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Titolo:
MONONUCLEAR AND DINUCLEAR CARBONYL-COMPLEXES OF 1,4,7-TRIMETHYL-1,4,7-TRIAZACYCLONONANE)RHODIUM(I) - FACILE MIGRATION OF A C(O)OME LIGAND AT A DINUCLEAR RH(MU-CO)(2)RH CORE
Autore:
DEBRUIN B; DONNERS JJJM; DEGELDER R; SMITS JMM; GAL AW;
Indirizzi:
UNIV NIJMEGEN,DEPT INORGAN CHEM,TOERNOOIVELD 1 NL-6525 ED NIJMEGEN NETHERLANDS
Titolo Testata:
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
fascicolo: 3, , anno: 1998,
pagine: 401 - 406
SICI:
1434-1948(1998):3<401:MADCO1>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
RAY CRYSTAL-STRUCTURE; MOLECULAR-STRUCTURE; COORDINATION CHEMISTRY; ETHYLENE INSERTION; IRIDIUM CARBONYL; RHODIUM COMPLEX; ACTIVATION; REACTIVITY; BOND; IR;
Keywords:
RHODIUM; N LIGANDS; CARBONYL COMPLEXES; METHOXYCARBONYL; DINUCLEAR COMPLEXES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
46
Recensione:
Indirizzi per estratti:
Citazione:
B. Debruin et al., "MONONUCLEAR AND DINUCLEAR CARBONYL-COMPLEXES OF 1,4,7-TRIMETHYL-1,4,7-TRIAZACYCLONONANE)RHODIUM(I) - FACILE MIGRATION OF A C(O)OME LIGAND AT A DINUCLEAR RH(MU-CO)(2)RH CORE", EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, (3), 1998, pp. 401-406

Abstract

The reaction of 1,4,7-trimethyl-1,4,7-triazacyclononane (Cn) with [{(CO)(2)Rh(mu-Cl)}(2)] in methanol at 0 degrees C, followed by the addition of NH4PF6, results in the formation of the mononuclear carbonyl complex [CnRh(mu-CO)(2)]PF6 ([1]PF6), the dinuclear carbonyl complex [CnRh(mu-CO)(3)RhCn*] (PF6)(2) I[2](PF6)(2)) and the dinuclear methoxycarbonyl complex [Cn Rh(C(O)OMe) (mu-CO)(2)RhCn*]PF6 ([3]PF6). The reaction of[2](PF6)(2) with NaOMe results in formation of [3]PF6 by the attack of the methoxide at a bridging carbonyl. Treatment of [3]PF6 with NH4PF6 regenerates [2](PF6)(2), thus showing that the methoxylationof [2](PF6)(2) is reversible. The structures of [1]PF6, [2](PF6)(2) and [3]PF6 have been determined by single-crystal X-ray diffraction. For [3]PF6 an unprecendented facile, reversible, migration of the C(O)OMe ligand between the two rhodium centres of the Rh(mu-CO)(2)Rh core isobserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/11/20 alle ore 10:02:13