239475-80-0Relevant academic research and scientific papers
Orthomanganation of the iminophosphorane Ph3P=NPh, and of triphenylarsine-oxide and -sulfide
Leeson, Mark A.,Nicholson, Brian K.,Olsen, Mark R.
, p. 243 - 251 (2007/10/03)
Two novel types of cyclometallated rings are described. Orthomanganation of Ph3P=NPh gave Ph2P[=NPh]C6H4Mn(CO)4, 5a, containing an N,C-chelated five-membered ring, characterised by single crystal X-ray determinations of two distinct polymorphs. Solutions of 5a are thermochroic. The rhenium analogue of 5a was also prepared. Reaction of Ph3As=X (X=O, S) with PhCH2Mn(CO)5 gave the first examples of orthometallated triphenylarsine chalcogenides. The example with X=O was characterised structurally. Attempted cyclomanganation of Ph3As was unsuccessful, but gave (in low yield) a dimanganese complex containing μ-AsPh2 and μ-η1,η6-benzyl ligands.
