Results 151 to 160 of about 2,463 (211)

Polyhedral Carboranes

, 2007
This chapter covers the syntheses and geometries of polyhedral carboranes. Conversions of C–H and B–H bonds into C–X and B–X, respectively (where X is a nonmetal substituent), in these systems are also discussed.
Fox, M.A., M.A. Fox
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Carborane polymers. III. Vinyl carboranes

Journal of Polymer Science Part A: General Papers, 1965
AbstractIsopropenylcarborane could not be polymerized by conventional radical and ionic methods. A low molecular weight polymer of DP = 10 was obtained by the use of aluminum chloride as catalyst at 150–170°C. Carboranylmethyl acrylate was homopolymerized and copolymerized with fluoroacrylates by using benzoyl peroxide as catalyst.
Joseph Green, Nathan Mayes, Murray S. Cohen   +2 more
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Carborane

Zeitschrift für Chemie, 1966
AbstractDas Gebiet der Borwasserstoff‐ und Bororganoverbindungen ist nach den grundlegenden Arbeiten A. Stocks über Borwasserstoffe (1912 bis 1936) erst in jüngster Zeit vor allem aus zwei Gründen wieder in den Blickpunkt des Interesses gerückt. So waren es einmal die Suche nach energiereichen Raketentreibstoffen, wobei Borwasserstoff‐Verbindungen eine
Kurt Issleib, Rolf Lindner, Alfred Tzschach   +2 more
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Supraicosahedral (Metalla) Carboranes

ChemInform, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
Alan S. F. Boyd, Anthony Burke, David Ellis, Daniel Ferrer, Barry T. Giles, Miguel A. Laguna, Ruaraidh McIntosh, Stuart A. MacGregor, Daniel L. Ormsby, Georgina M. Rosair, et al. et al.   +10 more
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Icosahedral carboranes. XIII. Halogenation of p-carborane

Inorganic Chemistry, 1969
Abstract : A method for the preparation and purification of substantial amounts of p-carborane is described. Chloro-, bromo- and iodo-p-carboranes were obtained via direct halogenation. The various halogenated species were separated by either column or vapor phase chromatography.
John Francis Sieckhaus, Nick S. Semenuk, Thomas A. Knowles, Hansjuergen Schroeder   +3 more
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Development of carborane synthons: synthesis and chemistry of (aminoalkyl)carboranes

Inorganic Chemistry, 1992
A number of (aminoalkyl)-1,2-closo-dodecaboranes have been synthesized to provide carboranes with a functional group for covalent incorporation into structures of potential use in the treatment of cancer by boron neutron capture therapy (BNCT). (Phthalimidoalkyl)acetylenes reacted with decaborane to give the corresponding carboranes; removal of the ...
J. Gerald Wilson, A. K. M. Anisuzzaman, F. Alam, A. H. Soloway   +3 more
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Carboranes in the chemist's toolbox

Dalton Transactions, 2015
A carborane-fullerene dyad for organic field-effect transistors illustrates one of the many diverse areas of technology in which the special properties of these polyhedral boron clusters are being exploited.
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New carboranes and phosphaboranes

Pure and Applied Chemistry, 2003
Abstract A review is presented on the new routes to the synthesis of the monocarbaboranes [arachno-6-CB9H14]–, arachno-4-CB8H14, and nido-1-CB8H12, that now have become excellent starting materials for the preparation of a family of seven-, eight-, and nine-vertex closo-monocarbaborane anions [2-CB6H7]–, [1-CB7H8]–, and [4-CB8H9]–. These
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Thallation of carboranes

Journal of Organometallic Chemistry, 1985
Abstract The conditions of the preparation of boron—thallated 1,2-, 1,7- and 1,12-dicarba- closo -dodecaboranes(12) (trivial names “ o -, m - and p -carboranes”) have been studied. It was shown that maximum yields of the products are attained when o - and m -carboranes are treated consecutively with equimolecular amounts of mercuric oxide and ...
V.I. Bregadze, A.Ya. Usiatinsky, N.N. Godovikov   +2 more
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Borothallaton of carboranes

Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1979
1. Carboranyl derivatives of thallium with a B-Tl bond were obtained by the direct thallation of substituted carboranes. 2. In their properties the borothallated carboranes differ sharply from the aryl analogs but resemble the C-thallated carboranes.
V. I. Bregadze, A. Ya. Usyatinskii, N. N. Godovikov   +2 more
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