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Elementary Steps of Gold Catalysis: NMR Spectroscopy Reveals the Highly Cationic Character of a “Gold Carbenoid”

✍ Scribed by Günter Seidel; Richard Mynott; Alois Fürstner

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 317 KB
Volume: 48
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.200806059

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✦ Synopsis

Abstract

What are you? Even though the metal‐induced ring opening of 3,3‐disubstituted cyclopropenes is known to serve as a genuine carbene generator, the use of Au^I^ in this reaction leads to a reactive intermediate with highly cationic character. This result has important implications for gold catalysis in general, which in the past has been commonly attributed to the intervention of gold carbenes.magnified image

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Elementary Steps of Gold Catalysis: NMR

Elementary Steps of Gold Catalysis: NMR Spectroscopy Reveals the Highly Cationic Character of a “Gold Carbenoid”

✍ Günter Seidel; Richard Mynott; Alois Fürstner 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 317 KB

## Abstract **Was bist Du?** Die metallinduzierte Ringöffnung 3,3‐disubstituierter Cyclopropene liefert bekanntlich Carbene; doch bei der Verwendung von Au^I^ in dieser Reaktion erhält man ein reaktives Intermediat mit deutlich kationischem Charakter. Diese Beobachtung hat große Konsequenzen für di