UnissResearch

Logo Universitàegli studi di Sassari
titoli, abstracts, parole chiave >>>
Gold(III) adducts of 2-vinyl- and 2-ethylpyridine and cyclometallated derivatives of 2-vinylpyridine: crystal structure of the cyclometallated derivative [Au(k2-C,N–CH2CH(Cl)–C5H4N)(PPh3)Cl][PF6]

Cinellu, Maria Agostina and Cocco, Fabio and Minghetti, Giovanni and Stoccoro, Sergio and Zucca, Antonio and Manassero, Mario (2009) Gold(III) adducts of 2-vinyl- and 2-ethylpyridine and cyclometallated derivatives of 2-vinylpyridine: crystal structure of the cyclometallated derivative [Au(k2-C,N–CH2CH(Cl)–C5H4N)(PPh3)Cl][PF6]. Journal of Organometallic Chemistry, Vol. 694 (18), p. 2949-2955. ISSN 0022-328X. Article.

Full text not available from this repository.

DOI: 10.1016/j.jorganchem.2009.04.031

Abstract

Reaction of Na[AuCl4] with 2-vinylpyridine (vinpy) and 2-ethylpyridine (etpy) affords the N-bonded adducts Au(Rpy)Cl3 (R = CH2═CH, vinpy; CH3CH2, etpy). Cationic adducts, [Au(vinpy)2Cl][X]2 (X = BF4, PF6) and [Au(etpy)2Cl2][BF4], were also obtained by reaction of Au(Rpy)Cl3 with Rpy (1:1) and excess NaBF4 or KPF6. Thermal activation of Au(vinpy)Cl3 in water gives the five-membered cycloaurated derivative [Au(k2-C,N–CH2CH(Cl)–C5H4N)Cl2] formally resulting through a trans nucleophilic addition of a chloride onto the CC bond. No cyclometallated derivatives are obtained by reactions of Au(etpy)Cl3. An X-ray crystal structure determination on the PPh3 derivative [Au(k2-C,N–CH2CH(Cl)–C5H4N)(PPh3)Cl][PF6] was carried out.

Item Type:Article
ID Code:3780
Status:Published
Refereed:Yes
Uncontrolled Keywords:Gold(III), nitrogen ligands, cyclometallated derivatives, alkene activation, crystal structure
Subjects:Area 03 - Scienze chimiche > CHIM/03 Chimica generale e inorganica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:Elsevier
ISSN:0022-328X
Deposited On:29 Apr 2010 10:38

I documenti depositati in UnissResearch sono protetti dalle leggi che regolano il diritto d'autore

Repository Staff Only: item control page