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Shirahata K, Takashika M, Hirabayashi K, Hasegawa M, Otani H, Yamamoto K, Ie Y, Shimizu T, Aoyagi S, Iyoda M. Reduction of Ethynylenes to Vinylenes in a Macrocyclic π-Extended Thiophene Skeleton Under McMurry Coupling Conditions. J Org Chem 2021; 86:302-309. [PMID: 33290650 DOI: 10.1021/acs.joc.0c02080] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
McMurry coupling is one of the most useful and convenient tools for the preparation of π-conjugated molecules. However, for the synthesis of strained macrocycles containing ethynylene linkages, reduction of ethynylene to vinylene linkage sometimes took place. Especially, for the synthesis of macrocyclic π-extended thiophene hexamers using McMurry coupling of dialdehyde 1 composed of three thienylene, two ethynylene, and two formyl groups, reduction of ethynylenes to vinylenes often takes place to produce unique products in a one-pot procedure, depending on very small steric and electronic effects such as reaction temperature, amounts of titanium reagent, and substituents of thiophene hexamers. The attractive structures and functional properties of reduced thiophene hexamers have been determined using X-ray analysis and OFET measurements.
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Affiliation(s)
- Keigo Shirahata
- Graduate School of Environment and Information Sciences, Yokohama National University, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Masataka Takashika
- Graduate School of Environment and Information Sciences, Yokohama National University, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Kazunori Hirabayashi
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Masashi Hasegawa
- School of Science, Kitasato University, Sagamihara, Kanagawa 252-0373, Japan
| | - Hiroyuki Otani
- Graduate School of Environment and Information Sciences, Yokohama National University, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Keitaro Yamamoto
- The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - Yutaka Ie
- The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - Toshio Shimizu
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Shinobu Aoyagi
- Department of Information and Basic Science, Nagoya City University, Nagoya 467-8501, Japan
| | - Masahiko Iyoda
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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Guo Y, Fan XM, Nie M, Liu HW, Liao DH, Pan XD, Ji YF. Practical Ligand-Free Copper-Catalysed Short-Chain Alkoxylation of Unactivated Aryl Bromides. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500500] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Álvarez R, López V, Mateo C, Medarde M, Peláez R. p,p-Dihydroxydihydrostilbenophanes Related to Antimitotic Combretastatins. Conformational Analysis and Its Relationship to Tubulin Inhibition. J Org Chem 2014; 79:6840-57. [DOI: 10.1021/jo500798r] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Raquel Álvarez
- Laboratorio
de Química Orgánica y Farmacéutica, Facultad
de Farmacia, Universidad de Salamanca, Campus Miguel de Unamuno, E-37007 Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL) and Centro de Investigación de Enfermedades Tropicales de la Universidad de Salamanca (CIETUS), E-37007 Salamanca, Spain
| | - Vilmarí López
- Laboratorio
de Química Orgánica y Farmacéutica, Facultad
de Farmacia, Universidad de Salamanca, Campus Miguel de Unamuno, E-37007 Salamanca, Spain
| | - Carmen Mateo
- Laboratorio
de Química Orgánica y Farmacéutica, Facultad
de Farmacia, Universidad de Salamanca, Campus Miguel de Unamuno, E-37007 Salamanca, Spain
| | - Manuel Medarde
- Laboratorio
de Química Orgánica y Farmacéutica, Facultad
de Farmacia, Universidad de Salamanca, Campus Miguel de Unamuno, E-37007 Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL) and Centro de Investigación de Enfermedades Tropicales de la Universidad de Salamanca (CIETUS), E-37007 Salamanca, Spain
