Nitrogen bridgehead compounds part 21. Preparation of new quaternary 2,3a,6a-triazaphenalenium salts |
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| Authors: | István Bitter Béla Pete István Hermecz Gábor Tóth Kálmán Simon Mátyás Czugler Zoltán Mészáros |
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| Institution: | 1. Technical University, Department of Organic Chemistry and Technology, H-111 Budapest, Hungary;2. NMR Laboratory of the Institute for General and Analytical Chemistry, H-111 Budapest Hungary;3. CHINOIN Pharmaceutical and Chemical Works, H-1325 Budapest POB. 110, Hungary, c Central Research Institute of Chemistry, Hungarian Academy of Sciences, Budapest-114, POB. 17, H-1525 Hungary |
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| Abstract: | The first representatives of a new ring system, the 2,3a,6a-triazaphenalenium quaternary salts are prepared by the cycloaddition of tetrahydro-4H-pyrido1,2-a] pyrimidin-4-ones containing an α-chloroenamine moiety with azomethines. |
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