1
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De Leener G, Over D, Reinaud O, Jabin I. A 4-state acid-base controlled molecular switch based on a host-guest system. Org Biomol Chem 2023; 21:1172-1180. [PMID: 36504236 DOI: 10.1039/d2ob01994a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
A novel ZnII funnel complex that presents three phenol functions within a calix[6]arene macrocycle is described. Host-guest studies, monitored by 1H NMR spectroscopy, evaluate the impact of the replacement of three anisole moieties present in a previously described system with phenols. It is now shown that the dicationic complex is responsive to anions, whereas deprotonation of one phenol unit completely inhibits any hosting response. These properties, combined with those of the corresponding protonated ligand, allow us to obtain different molecular switches, and one of them shows guest embedment changes between four different host states, thus giving rise to a rare case of a triple molecular switch.
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Affiliation(s)
- Gaël De Leener
- Laboratoire de Chimie Organique, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50 CP160/06, B-1050 Brussels, Belgium. .,Laboratoire de Chimie et de Biochimie Pharmacologiques et Toxicologiques, Université Paris Cité, CNRS UMR 8601, 45 rue des Saints Pères, 75006 Paris, France.
| | - Diana Over
- Laboratoire de Chimie et de Biochimie Pharmacologiques et Toxicologiques, Université Paris Cité, CNRS UMR 8601, 45 rue des Saints Pères, 75006 Paris, France.
| | - Olivia Reinaud
- Laboratoire de Chimie et de Biochimie Pharmacologiques et Toxicologiques, Université Paris Cité, CNRS UMR 8601, 45 rue des Saints Pères, 75006 Paris, France.
| | - Ivan Jabin
- Laboratoire de Chimie Organique, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50 CP160/06, B-1050 Brussels, Belgium.
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2
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Lavendomme R, Desroches F, Moerkerke S, Topić F, Wouters J, Rissanen K, Luhmer M, Jabin I. Selective recognition of small hydrogen bond acceptors by a calix[6]arene-based molecular container. Supramol Chem 2019. [DOI: 10.1080/10610278.2019.1679374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Roy Lavendomme
- Laboratoire de Chimie Organique, Université libre deBruxelles (ULB), Brussels, Belgium
- Laboratoire de Résonance Magnétique Nucléaire Haute Résolution, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Florent Desroches
- Laboratoire de Résonance Magnétique Nucléaire Haute Résolution, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Steven Moerkerke
- Laboratoire de Chimie Organique, Université libre deBruxelles (ULB), Brussels, Belgium
| | - Filip Topić
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, Jyväskylä, Finland
| | - Johan Wouters
- Département de Chimie, Université de Namur (UNamur), Namur, Belgium
| | - Kari Rissanen
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, Jyväskylä, Finland
| | - Michel Luhmer
- Laboratoire de Résonance Magnétique Nucléaire Haute Résolution, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Ivan Jabin
- Laboratoire de Chimie Organique, Université libre deBruxelles (ULB), Brussels, Belgium
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3
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Gómez-Vega J, Moreno-Corral RA, Santacruz Ortega H, Corona-Martínez DO, Höpfl H, Sotelo-Mundo RR, Ochoa-Terán A, Escobar-Picos RE, Ramírez-Ramírez JZ, Juárez-Sánchez O, Lara KO. Anion, cation and ion-pair recognition by bis-urea based receptors containing a polyether bridge. Supramol Chem 2019. [DOI: 10.1080/10610278.2019.1578884] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Jancarlo Gómez-Vega
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, México
| | | | - Hisila Santacruz Ortega
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, México
| | - David Octavio Corona-Martínez
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, México
- Departamento de Ciencias de la Salud, Universidad de Sonora, Campus Cajeme, Cd. Obregón, México
| | - Herbert Höpfl
- Centro de Investigaciones Químicas, Instituto de Investigación en Ciencias Básicas y Aplicadas, Cuernavaca, México
| | - Rogerio R. Sotelo-Mundo
- Laboratorio de Estructura Biomolecular, Centro de Investigación en Alimentación y Desarrollo, Hermosillo, México
| | - Adrián Ochoa-Terán
- Centro de Graduados e Investigación en Química. Tecnológico Nacional de México, Tijuana, México
| | | | | | | | - Karen Ochoa Lara
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, México
