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


ABSTRACT: Rhodium(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.

PROVIDER: S-EPMC4612373 | BioStudies |

REPOSITORIES: biostudies

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