Inorganica Chimica Acta p. 91 - 98 (2002)
Update date:2022-07-31
Topics:
Heyn, Richard H.
Tilley, T. Don
The neutral, bis(silyl) complexes M[Si(SiMe3)3]2(THF)n (3, M=Mn, n=2; 4, M=Fe, n=1) represent reactive, useful starting materials for the synthesis of various silyl derivatives of Mn and Fe. The reaction of 3 with dmpe (dmpe=Me2PCH2CH2PMe2) produced the yellow-orange complex Mn[Si(SiMe3)3]2(dmpe), which was characterized by X-ray crystallography as possessing Mn-Si distances of 2.643(4) and 2.642(3) ?. A related benzophenone complex, Mn[Si(SiMe3)3]2(OCPh2) 2, is dark blue in color but possesses neutral ketone ligands (by IR spectroscopy and X-ray crystallography). The reaction of [NEt4]{Fe[Si(SiMe3)3]2Cl} with CO gave [NEt4]{Fe(CO)3[Si(SiMe3)3] 2Cl}, and the reaction of 3 with CNXyl (Xyl=2,6-Me2-C6H3) produced Mn[Si(SiMe3)3]2(CNXyl)(THF) and the reduced manganese complex (XylNC)5MnSi(SiMe3)3.
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