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Titolo:
Palladium(II) complexes bearing ethylene-bridged S boolean AND As and S boolean AND P donor ligands: synthesis, crystal structure and reactivity towards the polymerization of norbornene
Autore:
Abu-Surrah, AS; Lappalainen, K; Repo, T; Klinga, M; Leskela, M; Hodali, HA;
Indirizzi:
Univ Helsinki, Inorgan Chem Lab, FIN-00014 Helsinki, Finland Univ Helsinki Helsinki Finland FIN-00014 ab, FIN-00014 Helsinki, Finland Univ Jordan, Fac Sci, Dept Chem, Amman, Jordan Univ Jordan Amman JordanUniv Jordan, Fac Sci, Dept Chem, Amman, Jordan
Titolo Testata:
POLYHEDRON
fascicolo: 13, volume: 19, anno: 2000,
pagine: 1601 - 1605
SICI:
0277-5387(20000701)19:13<1601:PCBESB>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
BISINDOLINYL; NITROGEN; OLEFINS;
Keywords:
palladium(II) complexes; mixed donor ligands; trans-influence; X-ray crystallography; methylaluminoxane (MAO); norbornene; polymerization;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Abu-Surrah, AS Univ Helsinki, Inorgan Chem Lab, POB 55, FIN-00014 Helsinki, Finland Univ Helsinki POB 55 Helsinki Finland FIN-00014 i, Finland
Citazione:
A.S. Abu-Surrah et al., "Palladium(II) complexes bearing ethylene-bridged S boolean AND As and S boolean AND P donor ligands: synthesis, crystal structure and reactivity towards the polymerization of norbornene", POLYHEDRON, 19(13), 2000, pp. 1601-1605

Abstract

Palladium(II) complexes of the general type [Pd(L boolean AND L)Cl-2] (4-6) and their corresponding dicationic complexes [Pd(L boolean AND L)(NCCH3)(2)](BF4)(2) (7-9) (L boolean AND L = [(1-(thiomethyl)-2-(diphenylarsino)ethane] (S boolean AND As, 1) (4, 7) [1-(thiomethyl)-2- (diphenylphosphino)ethane] (S boolean AND P, 2) (5, 8) and [1,2-bis(diphenylphosphino)ethane] (P boolean AND P, 3) (6, 9) have been synthesized and utilized as catalysts for the polymerization reaction of bicyclo[2.2.1]hept-2-ene (norbornene). Thedichloride complexes can be activated with methylaluminoxane (MAO), while the corresponding dicationic compounds were used as single component catalysts for the polymerization reactions. Catalytic performance of the new typeof catalyst can be altered by modifying the donor atoms in the bidentate ligand. The activity of the Pd(II) complexes towards the polymerization reaction increases with increasing the trans-influence of the donor atoms (P boolean AND P > S boolean AND P > S boolean AND As). The influence of donor atoms on the length of the Pd-Cl bonds was elucidated by X-ray structure analysis carried out on the palladium(II) complex [Pd(S boolean AND As)Cl-2] (4). (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/09/20 alle ore 18:44:05