| | - Rafael Peláez
- Laboratorio
de Química Orgánica y Farmacéutica, Facultad
de Farmacia, Universidad de Salamanca, Campus Miguel de Unamuno, E-37007 Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL) and Centro de Investigación de Enfermedades Tropicales de la Universidad de Salamanca (CIETUS), E-37007 Salamanca, Spain
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Álvarez R, Puebla P, Díaz JF, Bento AC, García-Navas R, de la Iglesia-Vicente J, Mollinedo F, Andreu JM, Medarde M, Peláez R. Endowing Indole-Based Tubulin Inhibitors with an Anchor for Derivatization: Highly Potent 3-Substituted Indolephenstatins and Indoleisocombretastatins. J Med Chem 2013; 56:2813-27. [DOI: 10.1021/jm3015603] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Raquel Álvarez
- Laboratorio de Química
Orgánica y Farmacéutica, CIETUS and IBSAL, Facultad
de Farmacia, Universidad de Salamanca,
Campus Miguel de Unamuno, E-37007 Salamanca, Spain
| | - Pilar Puebla
- Laboratorio de Química
Orgánica y Farmacéutica, CIETUS and IBSAL, Facultad
de Farmacia, Universidad de Salamanca,
Campus Miguel de Unamuno, E-37007 Salamanca, Spain
| | | | - Ana C. Bento
- Instituto de Biología Molecular
y Celular del Cáncer, Centro de Investigación del Cáncer, CSIC-Universidad de Salamanca, Campus Miguel de Unamuno,
E-37007 Salamanca, Spain
| | - Rósula García-Navas
- Instituto de Biología Molecular
y Celular del Cáncer, Centro de Investigación del Cáncer, CSIC-Universidad de Salamanca, Campus Miguel de Unamuno,
E-37007 Salamanca, Spain
| | - Janis de la Iglesia-Vicente
- Instituto de Biología Molecular
y Celular del Cáncer, Centro de Investigación del Cáncer, CSIC-Universidad de Salamanca, Campus Miguel de Unamuno,
E-37007 Salamanca, Spain
| | - Faustino Mollinedo
- Instituto de Biología Molecular
y Celular del Cáncer, Centro de Investigación del Cáncer, CSIC-Universidad de Salamanca, Campus Miguel de Unamuno,
E-37007 Salamanca, Spain
| | | | - Manuel Medarde
- Laboratorio de Química
Orgánica y Farmacéutica, CIETUS and IBSAL, Facultad
de Farmacia, Universidad de Salamanca,
Campus Miguel de Unamuno, E-37007 Salamanca, Spain
| | - Rafael Peláez
- Laboratorio de Química
Orgánica y Farmacéutica, CIETUS and IBSAL, Facultad
de Farmacia, Universidad de Salamanca,
Campus Miguel de Unamuno, E-37007 Salamanca, Spain
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Álvarez R, López V, Mateo C, Medarde M, Peláez R. New para-para Stilbenophanes: Synthesis by McMurry Coupling, Conformational Analysis and Inhibition of Tubulin Polymerisation. Chemistry 2011; 17:3406-19. [DOI: 10.1002/chem.201002869] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Indexed: 11/12/2022]
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Mateo C, Alvarez R, Pérez-Melero C, Peláez R, Medarde M. Conformationally restricted macrocyclic analogues of combretastatins. Bioorg Med Chem Lett 2007; 17:6316-20. [PMID: 17889536 DOI: 10.1016/j.bmcl.2007.08.075] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2007] [Revised: 08/30/2007] [Accepted: 08/31/2007] [Indexed: 11/19/2022]
Abstract
New analogues of combretastatins have been evaluated as inhibitors of tubulin polymerization. These compounds present a macrocyclic structure, in which the para positions of the aromatic moieties have been linked by a 5- or 6-atoms chain, in order to produce a conformational restriction. This could contribute to determine the active conformation for these ligands. Such a conformational restriction and/or the steric hindrance makes them less potent inhibitors than the model compound CA-4.
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Affiliation(s)
- Carmen Mateo
- Laboratorio de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Salamanca, Campus Miguel de Unamuno, Salamanca, Spain
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