Porphotetramethenes with 1,3-alternate conformation of pyrrole rings from oxidative N-alkylation of porphyrin tetraphenols

Eduard Dolusic, Suzanne Toppet, Stefan Smeets, Luc Van Meervelt, Bernard Tinant, Wim Dehaen

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Abstract

Tetrapyrrole macrocycles, of which the pyrroles are connected by sp2 centers, were readily obtained from porphyrin tetraphenols by air oxidation under basic conditions, followed by N-alkylation. The degree of N-alkylation could be controlled and either di- or tetraalkylated derivatives are obtained in high yields.
Original languageEnglish
Pages (from-to)395-400
Number of pages6
JournalTetrahedron
Volume59
Issue number3
DOIs
Publication statusPublished - 2003

Keywords

  • porphotetramethenes
  • alkylation
  • meso-tetrakis

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