Cyclic Carbodiimides in Nitrene Rearrangements (pages 566–567)
Prof. Dr. Curt Wentrup, Dr. Célestin Thétaz, Dipl.-Chem. Enrico Tagliaferri, Prof. Dr. Hans Jörg Lindner, Brigitte Kitschke, Dipl.-Chem. Hans-Wilhelm Winter and Dr. Hans Peter Reisenauer
Article first published online: 22 DEC 2003 | DOI: 10.1002/anie.198005661
Convicing evidence for the first seven-membered cyclic carbodiimide(2) was obtained on rearrangement of the nitrenes (1) and (3) in the gas phase, in solution, and in an argon matrix. At 10 K (2) is stable and can be detected by IR spectroscopy.