Anionic dicarbollyl complexes of germanium(II) and tin(II) — missing links in a series of [pi]-complexes with Group 14 elements as central atoms

Jutzi P, Wegener D, Stammler H-G, Karaulov A, Hursthouse MB (1992)
Inorganica Chimica Acta 198-200: 369-375.

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On the basis of the isolobal concept, comparable series of structurally different [pi]-complexes with Group 14 elements as central atoms and with cyclopentadienyl or dicarbollyl systems as ligands can be organized. We describe for the first time anionic [pi]-complexes in which one or two dicarbollyl (B9H9C2Me2) ligands are coordinated to a divalent germanium or tin centre. Thus, reaction of the phosphonium salt Ph3MeP+TlB9H9C2Me2- (4) with the element dichlorides GeCl2 and SnCl2, respectively, in a 1:1 ratio leads to the ionic compounds Ph3MeP+ClGeB9H9C2Me2- (5) and Ph3MeP+ClSnB9H9C2Me2- (6), respectively. In a 2:1 ratio of the same reactants, the ionic compounds (Ph3MeP+)2Ge(B9H9C2Me2)22- (7) and (Ph3MeP+)2Sn(B9H9C2Me2)22- (8), respectively, are formed. Some further chemistry of the starting material Tl+TlB9H9C2Me2- is also described. The characterization of the new complexes is based on 1H, 13C, 11B and 119Sn NMR data and on X-ray crystal structure investigations (5 and 7).
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Jutzi P, Wegener D, Stammler H-G, Karaulov A, Hursthouse MB. Anionic dicarbollyl complexes of germanium(II) and tin(II) — missing links in a series of [pi]-complexes with Group 14 elements as central atoms. Inorganica Chimica Acta. 1992;198-200:369-375.
Jutzi, P., Wegener, D., Stammler, H. - G., Karaulov, A., & Hursthouse, M. B. (1992). Anionic dicarbollyl complexes of germanium(II) and tin(II) — missing links in a series of [pi]-complexes with Group 14 elements as central atoms. Inorganica Chimica Acta, 198-200, 369-375.
Jutzi, P., Wegener, D., Stammler, H. - G., Karaulov, A., and Hursthouse, M. B. (1992). Anionic dicarbollyl complexes of germanium(II) and tin(II) — missing links in a series of [pi]-complexes with Group 14 elements as central atoms. Inorganica Chimica Acta 198-200, 369-375.
Jutzi, P., et al., 1992. Anionic dicarbollyl complexes of germanium(II) and tin(II) — missing links in a series of [pi]-complexes with Group 14 elements as central atoms. Inorganica Chimica Acta, 198-200, p 369-375.
P. Jutzi, et al., “Anionic dicarbollyl complexes of germanium(II) and tin(II) — missing links in a series of [pi]-complexes with Group 14 elements as central atoms”, Inorganica Chimica Acta, vol. 198-200, 1992, pp. 369-375.
Jutzi, P., Wegener, D., Stammler, H.-G., Karaulov, A., Hursthouse, M.B.: Anionic dicarbollyl complexes of germanium(II) and tin(II) — missing links in a series of [pi]-complexes with Group 14 elements as central atoms. Inorganica Chimica Acta. 198-200, 369-375 (1992).
Jutzi, Peter, Wegener, Dirk, Stammler, Hans-Georg, Karaulov, Alexander, and Hursthouse, Michael B. “Anionic dicarbollyl complexes of germanium(II) and tin(II) — missing links in a series of [pi]-complexes with Group 14 elements as central atoms”. Inorganica Chimica Acta 198-200 (1992): 369-375.
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