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4
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Ganesan K, Heyer M, Ratke L, Milow B. Facile Preparation of Nanofibrillar Networks of “Ureido‐Chitin” Containing Ureido and Amine as Chelating Functional Groups. Chemistry 2018; 24:19332-19340. [DOI: 10.1002/chem.201804405] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Indexed: 01/10/2023]
Affiliation(s)
- Kathirvel Ganesan
- Aerogels and Aerogel CompositesInstitute of Materials ResearchGerman Aerospace Center Linder Hoehe 51147 Cologne Germany
| | - Markus Heyer
- Aerogels and Aerogel CompositesInstitute of Materials ResearchGerman Aerospace Center Linder Hoehe 51147 Cologne Germany
| | - Lorenz Ratke
- Aerogels and Aerogel CompositesInstitute of Materials ResearchGerman Aerospace Center Linder Hoehe 51147 Cologne Germany
| | - Barbara Milow
- Aerogels and Aerogel CompositesInstitute of Materials ResearchGerman Aerospace Center Linder Hoehe 51147 Cologne Germany
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5
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Zhiquan L, Xie H, Border SE, Gallucci J, Pavlović RZ, Badjić JD. A Stimuli-Responsive Molecular Capsule with Switchable Dynamics, Chirality, and Encapsulation Characteristics. J Am Chem Soc 2018; 140:11091-11100. [PMID: 30099876 DOI: 10.1021/jacs.8b06190] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Lei Zhiquan
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Han Xie
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Sarah E. Border
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Judith Gallucci
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Radoslav Z. Pavlović
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Jovica D. Badjić
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
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6
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Brunetti E, Moerkerke S, Wouters J, Bartik K, Jabin I. A selective calix[6]arene-based fluorescent chemosensor for phosphatidylcholine type lipids. Org Biomol Chem 2018; 14:10201-10207. [PMID: 27731470 DOI: 10.1039/c6ob01880g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The development of chemosensors that can selectively detect phosphatidylcholines (PCs) in biological samples is of medical relevance considering the importance of these phospholipids in cell growth and survival. Their selective sensing over phosphatidylethanolamines (PEs) is however a challenging task. We report here on the chemosensing capacities of calix[6]tris-pyrenylurea 1, which is able to selectively interact with phosphatidylcholine-type lipids in organic media. Host 1 also binds them in a biphasic chloroform/water solution, opening the way to the design of selective chemosensors for these lipids in biological media. The results obtained by NMR, fluorescence spectroscopy and modelling studies show that the selectivity is the result of the high degree of complementarity between the lipids' zwitterionic phosphatidylcholine headgroup and the receptor's H-bonding donor site and hydrophobic pocket. The mode of recognition is reminiscent of natural systems, such as human phosphatidylcholine transfer proteins (PC-TPs), validating the biomimetic approach adopted in our work.
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Affiliation(s)
- Emilio Brunetti
- Laboratoire de Chimie Organique, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium. and Engineering of Molecular NanoSystems, Ecole polytechnique de Bruxelles, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP165/64, B-1050 Brussels, Belgium.
| | - Steven Moerkerke
- Laboratoire de Chimie Organique, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium.
| | - Johan Wouters
- Département de Chimie, Université de Namur (UNamur), Rue de Bruxelles 61, B5-5000 Namur, Belgium
| | - Kristin Bartik
- Engineering of Molecular NanoSystems, Ecole polytechnique de Bruxelles, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP165/64, B-1050 Brussels, Belgium.
| | - Ivan Jabin
- Laboratoire de Chimie Organique, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium.
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7
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Moerkerke S, Malytskyi V, Marcélis L, Wouters J, Jabin I. Selective recognition of quaternary ammonium ions and zwitterions by using a biomimetic bis-calix[6]arene-based receptor. Org Biomol Chem 2017; 15:8967-8974. [DOI: 10.1039/c7ob02031g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
A biomimetic bis-calix[6]arene binds cationic and zwitterionic species with a high selectivity for carbamylcholine.
