Divergent Reactivity of Rhodium(I) Carbenes Derived from Indole Annulations

Publisher： John Wiley & Sons Inc

E-ISSN： 1521-3773|54|44|12905-12908

ISSN： 1433-7851

Source： ANGEWANDTE CHEMIE INTERNATIONAL EDITION, Vol.54, Iss.44, 2015-10, pp. : 12905-12908

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Abstract

AbstractRhodium(I) carbenes were generated from propargylic alcohol derivatives as the result of a dehydrative indole annulation. Depending on the choice of the electron‐withdrawing group on the aniline nitrogen nucleophile, either a cyclopropanation product or dimerization product was obtained chemoselectively. Intramolecular hydroamidation occurred for the same type of propargylic alcohol derivatives when other transition‐metal catalysts were employed.

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