Justus Liebigs Annalen der Chemie

Kleine Kohlenstoff??Ringe, VI. Valenzisomerisierungen von cis??1.2??Divinyl??cycloalkanen

E Vogel, KH Ott, K Gajek

Index: Vogel,E. et al. Justus Liebigs Annalen der Chemie, 1961 , vol. 644, p. 172 - 188

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Citation Number: 27

Abstract

Abstract In der homologen Reihe der cis-1.2-Divinyl-cycloalkane (I) besteht ein qualitativer Zusammenhang zwischen der Umlagerungstendenz in die Cycloolefine III (Cope- Umlagerung) und der Baeyer-Spannung. Während cis-1.2-Divinyl-cyclopropan sich schon unter seinen Bildungsbedingungen zum Cycloheptadien-(1.4) isomerisiert, unterliegt cis-1.2- Divinyl-cyclobutan erst bei 120 der Umlagerung in die entsprechende Achtring- ...

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