Abstract
The copper phosphinimide complexes [Cu{-N=PR3}]4 (1, R = NMe2 and 2, R = Ph) were obtained in good yields from the reactions of Cu[Mes] (Mes = mesityl, C6H2Me3-2,4,6) with the corresponding iminophosphoranes, HNPR3. The molecular structures of 1 and 2 reveal the presence of planar eight-membered {Cu4N4} rings which contrasts with the saddle-shaped {M4N4} rings found in related metal phosphinimide complexes. According to computations, there is negligible aromaticity in the planar {Cu4N4} rings in 1 and 2 and the saddle shape observed in related {M4N4} rings is due to steric factors.
Original language | English |
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Pages (from-to) | 5611-5619 |
Journal | Dalton Transactions |
Volume | 44 |
Issue number | 12 |
Early online date | 12 Feb 2015 |
DOIs | |
Publication status | Published - 28 Mar 2015 |