Synthesis of spiroindolenines by intramolecular ipso-iodocyclization of indol ynones
Chemical Communications2018Vol. 54(29), pp. 3625–3628
Citations Over TimeTop 10% of 2018 papers
Abstract
A high-yielding fast spirocyclization of easily available indol ynones has been developed by applying N-iodosuccinimide. The formation of the desired product occurs in an atom-economical way, under mild conditions, instantly after the addition of the reagent. The expected 1,2-rearrangement was not observed. The procedure represents a metal free spirocyclization of indoles with an opportunity for further functionalizations.
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