Nitrile insertion into a boryl-substituted five-membered zirconacycloallenoid: unexpected formation of a zwitterionic boratirane product

Juri Ugolotti, Gerald Kehr, Roland Fröhlich, Stefan Grimme, Gerhard Erker
  • Chemical Communications, January 2009, Royal Society of Chemistry
  • DOI: 10.1039/b915924j