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For a review on the structures, characterization, and reactivities of group 10 metal indenyl complexes, see: D. Zargarian. Coord. Chem. Rev. 157, 233 (2002).
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For a review on the structures, characterization, and reactivities of group 10 metal indenyl complexes, see: D. Zargarian. Coord. Chem. Rev. 157, 233 (2002).
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(c) E. Rivera, R. Wang, X.X. Zhu, D. Zargarian, and R. Giasson. J. Mol. Catal. A, 325, 204 (2003).
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Rivera, E.1
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Thesis. Universite de Montreal
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(a) M.-A. Dubois. M.Sc. Thesis. Universite de Montreal. 2000;
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Dubois, M.-A.1
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Polyhedron
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(a) L.F. Groux, F. Belanger-Gariepy, D. Zargarian, and R. Vollmerhaus. Organometallics, 19, 1507 (2000);
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For instance, the addition of PhSiH3 to styrene catalyzed by IndNi(PPh3)Cl in the absence of any activator/initiator gives yields of 7, 1-Me-Ind, 56, 1-SiMe3-Ind, and 82, 1,3, SiMe3) 2-Ind, see ref. 12, It is important to emphasize, however, that for reactions run in the presence of initiators/activators, the steric bulk has little or no favourable influence on the reactivities unless the Ind ligand is substituted at both 1- and 3-positions. For instance, the addition of PhSiH 3 to styrene catalyzed by the combination of (1-R-Ind)Ni(PPh 3)Cl and NaBPh4 is no more effective with R, i-Pr (61, than Me (69, see ref. 7, This can be understood by recalling that the complexes (1-R-Ind)Ni(PPh3)X always adopt a configuration that places the PPh3 ligand away from the more bulky Ind substituent to avoid steric congestion see ref. 1, hence, placing a substituent at the 1-position has no advantage for
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3 ligand away from the more bulky Ind substituent to avoid steric congestion (see ref. 1); hence, placing a substituent at the 1-position has no advantage for increasing the lability of the phosphine ligand or the catalytic activities.
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0001474463
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T.A. Huber, M. Bayrakdarian, S. Dion, I. Dubuc, F.G.-Belanger, and D. Zargarian. Organometallics, 16, 5811 (1997).
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T.A. Huber, M. Bayrakdarian, S. Dion, I. Dubuc, F.G.-Belanger, and D. Zargarian. Organometallics, 16, 5811 (1997).
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2, and so forth).
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2, and so forth).
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It should be added that the Ni-Cl precursors form much more efficient catalysts when used in conjunction with cationic initiators such as NaBPh 4 12
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4 (12).
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M. Morissette. M.Sc. Dissertation. Universite de Montreal. 2001.
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M. Morissette. M.Sc. Dissertation. Universite de Montreal. 2001.
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SMART [computer program, Release 5.059. Bruker molecular analysis research tool. Bruker AXS Inc. Madison, WI. 1999
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SMART [computer program]. Release 5.059. Bruker molecular analysis research tool. Bruker AXS Inc. Madison, WI. 1999.
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SAINT [computer program, Release 6.06. Integration software for single crystal data. Bruker AXS Inc. Madison, WI. 1999
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SAINT [computer program]. Release 6.06. Integration software for single crystal data. Bruker AXS Inc. Madison, WI. 1999.
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G.M. Sheldrick. SADABS [computer program, Bruker area detector absorption corrections. Bruker AXS Inc. Madison, WI. 1997
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G.M. Sheldrick. SADABS [computer program]. Bruker area detector absorption corrections. Bruker AXS Inc. Madison, WI. 1997.
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G.M. Sheldrick. SHELXS [computer program, Program for the solution of crystal structures. University of Goettingen, Germany. 1997
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G.M. Sheldrick. SHELXS [computer program]. Program for the solution of crystal structures. University of Goettingen, Germany. 1997.
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G.M. Sheldrick. SHELXL [computer program, Program for the refinement of crystal structures. University of Goettingen, Germany. 1997
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G.M. Sheldrick. SHELXL [computer program]. Program for the refinement of crystal structures. University of Goettingen, Germany. 1997.
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