Is the halogen–metal exchange faster than deprotonation in the reaction of ortho-carboranyl aryl bromide with butyllithium?

✍ Scribed by Mouad Lamrani; Ryo Hamasaki; Yoshinori Yamamoto

• Book ID: 104210065
• Publisher: Elsevier Science
• Year: 2000
• Tongue: French
• Weight: 115 KB
• Volume: 41
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)00189-1

✦ Synopsis

The Br-Li exchange of bromophenyl-ortho-carborane 1 is faster than the deprotonation of the acidic C-H hydrogen of the carborane cage. The resulting phenyl anion undergoes rapid proton exchange to give the cluster anion.