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Cyclometalated platinum(II) hydrides with nitrogen ligands

Zucca, Antonio and Stoccoro, Sergio and Cinellu, Maria Agostina and Petretto, Giacomo Luigi and Minghetti, Giovanni (2007) Cyclometalated platinum(II) hydrides with nitrogen ligands. Organometallics, Vol. 26 (23), p. 5621-5626. eISSN 1520-6041. Article.

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DOI: 10.1021/om7005276

Abstract

Platinum(II) (N−N−C) cyclometalated hydrides, [Pt(N−N−C)H], (N−N−CH = 6-R-2,2‘-bipyridine, R = benzyl, phenyl, alkyl) have been obtained by reaction of the corresponding chlorides with NaBH4. Alternatively, some of them can also be synthesized from formato derivatives [Pt(N−N−C)(OC(O)H] by loss of CO2 or from cationic carbonyl species, [Pt(N−N−C)(CO)]+, by reaction with NaBH4. 1H NMR characterization reveals 1J(Pt−H) values among the largest ever reported, ca. 1600 Hz. Dinuclear derivatives with a bridging hydride, [(N−N−C)Pt(μ-H)Pt(N−N−C)]+, both symmetric and unsymmetric, can be built up through a classical approach, i.e., by reaction of a mononuclear terminal hydride and a solvento cationic complex [Pt(N−N−C)(S)]+.

Item Type:Article
ID Code:4283
Status:Published
Refereed:Yes
Uncontrolled Keywords:Platinum(II), dinuclear derivatives, nitrogen ligands
Subjects:Area 03 - Scienze chimiche > CHIM/03 Chimica generale e inorganica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:American Chemical Society
eISSN:1520-6041
Deposited On:27 Jul 2010 18:47

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