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Chauvinism

D. Rumelhart, R. Durbin, R. Golden, Y. Chauvin, Backpropagfition The Basic Theory in Mathematical Perspectives on Neural Networks, P. Smolensky, M. C. Mozer, D. E. Rumelhart (Eds.), Lawrence Earlbaum Assoc, Hillsdale, NJ, 1996, pp. 533-566. [Pg.484]

Levisalles,J Rudler-Chauvin, M, Martin,J A Bull Soc Chim fr 1980, 167... [Pg.1086]

For example Y. Chauvin, L. Mufl-mann, H. Olivier, Angeiv. Chem. Int. Ed. Engl. 1995, 34, 2698-2700. [Pg.32]

The first example of homogeneous transition metal catalysis in an ionic liquid was the platinum-catalyzed hydroformylation of ethene in tetraethylammonium trichlorostannate (mp. 78 °C), described by Parshall in 1972 (Scheme 5.2-1, a)) [1]. In 1987, Knifton reported the ruthenium- and cobalt-catalyzed hydroformylation of internal and terminal alkenes in molten [Bu4P]Br, a salt that falls under the now accepted definition for an ionic liquid (see Scheme 5.2-1, b)) [2]. The first applications of room-temperature ionic liquids in homogeneous transition metal catalysis were described in 1990 by Chauvin et al. and by Wilkes et ak. Wilkes et al. used weekly acidic chloroaluminate melts and studied ethylene polymerization in them with Ziegler-Natta catalysts (Scheme 5.2-1, c)) [3]. Chauvin s group dissolved nickel catalysts in weakly acidic chloroaluminate melts and investigated the resulting ionic catalyst solutions for the dimerization of propene (Scheme 5.2-1, d)) [4]. [Pg.214]

The first successful hydrogenation reactions in ionic liquids were studied by the groups of de Souza [45] and Chauvin [46] in 1995. De Souza et al. investigated the Rh-catalyzed hydrogenation of cyclohexene in l-n-butyl-3-methylimidazolium ([BMIM]) tetrafluoroborate. Chauvin et al. dissolved the cationic Osborn complex [Rh(nbd)(PPh3)2][PFg] (nbd = norbornadiene) in ionic liquids with weakly coordinating anions (e.g., [PFg] , [BFJ , and [SbF ] ) and used the obtained ionic catalyst solutions for the biphasic hydrogenation of 1-pentene as seen in Scheme 5.2-7. [Pg.229]


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See also in sourсe #XX -- [ Pg.22 ]




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