Vom "criss-cross"-Schema abweichende Cycloadditionsreaktionen an das Azin-System [1] Zum Cycloadditionsverhalten von Hexafluoracetonazin gegenüber N.N-Dialkyl-cyanamiden [2] / Cycloaddition Reactions of Azines Violating the "criss-cross" Cycloaddition Scheme [1] Cycloaddition Behaviour of Hexafluoroacetone Azine towards N,N-Dialkyl-cyanamides [2]

Depending upon the molar ratio of the educts and the reaction conditions used, hexa-fluoroacetone azine (1) reacts with N,N-dialkyl-cyanamides (2) to give 3,4,6-triazaocta-2,4,6-trienes (6) and/or 4,4-bis(trifluoromethyl)-1,4-dihydro-1,3,5-triazines (7). Cyclo-addition reactions of 6 with tert-butyl...

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Published inZeitschrift für Naturforschung. B, A journal of chemical sciences Vol. 37; no. 3; pp. 361 - 367
Main Authors Burger, Klaus, Hein, Friedrich, Firl, Joachim
Format Journal Article
LanguageEnglish
Published Verlag der Zeitschrift für Naturforschung 01.03.1982
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Abstract Depending upon the molar ratio of the educts and the reaction conditions used, hexa-fluoroacetone azine (1) reacts with N,N-dialkyl-cyanamides (2) to give 3,4,6-triazaocta-2,4,6-trienes (6) and/or 4,4-bis(trifluoromethyl)-1,4-dihydro-1,3,5-triazines (7). Cyclo-addition reactions of 6 with tert-butyl isocyanide and 1-diethylamino(propine) are de-scribed. IR, H, F, and C NMR data of the new compounds are discussed.
AbstractList Abstract Depending upon the molar ratio of the educts and the reaction conditions used, hexa-fluoroacetone azine (1) reacts with N,N-dialkyl-cyanamides (2) to give 3,4,6-triazaocta-2,4,6-trienes (6) and/or 4,4-bis(trifluoromethyl)-1,4-dihydro-1,3,5-triazines (7). Cyclo-addition reactions of 6 with tert-butyl isocyanide and 1-diethylamino(propine) are de-scribed. IR, 1 H, 19 F, and 13 C NMR data of the new compounds are discussed.
Depending upon the molar ratio of the educts and the reaction conditions used, hexa-fluoroacetone azine (1) reacts with N,N-dialkyl-cyanamides (2) to give 3,4,6-triazaocta-2,4,6-trienes (6) and/or 4,4-bis(trifluoromethyl)-1,4-dihydro-1,3,5-triazines (7). Cyclo-addition reactions of 6 with tert-butyl isocyanide and 1-diethylamino(propine) are de-scribed. IR, H, F, and C NMR data of the new compounds are discussed.
Author Firl, Joachim
Hein, Friedrich
Burger, Klaus
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StartPage 361
SubjectTerms Cycloaddition Reactions
Long Range Coupling 9JFF
Trifluoromethyl Substituted Heterocyclic Systems
Title Vom "criss-cross"-Schema abweichende Cycloadditionsreaktionen an das Azin-System [1] Zum Cycloadditionsverhalten von Hexafluoracetonazin gegenüber N.N-Dialkyl-cyanamiden [2] / Cycloaddition Reactions of Azines Violating the "criss-cross" Cycloaddition Scheme [1] Cycloaddition Behaviour of Hexafluoroacetone Azine towards N,N-Dialkyl-cyanamides [2]
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