Preparation and X-ray structure of the 8a-azonia-3,4-diazaphenanthrene cation

Journal of the Chemical Society D: Chemical Communications Pub Date: DOI: 10.1039/C2971000426B

Abstract

Summary cis-3,4-Dichlorocyclobutene reacts with 3,6-di-(2-pyridyl)-s-tetrazine in refluxing chlorobenzene to yield a new bridgehead nitrogen ring system, the 8a-azonia-3,4-diazaphenanthrene cation, the structure of which was confirmed by X-ray analysis.

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