Reactions of chiral nopinane-annulated diazafluorenone with substituted phenols and naphthols by the action of trifluoromethanesulfonic acid led to spiro products. The structure of the resorcinol derivative was confirmed by X-ray structural analysis.

中文翻译：

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手性螺二氮杂芴的合成

在三氟甲磺酸的作用下，手性正庚烷环化的二氮杂芴酮与取代的苯酚和萘酚的反应产生螺环产物。通过X射线结构分析确认间苯二酚衍生物的结构。