Nitrogen bridgehead compounds part 12. The reaction of the ethyl 6-methyl-4--oxo-6,7,8,9-tetrahydro-4h-pyrido [1,2-a]pyrimidine-3-carboxylate with iminium chlorides.

István Hermecz, István Bitter, Ágnes Horváth, Gábor Tóth, Zoltán Mészáros

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Abstract

The 9-formyl- and 9-ester derivatives /5,9/ can easily be prepared from the title pyrido [1,2-a]pyrimidine /1/ with iminium chlorides /2a,b/ via the 9-/dimethyliminium-methyl/-derivatives /3,6/.

Original languageEnglish
Pages (from-to)2557-2558
Number of pages2
JournalTetrahedron Letters
Volume20
Issue number27
DOIs
Publication statusPublished - 1979

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ASJC Scopus subject areas

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry

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