"Z(AV0Z40500505)" . . "In addition to well-known complexes of tetraethyl p-tert-butylcalix[4]arene tetraacetate with alkali metal cations, an equimolar complex of this compound with H3O+ was found to be formed in acetonitrile. The formation is slow but has a very high equilibrium constant, the value of which is beyond the possibilities of exact determination by NMR."@en . "1321;1326" . "Polish Journal of Chemistry" . . "NMR evidence for protonated tetraethyl p-tert-butylcalix[4]arene tetracacetate"@en . . "PL - Polsk\u00E1 republika" . "[F9DB334FDA0F]" . "In addition to well-known complexes of tetraethyl p-tert-butylcalix[4]arene tetraacetate with alkali metal cations, an equimolar complex of this compound with H3O+ was found to be formed in acetonitrile. The formation is slow but has a very high equilibrium constant, the value of which is beyond the possibilities of exact determination by NMR." . "NMR evidence for protonated tetraethyl p-tert-butylcalix[4]arene tetracacetate" . "K\u0159\u00ED\u017E, Jaroslav" . "Va\u0148ura, P." . "Makrl\u00EDk, E." . "NMR evidence for protonated tetraethyl p-tert-butylcalix[4]arene tetracacetate" . "0137-5083" . . "Protonovan\u00FD tetraethyl p-tert-butylcalix[4]aren tetracet\u00E1t \u2013 d\u016Fkaz pomoc\u00ED NMR"@cs . "Dybal, Ji\u0159\u00ED" . "RIV/61389013:_____/07:00089653!RIV08-AV0-61389013" . . "NMR evidence for protonated tetraethyl p-tert-butylcalix[4]arene tetracacetate"@en . "RIV/61389013:_____/07:00089653" . . . . . . . "6"^^ . . . . "2"^^ . "7" . "81" . "4"^^ . "437394" . . "Bylo nalezeno, \u017Ee p-tert-butylcalix[4]aren tetraacet\u00E1t krom\u011B zn\u00E1m\u00FDch komplex\u016F s kationty alkalick\u00FDch kov\u016F tvo\u0159\u00ED v acetonitrilu ekvimol\u00E1rn\u00ED komplex H3O+. Tvorba komplexu je pomal\u00E1, ale prob\u00EDh\u00E1 s velmi vysokou rovnov\u00E1\u017Enou konstantou, kter\u00E1 je mimo mo\u017Enost p\u0159esn\u00E9ho stanoven\u00ED pomoc\u00ED NMR."@cs . . "Protonovan\u00FD tetraethyl p-tert-butylcalix[4]aren tetracet\u00E1t \u2013 d\u016Fkaz pomoc\u00ED NMR"@cs . . "calix[4]arene; protonation; NMR; acetonitrile"@en .