Spiro-Annelated
Zn-Phthalocyanine: A Novel Building Block for Molecular Architecture?

Herwig J. Berthold; Joachim Thiem; Andrea Zaliani; Theo Schotten

doi:10.1055/s-0030-1258209

PAPER

Spiro-Annelated Zn-Phthalocyanine: A Novel Building Block for Molecular Architecture?

Herwig J. Berthold^a, Joachim Thiem^a, Andrea Zaliani^b, Theo Schotten*^c
^a University of Hamburg, Department of Chemistry, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany
^b ZBH Zentrum für Bioinformatik, Bundesstr. 43, 20146 Hamburg, Germany
^c CAN GmbH, Grindelallee 117, 20146 Hamburg, Germany
Fax: +49(40)428385797; e-Mail: schotten@can-hamburg.de;

Abstract

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Abstract

The de novo synthesis of an aromatic system via [2+2+2] alkyne cyclotrimerization provided access to a fluorenyl spiro-annelated phthalic anhydride derivative. Its exceptional rigidity - originating from the orthogonally attached fluorenyl moiety - was confirmed by single-crystal X-ray analysis. The anhydride was used successfully as a precursor for the synthesis of a novel class of orthogonal spiro-annelated Zn-phthalocyanine, which has the potential to be used as a core for molecular architecture.

Key words

alkynes - rhodium - Wilkinson’s catalyst - cyclotrimerization - spiro compounds - phthalocyanines

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Referenzen

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