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Affiliation(s)
- Steven Moerkerke
- Laboratoire de Chimie Organique
- Université libre de Bruxelles (ULB)
- B-1050 Brussels
- Belgium
| | - Volodymyr Malytskyi
- Laboratoire de Chimie Organique
- Université libre de Bruxelles (ULB)
- B-1050 Brussels
- Belgium
| | - Lionel Marcélis
- Engineering of Molecular NanoSystems
- Ecole polytechnique de Bruxelles
- Université libre de Bruxelles (ULB)
- B-1050 Brussels
- Belgium
| | - Johan Wouters
- Département de Chimie
- Université de Namur (UNamur)
- B-5000 Namur
- Belgium
| | - Ivan Jabin
- Laboratoire de Chimie Organique
- Université libre de Bruxelles (ULB)
- B-1050 Brussels
- Belgium
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8
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De Silva DNT, Jameson GB, Pannu APS, Pouhet R, Wenzel M, Plieger PG. Piperazine linked salicylaldoxime and salicylaldimine-based dicopper(ii) receptors for anions. Dalton Trans 2016; 44:15949-59. [PMID: 26282391 DOI: 10.1039/c5dt02551f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The syntheses and single crystal X-ray analyses of five strapped salicylaldoxime/salicylaldimine based dicopper(ii) receptors utilising a new piperazine linker are described. The complexes form 2 + 2 metallocycles and the molecular structures of all four complexes possess a small internal cavity with the utilisation of a short piperazine linker. The molecular structures of complexes [Cu2(L(4) - H)(L(4) - 2H) ⊂ DMF]BF4·DMF, and [Cu2(L(4) - H)2Br]Br·1.25DMSO·H2O·MeOH, show that intramolecular H-bonding interactions due to the presence of -OH (oxime moiety) groups lead to a Pacman-like cleft arrangement of the two metal coordinating subunits in the metallo-macrocycle. The geometrical constraints brought about by this constrained cleft make the receptor coordinate strongly to a bromide anion involving both metal centres as evidenced by whereas in the larger tetrafluroborate anion is excluded. Absence of the oxime moiety around the metal coordination site of the ligand as demonstrated in the complexes [Cu2(L(5))2BF4](BF4)3, and [Cu2(L(5))2Br]Br3·2MeOH, resulted in less constrained dicopper(ii) helicate forms. For these complexes no anion size discrimination was observed. The addition of pyridine solvent to a slightly modified piperazine-linked ligand produces an expanded 3 + 3 tube-like tricopper complex [Cu3(L(4a) - H)3Py3](BF4)2·(MeOH)3·PF6·(H2O)3, , with two coordinated pyridine molecules occupying the newly formed cavity.
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Affiliation(s)
- D Nirosha T De Silva
- Institute of Fundamental Sciences, Massey University, Private Bag 11 222, Palmerston North, New Zealand.
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9
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Bregović N, Cindro N, Frkanec L, Tomišić V. Complexation of fluoride anion and its ion pairs with alkali metal cations by tetra-substituted lower rim calix[4]arene tryptophan derivative. Supramol Chem 2016. [DOI: 10.1080/10610278.2016.1154147] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Nikola Bregović
- Faculty of Science, Department of Physical Chemistry, Zagreb, Croatia
| | - Nikola Cindro
- Faculty of Science, Department of Physical Chemistry, Zagreb, Croatia
| | - Leo Frkanec
- Laboratory of Supramolecular and Nucleoside Chemistry, Ruđer Bošković Institute, Zagreb, Croatia
| | - Vladislav Tomišić
- Faculty of Science, Department of Physical Chemistry, Zagreb, Croatia
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10
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Moerkerke S, Wouters J, Jabin I. Selective Recognition of Phosphatidylcholine Lipids by a Biomimetic Calix[6]tube Receptor. J Org Chem 2015; 80:8720-6. [DOI: 10.1021/acs.joc.5b01531] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Steven Moerkerke
