Publication

The reaction of alkenes with triangulo-clusters [Pt3(m-CO)3(PR3)3]

Gabor Laurenczy, Raymond Roulet
2001
Journal Articles

Abstract

The reactions of the cluster complexes [Pt-3(mu -Co)(3)L-3], where L = PPh3 1a, PPh(2)Bz 1b and PCy3 1c, with activated mono-olefins have been studied under preparative and equilibrium conditions. At low temperature the olefins react quantitatively giving the adducts [Pt-3(mu -CO)(3) L-3(olefin)] (olefin = trans-di-cyanoethene, DCE 2a-2c, maleic anhydride, MA 3a -3c). The stereo-chemistry of these unstable clusters has been deduced from low temperature P-31. C-13. Pt-195-NMR and I.R. spectra. At higher temperature there adducts in presence of excess of olefin convert quantitatively to stable mononuclear Pt(O) complexes [Pt(CO)L(olefin)] (olefin = DCE 4a-4c, MA 5a-5c. maleimide. MI 6a-6c and 1-4-nayhthoquinone, NQ 7a. 7c).

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https://infoscience.epfl.ch/entities/publication/c24fe5d0-5874-4a6b-b56d-f42f67226866

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Gabor Laurenczy, Raymond Roulet
2001
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/c24fe5d0-5874-4a6b-b56d-f42f67226866

About this result

Related concepts (32)

Alkene

In organic chemistry, an alkene is a hydrocarbon containing a carbon–carbon double bond. The double bond may be internal or in the terminal position. Terminal alkenes are also known as α-olefins. The International Union of Pure and Applied Chemistry (IUPAC) recommends using the name "alkene" only for acyclic hydrocarbons with just one double bond; alkadiene, alkatriene, etc., or polyene for acyclic hydrocarbons with two or more double bonds; cycloalkene, cycloalkadiene, etc.

Metal carbonyl

Metal carbonyls are coordination complexes of transition metals with carbon monoxide ligands. Metal carbonyls are useful in organic synthesis and as catalysts or catalyst precursors in homogeneous catalysis, such as hydroformylation and Reppe chemistry. In the Mond process, nickel tetracarbonyl is used to produce pure nickel. In organometallic chemistry, metal carbonyls serve as precursors for the preparation of other organometallic complexes.

Organonickel chemistry

Organonickel chemistry is a branch of organometallic chemistry that deals with organic compounds featuring nickel-carbon bonds. They are used as a catalyst, as a building block in organic chemistry and in chemical vapor deposition. Organonickel compounds are also short-lived intermediates in organic reactions. The first organonickel compound was nickel tetracarbonyl Ni(CO)4, reported in 1890 and quickly applied in the Mond process for nickel purification.

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The reaction of alkenes with triangulo-clusters [Pt3(m-CO)3(PR3)3]

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