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Rh(III)-Catalyzed Annulation of Boc-Protected Benzamides with Diazo Compounds: Approach to Isocoumarins.


ABSTRACT: A mild rhodium-catalyzed annulation of Boc-protected benzamides with diazo compounds via C-C/C-O bond formation has been explored. In the presence of [Cp*RhCl?]?, AgSbF? and Cs?CO?, Boc-protected benzamides can be effectively annulated to yield isocoumarins in 0.5?2 h.

SUBMITTER: Dong G 

PROVIDER: S-EPMC6429621 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Rh(III)-Catalyzed Annulation of Boc-Protected Benzamides with Diazo Compounds: Approach to Isocoumarins.

Dong Guangyu G   Li Chunpu C   Liu Hong H  

Molecules (Basel, Switzerland) 20190307 5


A mild rhodium-catalyzed annulation of Boc-protected benzamides with diazo compounds via C-C/C-O bond formation has been explored. In the presence of [Cp*RhCl₂]₂, AgSbF₆ and Cs₂CO₃, Boc-protected benzamides can be effectively annulated to yield isocoumarins in 0.5⁻2 h. ...[more]

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