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Bromoallenes as Allyl Dication Equivalents in the Absence of Palladium(0): Synthesis of Bicyclic Sulfamides by Tandem Cyclization of Bromoallenes

โœ Scribed by Hisao Hamaguchi; Shohei Kosaka; Hiroaki Ohno; Tetsuaki Tanaka


Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
130 KB
Volume
117
Category
Article
ISSN
0044-8249

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Bromoallenes as Allyl Dication Equivalen
โœ Hisao Hamaguchi; Shohei Kosaka; Hiroaki Ohno; Nobutaka Fujii; Tetsuaki Tanaka ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 365 KB

## Abstract A highly regioselective synthesis of bicyclic sulfamides is described. Based on our recent discovery that bromoallenes can act as allyl dication equivalents in the presence of a palladium catalyst and alcohol, we investigated tandem cyclization of bromoallenes bearing a sulfamide group.