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Synthesis 1990; 1990(4): 352-356
DOI: 10.1055/s-1990-26876
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Synthese und Reaktionsverhalten von 5-Azido-4-trifluormethyl-1,3-azolen

Klaus Burger* , Klaus Geith, Eva Höß
  • *Institut für Organische Chemie der Technischen Universität München, Lichtenbergstraße 4, D-8046 Garching bei München, Federal Republic of Germany
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Publication Date:
17 September 2002 (online)

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Synthesis and Reaction Behavior of 5-Azido-4-trifluoromethyl-1,3-azoles 5-Azido-4-trifluoromethyl-1,3-azoles 6, 7 are obtained from 5-fluoro-4-trifluoromethyl-1,3-azoles 4, 5. While 5-azido-4-trifluoromethyl-1,3-thiazoles 7 show the typical reaction pattern of azides, the corresponding 1,3-oxazoles 6 are thermolabile and decompose already at room temperature to give 4-cyano-4-trifluoromethyl-1-oxa-3-azabuta-1,3-dienes 14, a new class of hetero-1,3-dienes, in high yields.