mo...A one-step procedure is developed to synthesize inherently chiral p-tert-butylcalix[4]azacrown 1 through etherification between p-tert-butylcalix[4]arene and compound 3, which can be amplifed to efficiently prepare more inherently cbiral calix[4]arenes in ABHH substitution pattern.展开更多
基金the National Natural Science Foundation of China(No.20502008)the State Science Foundation of China(No.05300152)the Science Foundation of Tianjin Medical University(No.2006x9d2) for financial support
文摘An 2-anfinopyddyl-bddged calix[6]arene on the upper rim fixed in cone conformation (3) was successfully synthesized and its highly selective recognition towards fluoride ion was proved by fluorescent and 1H NMR titration experiments.
基金Foundation of Tianjin Medical University(No.2006x9d2)the National Natural ScienceFoundation of Chinathe Major State Basic Research Development Program of China(No.20502008) for financialsupport
文摘A one-step procedure is developed to synthesize inherently chiral p-tert-butylcalix[4]azacrown 1 through etherification between p-tert-butylcalix[4]arene and compound 3, which can be amplifed to efficiently prepare more inherently cbiral calix[4]arenes in ABHH substitution pattern.