Ditopic Macropolycyclic Complexes: Synthesis of Hybrid Phthalocyaninoclathrochelates
A remetalation (a capping group exchange) reaction of the boron−antimony-capped iron(II) clathrochelates with zirconium and hafnium(IV) phthalocyanines in CH2Cl2/CH3OH medium afforded the hybrid phthalocyaninoclathrochelates in a practically quantitative yield. The complexes obtained have been chara...
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| Veröffentlicht in: | Inorganic chemistry 2005-02, Vol.44 (4), p.822-824 |
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| container_title | Inorganic chemistry |
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| creator | Voloshin, Yan Z Varzatskii, Oleg A Korobko, Sergey V Chernii, Viktor Y Volkov, Sergey V Tomachynski, Larisa A Pehn'o, Vasilii I Antipin, Mikhail Yu Starikova, Zoya A |
| description | A remetalation (a capping group exchange) reaction of the boron−antimony-capped iron(II) clathrochelates with zirconium and hafnium(IV) phthalocyanines in CH2Cl2/CH3OH medium afforded the hybrid phthalocyaninoclathrochelates in a practically quantitative yield. The complexes obtained have been characterized both on the basis of elemental analysis, PD mass spectrometry, IR, UV−vis, 57Fe Mössbauer, and NMR spectroscopies, and crystallographically. An encapsulated iron(II) ion in an intermediate between a trigonal-prismatic and a trigonal-antiprismatic environment of six nitrogen atoms of the macrobicyclic ligand was found to be in a low-spin state. The cyclic voltammograms show irreversible oxidation and reduction waves assignable to Fe3+/Fe2+ couples of macrobicyclic fragments and to phthalocyanine macrocycles. |
| doi_str_mv | 10.1021/ic048189t |
| format | Article |
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The complexes obtained have been characterized both on the basis of elemental analysis, PD mass spectrometry, IR, UV−vis, 57Fe Mössbauer, and NMR spectroscopies, and crystallographically. An encapsulated iron(II) ion in an intermediate between a trigonal-prismatic and a trigonal-antiprismatic environment of six nitrogen atoms of the macrobicyclic ligand was found to be in a low-spin state. 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Chem</addtitle><date>2005-02-21</date><risdate>2005</risdate><volume>44</volume><issue>4</issue><spage>822</spage><epage>824</epage><pages>822-824</pages><issn>0020-1669</issn><eissn>1520-510X</eissn><abstract>A remetalation (a capping group exchange) reaction of the boron−antimony-capped iron(II) clathrochelates with zirconium and hafnium(IV) phthalocyanines in CH2Cl2/CH3OH medium afforded the hybrid phthalocyaninoclathrochelates in a practically quantitative yield. The complexes obtained have been characterized both on the basis of elemental analysis, PD mass spectrometry, IR, UV−vis, 57Fe Mössbauer, and NMR spectroscopies, and crystallographically. An encapsulated iron(II) ion in an intermediate between a trigonal-prismatic and a trigonal-antiprismatic environment of six nitrogen atoms of the macrobicyclic ligand was found to be in a low-spin state. The cyclic voltammograms show irreversible oxidation and reduction waves assignable to Fe3+/Fe2+ couples of macrobicyclic fragments and to phthalocyanine macrocycles.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>15859252</pmid><doi>10.1021/ic048189t</doi><tpages>3</tpages></addata></record> |
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| title | Ditopic Macropolycyclic Complexes: Synthesis of Hybrid Phthalocyaninoclathrochelates |
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