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NbCl5/Zn/PCy3-System-Catalyzed Intramolecular [2 + 2 + 2] Cycloadditions of Diynes and Alkenes To Form Bicyclic Cyclohexadienes.
Keisuke Watanabe, Yasushi Satoh, Motofumi Kamei, Hirohisa Furukawa, Maito Fuji, Yasushi Obora
Organic letters 2017 Oct 06Sizes of these terms reflect their relevance to your search.
A NbCl5, Zn, and PCy3 catalytic system that generated low-valent Nb species is used for the synthesis of bicyclic cyclohexadienes from diynes and simple alkenes. A phosphine ligand is important for stabilizing low-valent Nb in the cycloaddition. The bicyclic cyclohexadiene skeleton is important in transition-metal-catalyzed intramolecular cycloadditions.
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Keisuke Watanabe, Yasushi Satoh, Motofumi Kamei, Hirohisa Furukawa, Maito Fuji, Yasushi Obora. NbCl5/Zn/PCy3-System-Catalyzed Intramolecular [2 + 2 + 2] Cycloadditions of Diynes and Alkenes To Form Bicyclic Cyclohexadienes. Organic letters. 2017 Oct 06;19(19):5398-5401
PMID: 28910119
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