New pincer-type diphosphinito (POCOP) complexes of NiII and NiIII †
Abstract
This communication reports the synthesis and characterization of the new, pincer-type, square-planar, 16-electron compounds {2,6-(OPPri2)2C6H3}NiIIBr, 1, and {(Pri2POCH2)2CH}NiIIBr, 2, and the square-pyramidal, 17-electron complex {(Pri2POCH2)2CH}NiIIIBr2, 3.