A remarkable side-product from the synthesis of an octaalkylphthalocyanine: formation of a tetrabenzotriazaporphyrin

Chem Commun (Camb). 2005 Feb 21:(7):930-2. doi: 10.1039/b414820g. Epub 2004 Dec 17.

Abstract

1,4,8,11,15,18,22,25-Octahexyl-29H,31H-tetrabenzo[b,g,l,q][5,10,15]triazaporphyrin has been isolated as the main side product in the preparation of 1,4,8,11,15,18,22,25-octahexylphthalocyanine via a lithium pentyloxide induced cyclotetramerisation of 3,6-dihexylphthalonitrile.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Crystallography, X-Ray
  • Magnetic Resonance Spectroscopy / methods
  • Models, Molecular
  • Molecular Structure
  • Porphyrins / chemical synthesis*
  • Porphyrins / chemistry
  • Porphyrins / isolation & purification
  • Sensitivity and Specificity

Substances

  • 1,4,8,11,15,18,22,25-octahexyl-29H,31H-tetrabenzo(b,g,l,q)(5,10,15)triazaporphyrin
  • 1,4,8,11,15,18,22,25-octahexylphthalocyanine
  • Porphyrins