- Laboratoire
de Chimie Organique, Université Libre de Bruxelles (ULB), Avenue
F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium
| | - Johan Wouters
- Département
de Chimie, Université de Namur (UNamur), Rue de Bruxelles 61, B-5000 Namur, Belgium
| | - Ivan Jabin
- Laboratoire
de Chimie Organique, Université Libre de Bruxelles (ULB), Avenue
F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium
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11
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Danjou PE, De Leener G, Cornut D, Moerkerke S, Mameri S, Lascaux A, Wouters J, Brugnara A, Colasson B, Reinaud O, Jabin I. Supramolecular Assistance for the Selective Demethylation of Calixarene-Based Receptors. J Org Chem 2015; 80:5084-91. [DOI: 10.1021/acs.joc.5b00464] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pierre-Edouard Danjou
- Laboratoire
de Chimie Organique, Université Libre de Bruxelles (ULB), Avenue
F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium
- Unité
de Chimie Environnementale et Interactions sur le Vivant, EA 4492, Université du Littoral Côte d’Opale, 145 Avenue Maurice Schumann, MREI 1, 59140 Dunkerque, France
| | - Gaël De Leener
- Laboratoire
de Chimie Organique, Université Libre de Bruxelles (ULB), Avenue
F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium
- Laboratoire
de Chimie et de Biochimie Pharmacologiques et Toxicologiques, Université Paris Descartes, Sorbonne Paris Cité, CNRS UMR 8601, 45 rue des Saints Pères, 75006 Paris, France
| | - Damien Cornut
- Laboratoire
de Chimie Organique, Université Libre de Bruxelles (ULB), Avenue
F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium
| | - Steven Moerkerke
- Laboratoire
de Chimie Organique, Université Libre de Bruxelles (ULB), Avenue
F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium
| | - Samir Mameri
- Laboratoire
de Chimie Organique, Université Libre de Bruxelles (ULB), Avenue
F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium
| | - Angélique Lascaux
- Laboratoire
de Chimie Organique, Université Libre de Bruxelles (ULB), Avenue
F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium
| | - Johan Wouters
- Département
de Chimie, Université de Namur (UNamur), Rue de Bruxelles 61, B-5000 Namur, Belgium
| | - Andrea Brugnara
- Laboratoire
de Chimie et de Biochimie Pharmacologiques et Toxicologiques, Université Paris Descartes, Sorbonne Paris Cité, CNRS UMR 8601, 45 rue des Saints Pères, 75006 Paris, France
| | - Benoit Colasson
- Laboratoire
de Chimie et de Biochimie Pharmacologiques et Toxicologiques, Université Paris Descartes, Sorbonne Paris Cité, CNRS UMR 8601, 45 rue des Saints Pères, 75006 Paris, France
| | - Olivia Reinaud
- Laboratoire
de Chimie et de Biochimie Pharmacologiques et Toxicologiques, Université Paris Descartes, Sorbonne Paris Cité, CNRS UMR 8601, 45 rue des Saints Pères, 75006 Paris, France
| | - Ivan Jabin
- Laboratoire
de Chimie Organique, Université Libre de Bruxelles (ULB), Avenue
F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium
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12
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Brunetti E, Inthasot A, Keymeulen F, Reinaud O, Jabin I, Bartik K. Primary amine recognition in water by a calix[6]aza-cryptand incorporated in dodecylphosphocholine micelles. Org Biomol Chem 2015; 13:2931-8. [DOI: 10.1039/c4ob02495h] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A zinc calix[6]azacryptand complex was incorporated into dodecylphosphocholine micelles. This complex can strongly and selectively bind linear primary amines in an aqueous medium.
