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Synthesis 1998; 1998(2): 171-174
DOI: 10.1055/s-1998-2015
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Efficient Synthesis and Coupling Reactions of (2-Ethynyl-5,10,15,20-tetraphenylporphyrinato)zinc(II)

Burkhard König* , Harald Zieg
  • *Institut für Organische Chemie der Technischen Universität Braunschweig, Hagenring 30, D-38106 Braunschweig, Germany; Fax + 49(5 31)3 91 53 88; E-mail: B.KOENIG@tu-bs.de
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Publication Date:
31 December 2000 (online)

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The title compound 3 was obtained in good yield by a two step synthesis starting from 2-formyl-5,10,15,20-tetraphenylporphyrin (1). Palladium-catalyzed coupling reactions of the alkyne moiety with iodoarenes proceed well, rendering 3 a suitable building block for the synthesis of photoactive oligoporphyrin arrays.

porphyrins - alkynes - Corey-Fuchs reaction - palladium-catalyzed coupling - light harvesting systems