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Ring-opening polymerization of cyclic ethers initiated by benzazaphosphole-W(CO) 5 /silver hexafluoroantimonate

2013; Wiley; Volume: 52; Issue: 5 Linguagem: Inglês

10.1002/pola.27047

1099-0518

Mohammed Ghalib, Sergej Lysenko, Peter G. Jones, Joachim Heinicke,

Synthesis and characterization of novel inorganic/organometallic compounds

Journal of Polymer Science Part A: Polymer ChemistryVolume 52, Issue 5 p. 664-670 Article Ring-opening polymerization of cyclic ethers initiated by benzazaphosphole-W(CO)5/silver hexafluoroantimonate Mohammed Ghalib, Mohammed Ghalib Institut für Biochemie (Anorganische Chemie), Ernst-Moritz-Arndt-Universität Greifswald, 17487 Greifswald, GermanySearch for more papers by this authorSergej Lysenko, Sergej Lysenko Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Postfach 3329, 38023 Braunschweig, GermanySearch for more papers by this authorPeter G. Jones, Peter G. Jones Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Postfach 3329, 38023 Braunschweig, GermanySearch for more papers by this authorJoachim W. Heinicke, Corresponding Author Joachim W. Heinicke Institut für Biochemie (Anorganische Chemie), Ernst-Moritz-Arndt-Universität Greifswald, 17487 Greifswald, GermanyCorrespondence to: J. W. Heinicke (E-mail: [email protected])Search for more papers by this author Mohammed Ghalib, Mohammed Ghalib Institut für Biochemie (Anorganische Chemie), Ernst-Moritz-Arndt-Universität Greifswald, 17487 Greifswald, GermanySearch for more papers by this authorSergej Lysenko, Sergej Lysenko Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Postfach 3329, 38023 Braunschweig, GermanySearch for more papers by this authorPeter G. Jones, Peter G. Jones Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Postfach 3329, 38023 Braunschweig, GermanySearch for more papers by this authorJoachim W. Heinicke, Corresponding Author Joachim W. Heinicke Institut für Biochemie (Anorganische Chemie), Ernst-Moritz-Arndt-Universität Greifswald, 17487 Greifswald, GermanyCorrespondence to: J. W. Heinicke (E-mail: [email protected])Search for more papers by this author First published: 18 December 2013 https://doi.org/10.1002/pola.27047Citations: 12Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat ABSTRACT Attempts to prepare mixed M(0)/Ag+ complexes with µ-bridging P ligands by reaction of benzazaphosphole M(CO)5 complexes 1a–e (MW, Mo, Cr) with AgSbF6 in THF lead to rapid ring-opening polymerization of this ether at room temperature and, as shown for 1a/AgSbF6, even at low temperature. Oxetane and epoxides (styrene oxide and cyclohexene oxide) polymerize even more vigorously in the presence of this initiator and require dilution with toluene to control the strongly exothermic reaction. Related P(III)W(CO)5/AgSbF6 systems with Ph3P, (EtO)3P or 2,4,6-triphenyl-phosphinine ligands also initiate the THF polymerization, but less efficiently. Efforts to isolate the initiator complex in other solvents failed because of its high sensitivity to nucleophiles and provided 2a,characterized by crystal structure analysis as the addition product of methanol at 1a, although 1a itself is stable towards MeOH. © 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2014, 52, 664–670 Supporting Information Additional Supporting Information may be found in the online version of this article. 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