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[Zn{SSi(OBut)3}2(NH3)]2 (1) reacts with 2-picoline or 2,4-lutidine (L) without elimination of ammonia giving stable monometallic complexes [Zn{SSi(OBut)3}2(NH3)L] (3 and 4), with two different nitrogen ligands bonded to the metal center. Reaction of (ButO)3SiSH with zinc di(acetylacetonate) in ammonia atmosphere leads to the complex with two ammine ligands [Zn{SSi(OBut)3}2(NH3)2] · MeCN (5). Molecular and crystal structures of 3, 4 and 5 have been determined by the single crystal X-ray structural analysis. All have distorted tetrahedral geometry. The presence of ammonia gives rise to hydrogen bonds, different in all three cases. 3, 4, and 5 are the first examples of structurally characterized ammine ligated zinc thiolates. WILEY-VCH Verlag GmbH, D-69451 Weinheim, 2001.
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Reference：
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis