Department of Chemistry, Organic Synthesis Group, Karl-Franzens-University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria;
作者
Wolfgang Stadlbauer;
摘要
4-Chloro-3-nitro-2-pyridines 3 and 10, obtained from 4-hydroxy-2-pyridones 1 and 8 after nitration and chlorination, gave with sodium azide 4-azido-3-nitropyridines 4 and 11, which cyclized on thermolytsis to furoxans 6 and 12. Desoxygenation of the furoxan 6 with triphenylphosphane gave the furazan 7. Thermal decomposition conditions of the azide 4 and the desoxygenation reaction of 6 to 7 were studied by differential scanning calorimetry (DSC).
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正文
Wolfgang Stadlbauer; Department of Chemistry, Organic Synthesis Group, Karl-Franzens-University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria; journal of heterocyclic chemistry.; V.37 N.5 2000; 1253-1256
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