Metals organometallic compounds from

In this chapter we consider the formation of organometallic compounds from metal atoms in two ways. In the text, the reactions of broad classes of compounds with metal atoms are discussed, and in the... 

What distinguishes organometallic compounds from metal chelates ... 

The formation of organometallic compounds from metals is described in Ch. 5. In this section, a few references are given, dealing with the formation of such compounds by an exchange reaction (transmetallation or ligand exchange) imder solid-liquid conditions and the preparation of compoimds containing non-metal elements. 

Explain the photochemistry of organometallic compounds from the point of view of photodissociation of simple organometallics, metal-to-metal bond cleavage and the photosubstitution of cluster species. 

Ultrasound is widely used for the preparation of organometallic compounds from reactive metals [67]. Here the mode of action of ultrasound is twofold ... 

Organometallic compounds When a compound has a covalent bond between a carbon and a metal, it is called an organometallic compound. Carbon-metal bonds vary widely in character from covalent to ionic... 

Such a mechanism probably is involved in the formation of organometallic compounds from aryl halides and metals. 

The equilibrium favors the products with R connected to the less electropositive metal so the reaction tends to form a less reactive organometallic compound from a more reactive one. 

In addition, organometallic compounds produce metallic products that influence the reactivity of the catalyst by deposition on its surface. The transfer of metal from the feedstock to the catalyst constitutes an irreversible poisoning of the catalyst. After combustion to remove the carbonaceous deposits, the catalysts are treated to redisperse active metals. 

Fig. 1. Production of organometallic compounds from hydrocarbon derivatives, M = a metal or a metal-complex fragment.

R. D. Rieke, Preparation of Organometallic Compounds from Highly Reactive Metal Powders, Science 1989, 246, 1260-1264. 

W. Hubei, Organometallic Derivatives from Metal Carbonyls and Acetylenic Compounds, in Organic Synthesis via Metal Carbonyls (Eds. I. Wender and P. Pino, Wiley Interscience, New York, 1968, Vol. I, pp. 273-342). 

W. Hubei Organometallic derivatives from metal carbonyls and acetylene compounds, pp. 273-342 (146). 

The simplest kinetics to assume would be a one-step reaction from an organometallic compound to metallic deposit, i.e. the A to B first order reaction. This is essentially the approach used by Sato et al [1], which led to a straight forward definition of the Thiele modulus and the pattern of metal deposition as the fantiliar... 

The HFOs also contain organometallic compounds from their presence in the virgin crude oil. Such trace metal is Va. Other elements that occur are Ni, Fe, K, Na, Al, and Si. Significant concentrations of H2S (hydrogen... 

Rieke, R. D. 1989. Preparation of organometallic compounds from highly reactive metal powders. Science 246 1260-1264. 

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