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Abstract
The reaction of the lithiated bis-stannylamine, ((CH3)3)Sn2NLi·THF (1), with (C5H5)2ZrCl2 yields the imido-bridged zirconium dimer, [(C5H5)2ZrN(Sn(CH3)3)]2 (3), which was characterized by single crystal x-ray diffractometry. The heteroleptic stannylamine, [{(CH3)3Sn}{(CH3)3Si}]NLi·Et2O(2), prepared using(1)as a synthetic precursor, reacts with SnCl2 to yield the tin-nitrogen heterocubane, [Sn(μ3-NSi(CH3)3)]4 (4), which is fully characterized by single crystal x-ray diffractometry and standard spectroscopic techniques. The use of this class of stannylamine ligands allows access to heterometallic amido complexes and provides a general route to obtaining tin-nitrogen heterocubanes.
We gratefully acknowledge partial support of this project by the Georgia Institute of Technology Molecular Design Institute, under prime contract N00014-95-1-1116 from the Office of Naval Research.
