Results 141 to 150 of about 906 (153)

Intervention by an η6-Organochromium Moiety Switches Chemoselectivity in Palladium-Catalyzed Reactions with Trialkyltin Compounds

open access: closedOrganometallics, 2001
The reaction of (chloroarene)tricarbonylchromium with hexaalkylditin under palladium catalysis does not proceed by the expected Stille reaction with addition of an SnR3 group but, instead, affords alkylarene complexes via a postulated chromium-assisted alkyl migration.
Damien Prim   +4 more
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Homolytic organometallic reactions. Part 14. Homolytic reactivity of β-C–H groups in organotin compounds. An alternative source of trialkyltin radicals

open access: closedJ. Chem. Soc., Perkin Trans. 2, 1978
Rate constants (at –84°) for the reaction of t-butoxyl radicals with tetraethyltin at the α-methylene group to give the radical Et3SnCHCH3, and at the β-methyl group to give the radical Et3SnCH2ĊH2, are 1.2 × 104 and 4.8 × 103 l mol–1 s–1, respectively ca.
Alwyn G. Davies   +2 more
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Recent studies on the mode of biological action of di- and trialkyltin compounds

open access: closed, 1998
Organic tin compounds are characterized by the presence of at least one covalent carbon-tin bond. The compounds have a tetravalent structure and are classified as mono-, di-, tri- and tetraorganotins depending on the number of alkyl and aryl moieties. The anion is usually chloride, fluoride, oxide, hydroxide, carboxylate or thiolate.
Yasuaki Arakawa
openalex   +2 more sources

ChemInform Abstract: HOMOLYTIC ORGANOMETALLIC REACTIONS. PART 14. HOMOLYTIC REACTIVITY OF β‐CH GROUPS IN ORGANOTIN COMPOUNDS. AN ALTERNATIVE SOURCE OF TRIALKYLTIN RADICALS

open access: closedChemischer Informationsdienst, 1978
AbstractAus Tetraethylzinn werden mit tert.‐Butoxylradikalen sowohl α‐ als auch β‐Protonen abgetrennt, wobei der 2. Prozeß langsamer abläuft als der erste und alle beide 100 bis l0O0mal schneller sind als die entsprechenden Reaktionen des Ethans.
Alwyn G. Davies   +2 more
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SYNTHESIS OF MIXED TRIALKYLTIN COMPOUNDS

open access: closed, 1979
Winfried Wehner, Hermann O. Wirth
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Effects of Trialkyltin and Triphenyltin Copounds on Mitochondrial Respiration

European Journal of Biochemistry, 1970
In a sucrose medium, free from anions which are effective in the anion‐hydroxide exchange catalysed by trialkyltins, the effects of these compounds on mitochondrial respiration are similar to those of oligomycin, i.e. inhibition of respiration coupled to phosphorylation, and of arsenate stimulated respiration. They do not inhibit respiration stimulated
M, Stockdale, A P, Dawson, M J, Selwyn
openaire   +2 more sources

di- and trialkyltin compounds

open access: closed, 1998
Yasuaki Arakawa
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