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Titolo:
STRUCTURES, DYNAMIC BEHAVIOR IN SOLUTION AND CROSS-COUPLING REACTIONSOF THE ALPHA-PALLADIATED (ETA(6)-ALKYLARENE)TRICARBONYLCHROMIUM COMPLEXES CONTAINING A PALLADIUM-CHROMIUM BOND
Autore:
MOISEEV SK; CHEREPANOV IA; PETROVSKII PV; EZERNITSKAYA MG; BUTENSCHON H; STROTMANN M; KALININ VN;
Indirizzi:
AN NESMEYANOV ORGANOELEMENT CPDS INST,VAVILOVA STR 28 MOSCOW 117813 RUSSIA AN NESMEYANOV ORGANOELEMENT CPDS INST MOSCOW 117813 RUSSIA UNIV HANNOVER,INST ORGAN CHEM D-30167 HANNOVER GERMANY
Titolo Testata:
Inorganica Chimica Acta
fascicolo: 1-2, volume: 280, anno: 1998,
pagine: 71 - 74
SICI:
0020-1693(1998)280:1-2<71:SDBISA>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Keywords:
CHROMIUM COMPLEXES; PALLADIUM COMPLEXES; ARENE COMPLEXES; HETERONUCLEAR COMPLEXES; CROSS-COUPLING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
3
Recensione:
Indirizzi per estratti:
Citazione:
S.K. Moiseev et al., "STRUCTURES, DYNAMIC BEHAVIOR IN SOLUTION AND CROSS-COUPLING REACTIONSOF THE ALPHA-PALLADIATED (ETA(6)-ALKYLARENE)TRICARBONYLCHROMIUM COMPLEXES CONTAINING A PALLADIUM-CHROMIUM BOND", Inorganica Chimica Acta, 280(1-2), 1998, pp. 71-74

Abstract

Structures of the complexes (eta(3)-C3H5)Pd(mu-eta(6:1)-CH2Ph)Cr(CO)(3) and (eta(3)-C3H5)Pd[mu-eta(6:1)-CH(Ph)Ph]Cr(CO)(3) in solution wereevaluated by NMR (H-1 and C-13) and IR spectroscopy. The dynamic behaviour of the complexes was investigated. Quick rotation (on the NMR time scale) of the tricarbonylchromium groups around the axis passing through the centre of the eta(6)-coordinated phenyl ring and the chromium atom takes place at room temperature and becomes slow on cooling. The eta(3)-allylic ligand was proved to undergo no dynamic changes in solution. Unlike the solid state, the semi-bridging carbonyl groups between chromium and palladium atoms are absent or very weak in solution. Cross-coupling reactions of the complexes with organohalides are described. (C) 1998 Elsevier Science S.A. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/07/20 alle ore 12:57:38