Protonation-Induced Rearrangement of an Oxaphosphirane Complex


  • We acknowledge financial support by ThermPhos Int. AG (R.S.), the US National Science Foundation (C.A.R.), the Fonds der Chemischen Industrie (fellowship to H.H.), and the COST action CM0802 “PhoSciNet”. We thank the John von Neumann Institute for Computing (Jülich) for computing time (HBN12) and Dr. E. S. Stoyanov and I. V. Stoyanova for assistance.


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O-Protonation of an oxaphosphirane tungsten complex causes ring opening and the formation of a P[BOND]OH functional methylene phosphonium ligand bound side-on to the tungsten center (see scheme).