Journal ArticleDOI
Synthesis of new bis-calix[4]arenes with imine linkages. A search for new silver-selective sensors
Manoj Kumar,Rakesh Kumar Mahajan,Vandana Sharma,Harminder Singh,Neerja Sharma,Inderpreet Kaur +5 more
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In this article, a series of new bis-calix[4]arenes with imine units was synthesized by using a simple condensation procedure, and two of them were tested as sensors in solid-state electrodes.About:
This article is published in Tetrahedron Letters.The article was published on 2001-07-30. It has received 46 citations till now. The article focuses on the topics: Imine.read more
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Ion and Molecular Recognition by Lower Rim 1,3-Di-conjugates of Calix[4]arene as Receptors
Roymon Joseph,Chebrolu P. Rao +1 more
Journal ArticleDOI
Structure-stability correlations for imine formation in aqueous solution
TL;DR: In this paper, a linear equation correlating logarithms of imine formation constants with pKa and HOMO energies of amines and LUMO energy of aldehydes is proposed.
Journal ArticleDOI
A mercury(II) ion-selective electrode based on neutral salicylaldehyde thiosemicarbazone.
TL;DR: A new ion-selective PVC membrane electrode based on salicylaldehyde thiosemicarbazone as an ionophore is developed successfully as sensor for mercury(II) ions and shows excellent potentiometric response characteristics.
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Lower rim 1,3-di{bis(2-picolyl)}amide derivative of calix[4]arene (L) as ratiometric primary sensor toward Ag + and the complex of Ag + as secondary sensor toward cys: experimental, computational, and microscopy studies and INHIBIT logic gate properties of L
TL;DR: A structurally characterized lower rim 1,3-di{bis(2-picolyl)}amide derivative of calix[4]arene (L) exhibits high selectivity toward Ag(+) by forming a 1:1 complex, among nine other biologically important metal ions, as studied by fluorescence, absorption, and (1)H NMR spectroscopy.
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Silver ion-selective electrodes employing Schiff base p-tert-butyl calix[4]arene derivatives as neutral carriers
TL;DR: In this article, the potentiometric response characteristics and selectivity properties of polyvinylchloride (PVC) matrix membrane ion-selective electrodes for silver(I) ion, based on Schiff base p-tert-butyl calix[4]arene derivatives containing N and O as binding sites, were examined.
References
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Carrier-based ion-selective electrodes and bulk optodes. 2. Ionophores for potentiometric and optical sensors
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Novel Cavity Design Using Calix[n]arene Skeletons: Toward Molecular Recognition and Metal Binding.
Atsushi Ikeda,Seiji Shinkai +1 more
TL;DR: Novel strategies for cavity design using calix[n]arene skeletons, strategies that are intended to allow complexation of specific molecular targets or metal ions are described.
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Synthesis and Characterization of Novel Acyclic, Macrocyclic, and Calix[4]arene Ruthenium(II) Bipyridyl Receptor Molecules That Recognize and Sense Anions
Fridrich Szemes,Dusan Hesek,Zheng Chen,Simon W. Dent,Michael G. B. Drew,Alistair J. Goulden,Andrew R. Graydon,Alan Grieve,Roger J. Mortimer,Trevor J. Wear,John S. Weightman,Paul D. Beer +11 more
TL;DR: In this article, the Lewis acidic redox-active and photoactive ruthenium(II) bipyridyl moiety in combination with amide (CO−NH) groups was incorporated into acyclic, macrocyclic, and lower rim calix[4]arene structural frameworks to produce a new class of anion receptor with the dual capability of sensing anionic guest species via electrochemical and optical methodologies.
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Head-to-Head Linked Double Calix[4]arenes: Convenient Synthesis and Complexation Properties
Oliver Struck,Lysander A. J. Chrisstoffels,Ronny J.W. Lugtenberg,Willem Verboom,Gerrit J. van Hummel,Sybolt Harkema,David N. Reinhoudt +6 more
TL;DR: The novel, highly preorganized receptor molecules complex silver(I) ions (K(ass) = 9.5 x 10(5) M(-)(1) in CDCl(3)); the selectivity of complexation was studied by supported liquid membrane transport experiments and chemically modified field effect transistor measurements.
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Synthesis and Protonation Behavior of 26-Membered Oxaaza and Polyaza Macrocycles Containing Two Heteroaromatic Units of 3,5-Disubstituted Pyrazole or 1-Benzylpyrazole. A Potentiometric and 1H and 13C NMR Study
Vicente J. Arán,Manoj Kumar,José Molina,Laurent Lamarque,Pilar Navarro,E. Garcia‐Espana,José A. Ramírez,Santiago V. Luis,Beatriz Escuder +8 more
TL;DR: The synthesis and acid base behavior of two series of 26-membered dioxatetraamine and hexaamine heterocyclophanes containing two nuclei of either pyrazole (4a and 6a) or 1-benzylpyrazole(4b and 6b), respectively, are reported in this paper.