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Organometallic Bonding and Reactivity - Fundamental Studies (Hardcover, 1999 ed.)
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Organometallic Bonding and Reactivity - Fundamental Studies (Hardcover, 1999 ed.)
Series: Topics in Organometallic Chemistry, 4
Expected to ship within 10 - 15 working days
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General The making and breaking of carbon-metal bonds is
fundamental to all the p- cesses of organometallic chemistry and
moreover plays a significant role in - mogeneous as well as
heterogeneous catalysis. This rather blunt statement - phasises the
extent to which a proper understanding of the structure, energetics
and reactivity of C-M bonds is at the core of the discipline. In
order to accept it, a proper definition of the terms involved is
required. Quite simply we define the metal-carbon bond in its
broadest sense to embrace carbon linked to transiti- metals,
lanthanides and actinides, and main group metals. We do not dist-
guish between formally covalent single or multiple bonding on the
one hand and q-bonding on the other. In the studies to be described
in the following chapters, the emphasis will be on transition metal
complexes and insofar as the fun- mentals come under scrutiny,
simple metal alkyls or related species (metal al- nyl, alkynyl,
aryl, or allyl) will play an emphatic part. The central role of
metal alkyls and their congeners and especially the role of their
metal carbon linkage in homogeneous catalysis may be appreciated by
considering some key reaction steps leading to their formation or
breakdown. There follows a few prominent examples of transition
metal mediated stoichiometric or catalytic processes: - In
homogeneous hydrogenation of double bonds, the stepwise reaction of
an q2-coordinated alkene with dihydrogen gives first an alkyl metal
hydride, and then the decoordinated alkane by elimination.
General
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