Thermal migration of an ethynyl group from one benzene ring to another by reversible vinylidene CH insertion

✍ Scribed by Lawrence T. Scott; Atena Necula

• Publisher: Elsevier Science
• Year: 1997
• Tongue: French
• Weight: 229 KB
• Volume: 38
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(97)00225-6

✦ Synopsis

Evidence is presented for the high temperature opening of a 5-membered ring by extrusion of a carbene (the reverse of a C-H bond insertion), which results in the net thermal migration of an ethynyl group from one benzene ring to another.