Author:
Queiroz Salete L,Batista Alzir A,de Araujo Marcio P,Bianchini Roberto C,Oliva Glaucius,Ellena Javier,James Brian R
Abstract
Described are the synthesis and characterization of Ru(II) complexes of the type RuCl2L2(N-O), where L2 is either 1,4-bis(diphenylphosphino)butane (dppb) or (PPh3)2, and N-O represents chelated 2-benzoylpyridine (2-bzpy) or 2-acetylpyridine (2-acpy); the Ru presursors used were [RuCl2(dppb)]2(µ-dppb) or RuCl2(PPh3)3. The crystal structure of cis-RuCl2(dppb)(2-bzpy) is presented, and three other RuCl2L2(N-O) complexes with cis-chlorines are isolated and characterized spectroscopically; of the trans-dichloro species, RuCl2(PPh3)2(N-O) complexes are isolated, while the corresponding dppb species are characterized in situ. In all cases, thermodynamically stable cis-complexes are formed from initially formed trans-species.Key words: ruthenium, phosphines, 2-benzoylpyridine, 2-acetylpyridine, X-ray structures.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
19 articles.
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5. sp3C–H bond alkylation of ketones with alkenes via ruthenium(ii) catalysed dehydrogenation of alcohols;Chem. Commun.;2014