A platinum-catalyzed annulation reaction leading to medium-sized rings

Literature Information

Publication Date 2006-04-25
DOI 10.1039/B602498J
Impact Factor 6.222
Authors

Dirk Hildebrandt, Wiebke Hüggenberg, Matthias Kanthak, Tobias Plöger, Iris M. Müller, Gerald Dyker


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Abstract

A platinum-catalyzed domino process with intermediate benzopyrylium cations reaches its optimum utility in the formation of 7- and 8-membered rings. With iron(III) chloride, a tetracyclic product is isolated, derived from an oxidative transformation of a metal–carbene intermediate.

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