Organometallic Chemistry and Catalysis by Didier Astruc (auth.)

By Didier Astruc (auth.)

This is the 1st booklet at the topic particularly for students.

It covers the fundamental and complicated facets of organometallic chemistry of all metals and similar catalysis topics.

In order to give a finished view of the topic, it examines the old history, in addition to techniques (including buildings of mono- and polymetallic complexes), molecular orbitals, reactivity, implications in biology and functions to natural synthesis and catalysis.

The catalysis part contains the not easy activation and functionalization of the most periods of hydrocarbons and the industrially an important heterogeneous catalysis.

Chapter-end summaries and workouts aid self- and staff research, with ideas integrated on the finish of the book.

Hundreds of chosen references supplement the textual content for extra analyzing. Readers will discover a chapter-length remedy of eco-friendly chemistry, in addition to many fresh foreign learn effects, that around off this hugely obtainable textbook.

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Extra info for Organometallic Chemistry and Catalysis

Example text

It is necessary to have a geometrical overlap between the pligand orbital and the empty dmetal orbital involved in the bonding. Therefore, the available pligand orbital must be perpendicular to that engaged as a donor with the metal. This interaction proceeds well with halogeno, alkoxy, amino, oxo and amido ligands and d0metals such as ScIII, TiIV or TaV. One may notice that the early transition-metal chemistry contains a plethora of such bonds in complexes that would have a NVE much lower than 18 valence electrons if this bonding was not taken into account.

A coaxial () interaction and eventually two lateral ( and ) interactions represented below will result, depending on the number of valence electrons available in these orbitals. The dz2orbitals of each metal coaxially overlap to make the bond. The dxzorbitals of each metal can laterally overlap to give rise to a bond. The dyzorbitals do similarly. Finally, the dxyorbitals can overlap according to another lateral mode to form the bond, and it is the same for the dx2-y2orbitals of each metal (see below) .

Are the following complexes stable? Justify your answer. [CoCp2]+, [CoCp2]–, [V(CO)7]+, [Cr(H2O)6], [Ni(H2O)6]2+, [ReH9]2–, [Zr(CH2Ph)4], [Zr(CH2Ph)4(CO)2], [Cr(CO)5]2–, [Cu(Cl)(PPh3)], [Pt(PPh3)3], [Ir(CO)2(PPh3)(Cl)], [ScCp*2(CH3)], [NbCp2(CH3)3], [FeCp*(dtc)2]+. 5. Knowing that the diphenylacetylene complex [W(CO)(PhC2Ph)3] is quite stable, what is the number of electrons provided by each alkyne ligand to the metal? 6. What is the stability order of the following metallocenes: [TiCp2], [VCp2], [CrCp2], [MnCp2], [FeCp2], [CoCp2], [NiCp2]?

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