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Predictable and Regioselective Insertion of Internal Unsymmetrical Alkynes in Rhodium-Catalyzed Cycloadditions with Alkenyl Isocyanates

A regioselective, rhodium-catalyzed cycloaddition between a variety of internal, unsymmetrical alkynes is described. We document the impact of both steric and electronic properties of the alkyne on reaction course, efficiency and enantioselectivity. The substituent that better stabilizes a positive...

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Autors principals: Friedman, Rebecca Keller, Rovis, Tomislav
Format: Artigo
Idioma:Inglês
Publicat: 2009
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Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC2737069/
https://ncbi.nlm.nih.gov/pubmed/19569692
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ja903899c
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