The pentacarbonyltetrafluoroborato complexes (OC) 5 MFBF 3 react with 3-butyne-1-ol to give the cyclic oxycarbene complexes [(OC) 5 M ja:math H 2 ] + BF 4 − ( 1 : M Mn; 2 : M Re). The structure of 2 has been determined by X-ray diffraction.Elke Fritsch...
A rhenacyclopentatriene intermediate is proposed, its electronic structure is described and its transformation to 2 is analyzed.Elisabeth LippmannThomas KerscherBernd AechterChristian RoblWolfgang BeckDavid W PriceMarkus MetzPeter HofmannJournal of Organometallic Chemistry...