Palladium-catalyzed intramolecular cyanoboration of allenes leading to the regioselective synthesis of β-cyanoallylboranes

✍ Scribed by Akihiko Yamamoto; Yuto Ikeda; Michinori Suginome

• Publisher: Elsevier Science
• Year: 2009
• Tongue: French
• Weight: 381 KB
• Volume: 50
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/j.tetlet.2009.01.025

✦ Synopsis

Inter-and intramolecular addition of the boron-cyanide bond of cyanoboranes across a carbon-carbon double bond of allenes proceeded in the presence of palladium catalysts, affording allylboranes that bear a cyano group at the b-position regioselectively.