Syntheses and dynamic behavior of chiral heptalenes.

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概要

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• Cycloaddition reactions of azulenes with dimethyl acetylenedicarboxylate afford an excellent access to a large variety of substituted dimethyl 1,2-heptalenedicarboxylates. These can be converted into various methylheptalenes, which proved to be remarkably stable. This allowed for the first time a separation of the bond shift isomers as well as an optical resolution of derivatives of this axial chiral 12π-electron system. Kinetic studies of bond shifting and ring inversion provide information on the transition states of these dynamic processes.

• 公益社団法人 日本化学会の論文

著者

• Hafner Klaus

  Institut für Organische Chemie der Technischen Hochschule Darmstadt

関連論文

• Syntheses and dynamic behavior of chiral heptalenes.

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