Notizen/Notes Selective Alkylations of Tricyclic Pyrrolo‐ and Pyridazino‐as‐Triazines1). – A Novel Evidence of the Importance of the Lone‐Pair Densities

Zsuzsanna Juh´az‐Riedl, György Hajóas, Eszter G´acs‐Baitz, Andŕas Messmer, Gert Kollenz

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9 Citations (Scopus)


Methylation of 2, 3, and 4 obtained by ring transformations of 1 gives selectively 5, 6, and 7, respectively. These regiospecific electrophilic attacks are interpreted by a modified application of the FMO theory involving consideration of the in‐plane lone electron pairs of the ring nitrogens.

Original languageEnglish
Pages (from-to)1477-1479
Number of pages3
JournalChemische Berichte
Issue number6
Publication statusPublished - Jan 1 1991



  • Alkylations
  • Lone electron pair density
  • as‐Triazinium salts, fused

ASJC Scopus subject areas

  • Chemistry(all)

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