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Reactivity of Ylenes at Late Transition Metal Centers

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Reactivity of Ylenes at Late Transition Metal Centers

Burgert Blom (Autor)

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ISBN-13 (Printausgabe) 3869559071
ISBN-13 (Printausgabe) 9783869559070
ISBN-13 (E-Book) 9783736939073
Sprache Englisch
Seitenanzahl 308
Umschlagkaschierung glänzend
Auflage 1 Aufl.
Band 0
Erscheinungsort Göttingen
Promotionsort Bonn
Erscheinungsdatum 31.10.2011
Allgemeine Einordnung Dissertation
Fachbereiche Chemie
Beschreibung

Heavy main group elements, i.e. those where n > 2, exhibit a marked decreasing propensity to engage in pi- bond formation compared to the lighter elements. This presents a huge challenge in contemporary inorganic chemistry and in terms of triple bonding between heavy main group elements and transition metals, reports are rare. In fact, there are only a few examples of complexes featuring triple bond formation to the heavier homologues of carbon (Si – Pb), and in all these cases the transition metal is always a member of group 6 (Cr, Mo, W).

This dissertation explores the general reactivity of Power-type ylenes: [EXR] (where E = Ge, Sn and Pb; X = Cl or Br; and R = a bulky m-terphenyl substituent) towards a range of late transition metal complexes in group 8, 9 and 10 with the overall goal of making triple bonds between Ge – Pb with these late transition metal element atoms, hitherto unprecedented.

The work described here uncovered the first examples of any transition metal beyond group 6 (Fe) engaging in a triple bond interaction to any heavy homologue of carbon.