Cobalt and iron metallates as catalysts for cyclization reactions of diynes and triynes: [2+2+2] Cycloaddition vs. Garratt-Braverman reaction

URN to cite this document:: urn:nbn:de:bvb:355-epub-549584
DOI to cite this document:: 10.5283/epub.54958

Baumann, Benedikt N. ; Lange, Helge ; Seeberger, Felix ; Büschelberger, Philipp ; Wolf, Robert

; Hapke, Marko

License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 09 Nov 2023 17:46

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Abstract

Highly reduced anthracene and naphthalene cobaltates and ferrates catalyze the cyclization of diynes and triynes, furnishing expected [2 + 2 + 2] cycloaddition products as well as unexpected annulation products from Garratt-Braverman cyclization reactions. The anionic Cp*Fe-naphthalene complex exclusively catalyzes the latter reaction. The Garratt-Braverman reactions show a large ...