Download Anion Recognition in Supramolecular Chemistry by Brett M. Rambo, Eric S. Silver (auth.), Philip A. Gale, Wim PDF

By Brett M. Rambo, Eric S. Silver (auth.), Philip A. Gale, Wim Dehaen (eds.)

Brett M. Rambo ∙ Eric S. Silver ∙ Christopher W. Bielawski ∙ Jonathan L. Sessler Covalent Polymers Containing Discrete Heterocyclic Anion Receptors Philip A. Gale ∙ Chang-Hee Lee Calix[n]pyrroles as Anion and Ion-Pair Complexants Wim Dehaen Calix[n]phyrins: Synthesis and Anion attractiveness Hiromitsu Maeda Acyclic Oligopyrrolic Anion Receptors Jeffery T. Davis Anion Binding and delivery by way of Prodigiosin and Its Analogs Hemraj Juwarker ∙ Jae-min Suk ∙ Kyu-Sung Jeong Indoles and similar Heterocycles Pavel Anzenbacher Jr. Pyrrole-Based Anion Sensors, half I: Colorimetric Sensors Pavel Anzenbacher Jr. Pyrrole-Based Anion Sensors, half II: Fluorescence, Luminescence, and Electrochemical Sensors Ermitas Alcalde ∙ Immaculada Dinarès ∙ Neus Mesquida Imidazolium-Based Receptors Nathan L. Kilah ∙ Paul D. Beer Pyridine and Pyridinium-Based Anion Receptors Kevin P. McDonald ∙ Yuran Hua ∙ Amar H. Flood 1,2,3-Triazoles and the increasing application of cost impartial CHlllAnion Interactions

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A. -H. A. -H. Lee Abbreviation NMR Nuclear magnetic resonance 1 Introduction Calix[4]pyrroles (meso-octaalkylporphyrinogens) are a class of tetrapyrrolic macrocycle first synthesized in the late nineteenth century by Baeyer via the acid (HCl)-catalysed condensation of pyrrole and acetone [1]. Contemporaneously with Bayer, Dennstedt and Zimmermann studied this reaction using ‘Chlorzink’ as the acid catalyst [2–4]. The structure of the molecule was correctly assigned by Chelintzev and Tronov in 1916 [5–7] as a cyclic tetramer consisting of four pyrrole rings linked in the 2- and 5-positions by sp3-hybridized carbon atoms.

40 2 Synthesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3 Anion and Ion-Pair Complexation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 4 Strapped Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 5 Extraction and Transport . . .

Earlier in this chapter, polymer matrices containing calix[n]pyrrole, and derivatives thereof, were described. These materials not only represent a creative approach to ISE development, but also are exemplary of initial progress in the development of polymers containing neutral anion receptors. , alteration of polymer type, cross-linking, or monomer loading levels). Early progress in this field is represented by two sets of resins prepared by Kaledkowski [62, 63]. In the first of these, calix[4]pyrrole (45) and calix[4]pyrrole [2]thiophene (47) were attached to cross-linked vinylbenzene chloride/divinylbenzene copolymer beads.

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