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Affiliation(s)
- Emilio Brunetti
- Laboratoire de Chimie Organique
- Université libre de Bruxelles (ULB)
- B-1050 Brussels
- Belgium
- Engineering of Molecular NanoSystems
| | - Alex Inthasot
- Laboratoire de Chimie Organique
- Université libre de Bruxelles (ULB)
- B-1050 Brussels
- Belgium
- Laboratoire de Résonance Magnétique Nucléaire Haute Résolution
| | - Flore Keymeulen
- Engineering of Molecular NanoSystems
- Ecole polytechnique de Bruxelles
- Université libre de Bruxelles (ULB)
- B-1050 Brussels
- Belgium
| | - Olivia Reinaud
- Laboratoire de Chimie et de Biochimie Pharmacologiques et Toxicologiques (CNRS UMR 8601)
- Université Paris Descartes
- 75006 Paris
- France
| | - Ivan Jabin
- Laboratoire de Chimie Organique
- Université libre de Bruxelles (ULB)
- B-1050 Brussels
- Belgium
| | - Kristin Bartik
- Engineering of Molecular NanoSystems
- Ecole polytechnique de Bruxelles
- Université libre de Bruxelles (ULB)
- B-1050 Brussels
- Belgium
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13
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Cornut D, Moerkerke S, Wouters J, Bruylants G, Jabin I. A Biomimetic Heteroditopic Receptor for Zwitterions in Protic Media. Chem Asian J 2014; 10:440-6. [DOI: 10.1002/asia.201403082] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Indexed: 12/22/2022]
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14
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Marcos PM, Teixeira FA, Segurado MA, Ascenso JR, Bernardino RJ, Brancatelli G, Geremia S. Synthesis and anion binding properties of new dihomooxacalix[4]arene diurea and dithiourea receptors. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.07.020] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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15
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Rebarz M, Marcélis L, Menand M, Cornut D, Moucheron C, Jabin I, Kirsch-De Mesmaeker A. Revisited photophysics and photochemistry of a Ru-TAP complex using chloride ions and a calix[6]crypturea. Inorg Chem 2014; 53:2635-44. [PMID: 24533637 DOI: 10.1021/ic403024z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The effects of the nonprotonated and protonated calix[6]crypturea 1/1(•)H(+) on the PF6(-) and Cl(-) salts of a luminescent Ru-TAP complex (TAP = 1,4,5,8-tetraazaphenanthrene) were investigated. Thus, the phototriggered basic properties of this complex were examined with 1(•)H(+) in acetonitrile (MeCN) and butyronitrile (BuCN). The Ru excited complex was shown to be able to extract a proton from the protonated calixarene, accompanied by a luminescence quenching in both solvents. However, in BuCN, the Cl(-) salt of the complex exhibited a surprising behavior in the presence of 1/1(•)H(+). Although an emission decrease was observed with the protonated calixarene, an emission increase was evidenced in the presence of nonprotonated 1. As the Cl(-) ions were shown to inhibit the luminescence of the complex in BuCN, this luminescence increase by nonprotonated 1 was attributed to the protection effect of 1 by encapsulation of the Cl(-) anions into the tris-urea binding site. The study of the luminescence lifetimes of the Ru-TAP complex in BuCN as a function of temperature for the PF6(-) and Cl(-) salts in the absence and presence of 1 led to the following conclusions. In BuCN, in contrast to MeCN, in addition to ion pairing, because of the poor solvation of the ions, the luminescent metal-to-ligand charge transfer ((3)MLCT) state could reach two metal-centered ((3)MC) states, one of which is in equilibrium with the (3)MLCT state during the emission lifetime. The reaction of Cl(-) with this latter (3)MC state would be responsible for the luminescence quenching, in agreement with the formation of photosubstitution products.
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Affiliation(s)
- Mateusz Rebarz
- Chimie Organique et Photochimie, Université Libre de Bruxelles , CP 160/08, 50 Avenue Franklin Roosevelt, B-1050 Brussels, Belgium
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16
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Qureshi N, Yufit DS, Steed KM, Howard JAK, Steed JW. Hydrogen bonding effects in anion binding calixarenes. CrystEngComm 2014. [DOI: 10.1039/c4ce01240b] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The interplay of anion binding, intra- and intermolecular hydrogen boning patterns in a range of receptors and sensors for chloride anion are discussed.
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Affiliation(s)
- Naseem Qureshi
- Department of Chemistry
- Karakoram International University
- 15100 Gilgit, Pakistan
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17
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Miranda R, Valencia-Vázquez O, Maya-Vega CA, Nicolás-Vázquez I, Vargas-Rodriguez YM, Morales-Serna JA, García-Ríos E, Salmón M. Synthesis of cycloveratrylene macrocycles and benzyl oligomers catalysed by bentonite under microwave/infrared and solvent-free conditions. Molecules 2013; 18:12820-44. [PMID: 24135939 PMCID: PMC6269697 DOI: 10.3390/molecules181012820] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2013] [Revised: 10/11/2013] [Accepted: 10/11/2013] [Indexed: 11/24/2022] Open
Abstract
Tonsil Actisil FF, which is a commercial bentonitic clay, promotes the formation of cycloveratrylene macrocycles and benzyl oligomers from the corresponding benzyl alcohols in good yields under microwave heating and infrared irradiation in the absence of solvent in both cases. The catalytic reaction is sensitive to the type of substituent on the aromatic ring. Thus, when benzyl alcohol was substituted with a methylenedioxy, two methoxy or three methoxy groups, a cyclooligomerisation process was induced. Unsubstituted, methyl and methoxy benzyl alcohols yielded linear oligomers. In addition, computational chemistry calculations were performed to establish a validated mechanistic pathway to explain the growth of the obtained linear oligomers.
