Ruthenium-Catalyzed Addition of Carbon-Hydrogen Bonds in Aromatic Ketones to Olefins. The Effect of Various Substituents at the Aromatic Ring. -The investigations reveal that the ortho C-H bond in acetophenone derivatives can be cleaved and added to (II) in the presence of a Ru-catalyst. Both elect
ChemInform Abstract: Ruthenium-Catalyzed Coupling of Aromatic Carbon—Hydrogen Bonds in Aromatic Imidates with Olefins.
✍ Scribed by Fumitoshi Kakiuchi; Taisuke Sato; Masakazu Yamauchi; Naoto Chatani; Shinji Murai
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 37 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0931-7597
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✦ Synopsis
Ruthenium-Catalyzed Coupling of Aromatic Carbon-Hydrogen Bonds in Aromatic Imidates with Olefins.
-The addition of C-H bonds in aromatic imidates to olefins can be efficiently catalyzed by Ru 3 (CO) 12 . The formation of the expected 1:1 addition products [cf. (III), (VI), (X), (XII)] is accompanied by the unique and interesting formation of dehydrogenative coupling products [cf. (IV), (VII), (XI)], which even become the major products in some cases. A new reaction pathway to the dehydrogenative coupling products involving the intermediacy of a seven-membered ruthenacycle is discussed.
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