Chromium imine and amine complexes as homogeneous catalysts for the trimerisation and polymerisation of ethylene
摘要:
Cr(III) complexes of tridendate imine and amine ligands with N, P, O, S donor atoms 1 and 2 have been prepared and tested as catalysts in the oligomerisation and polymerisation of ethylene giving excellent selectivity towards 1-hexene and polymerisation to polyethylene when activated with cocatalysts. X-ray structure analyses of the precatalysts 1a-c, 1i, and 2b are investigated. The metal-ligand binding in 1a and 1b is nearly the same, which leads to similar catalytic activities of these precatalysts. (C) 2004 Elsevier B.V. All rights reserved.
Chromium imine and amine complexes as homogeneous catalysts for the trimerisation and polymerisation of ethylene
摘要:
Cr(III) complexes of tridendate imine and amine ligands with N, P, O, S donor atoms 1 and 2 have been prepared and tested as catalysts in the oligomerisation and polymerisation of ethylene giving excellent selectivity towards 1-hexene and polymerisation to polyethylene when activated with cocatalysts. X-ray structure analyses of the precatalysts 1a-c, 1i, and 2b are investigated. The metal-ligand binding in 1a and 1b is nearly the same, which leads to similar catalytic activities of these precatalysts. (C) 2004 Elsevier B.V. All rights reserved.
Chromium imine and amine complexes as homogeneous catalysts for the trimerisation and polymerisation of ethylene
作者:Martin E. Bluhm、Olaf Walter、Manfred Döring
DOI:10.1016/j.jorganchem.2004.09.080
日期:2005.1
Cr(III) complexes of tridendate imine and amine ligands with N, P, O, S donor atoms 1 and 2 have been prepared and tested as catalysts in the oligomerisation and polymerisation of ethylene giving excellent selectivity towards 1-hexene and polymerisation to polyethylene when activated with cocatalysts. X-ray structure analyses of the precatalysts 1a-c, 1i, and 2b are investigated. The metal-ligand binding in 1a and 1b is nearly the same, which leads to similar catalytic activities of these precatalysts. (C) 2004 Elsevier B.V. All rights reserved.