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Affiliation(s)
- René Miranda
- Departamento de Ciencias Químicas, Campo 1, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Av 1o de Mayo s/n, Sta. Ma Las Torres, Cuautitlán Izcalli 54740, Estado de México, Mexico; E-Mails: (O.V.-V.); (C.A.M.-V.); (I.N.-V.); (Y.M.V.-R.)
- Authors to whom correspondence should be addressed; E-Mails: (R.M.); (M.S.); Tel.: +52-55-5622-4405 (M.S.); Fax: +52-55-5616-2217 (M.S.)
| | - Omar Valencia-Vázquez
- Departamento de Ciencias Químicas, Campo 1, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Av 1o de Mayo s/n, Sta. Ma Las Torres, Cuautitlán Izcalli 54740, Estado de México, Mexico; E-Mails: (O.V.-V.); (C.A.M.-V.); (I.N.-V.); (Y.M.V.-R.)
| | - Carlos Abel Maya-Vega
- Departamento de Ciencias Químicas, Campo 1, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Av 1o de Mayo s/n, Sta. Ma Las Torres, Cuautitlán Izcalli 54740, Estado de México, Mexico; E-Mails: (O.V.-V.); (C.A.M.-V.); (I.N.-V.); (Y.M.V.-R.)
| | - Inés Nicolás-Vázquez
- Departamento de Ciencias Químicas, Campo 1, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Av 1o de Mayo s/n, Sta. Ma Las Torres, Cuautitlán Izcalli 54740, Estado de México, Mexico; E-Mails: (O.V.-V.); (C.A.M.-V.); (I.N.-V.); (Y.M.V.-R.)
| | - Yolanda Marina Vargas-Rodriguez
- Departamento de Ciencias Químicas, Campo 1, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Av 1o de Mayo s/n, Sta. Ma Las Torres, Cuautitlán Izcalli 54740, Estado de México, Mexico; E-Mails: (O.V.-V.); (C.A.M.-V.); (I.N.-V.); (Y.M.V.-R.)
| | - José Antonio Morales-Serna
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, México, D.F., Mexico; E-Mails: (J.A.M.-S.); (E.G.-R.)
| | - Eréndira García-Ríos
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, México, D.F., Mexico; E-Mails: (J.A.M.-S.); (E.G.-R.)
| | - Manuel Salmón
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, México, D.F., Mexico; E-Mails: (J.A.M.-S.); (E.G.-R.)
- Authors to whom correspondence should be addressed; E-Mails: (R.M.); (M.S.); Tel.: +52-55-5622-4405 (M.S.); Fax: +52-55-5616-2217 (M.S.)
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Moerkerke S, Le Gac S, Topić F, Rissanen K, Jabin I. Selective Extraction and Efficient Binding in a Protic Solvent of Contact Ion Triplets by Using a Thiourea-Based Bis-Calix[6]arene Receptor. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300639] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Affiliation(s)
- Nicola Y. Edwards
- a Department of Chemistry , Penn State Worthington Scranton , Dunmore , PA , USA
| | - Anthony L. Possanza
- a Department of Chemistry , Penn State Worthington Scranton , Dunmore , PA , USA
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Novel calix[4]arene-based receptors with bis-squaramide moieties for colorimetric sensing of anions via two different interaction modes. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.11.117] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Mokhtari B, Pourabdollah K. Applications of nano-baskets in drug development: high solubility and low toxicity. Drug Chem Toxicol 2012; 36:119-32. [DOI: 10.3109/01480545.2011.653490] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Baker NCA, Fletcher NC, Horton PN, Hursthouse MB. Ruthenium cryptates with an unusual selectivity for nitrate. Dalton Trans 2012; 41:7005-12. [DOI: 10.1039/c2dt12446g] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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