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Palladium Catalyzed [2 + 2 + 1] Intramolecular Cycloaddition for the Preparation of Bicyclo[3.3.0]octa-1.5-dien-3-ones from 1,6-Diynes.

โœ Scribed by Ronald Grigg; Lixin Zhang; Simon Collard; Ann Keep


Publisher
John Wiley and Sons
Year
2003
Weight
87 KB
Volume
34
Category
Article
ISSN
0931-7597

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Rhodium(I)-Catalyzed Intramolecular Carb
โœ Fuyuhiko Inagaki; Syu Narita; Takuma Hasegawa; Shinji Kitagaki; Chisato Mukai ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 329 KB

## Abstract **No templates needed**: The title reaction makes it easy to construct the bicyclo[6.3.0]undecadienone framework in high yields (see scheme). A template effect is not required to achieve this ringโ€closing reaction efficiently. The present method can be applied to the construction of bic