Trifluormethyl-substituierte Germanium-Heterocyclen durch [4+1]-Cycloaddition / Trifluoromethyl Substituted Germanium Heterocycles via [4+1] Cycloaddition Reactions

Formation of partially fluorinated imidazoles 6 from 4,4-bis(trifluoromethyl)-1,3-diazabuta-1,3-dienes 1 in the presence of low-valent metal compounds is shown to proceed via a [4+1] cycloadduct in the case of germanium(II)-chloride. The resulting germole 3 has been characterized by X-ray analysis....

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Veröffentlicht in:	Zeitschrift für Naturforschung. B, A journal of chemical sciences A journal of chemical sciences, 1995-02, Vol.50 (2), p.289-293
Hauptverfasser:	Karsch, Hans H., Bienlein, Fritz, Heckei, Maximilian, Steigeimann, Oliver, Burger, Klaus, Cyrener, Jörg
Format:	Artikel
Sprache:	eng
Schlagworte:	2,2-Dichloro-3,3-bis(trifluoromethyl)-2,3- dihydro-1 H-1,4,2-diazagermoles 4,4-Bis(trifluoromethyl)-1,3-diazabuta-1,3-dienes 5-Fluoro-4-trifluoromethylimidazoles
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Beschreibung
Zusammenfassung:	Formation of partially fluorinated imidazoles 6 from 4,4-bis(trifluoromethyl)-1,3-diazabuta-1,3-dienes 1 in the presence of low-valent metal compounds is shown to proceed via a [4+1] cycloadduct in the case of germanium(II)-chloride. The resulting germole 3 has been characterized by X-ray analysis. The five-membered ring is planar and the germanium atom adopts tetrahedral configuration.
ISSN:	0932-0776 1865-7117
DOI:	10.1515/znb-1995-0224