212625-22-4Relevant academic research and scientific papers
Mesogenic dinuclear cyclopalladated derivatives with mixed bridges - Crystal structure of cis-[Bis({4,4′-di-n-butoxy}benzylideneaniline-C 2,N)-(μ-n-butylthiolato)(μ-chloro)dipalladium(II)]
Buey, Julio,Diez, Gustave A.,Espinet, Pablo,Garcia-Granda, Santiago,Perez-Carreno, Enrique
, p. 1235 - 1241 (2007/10/03)
The dinuclear cyclopalladated compounds [Pd(μ-Cl)Ln]2 (2) [HLn = p-CnH2n+1OC6H4CH=NC 6H4OCnH2n+1-p (n = 6, 8, and 10)] react with silver thiolates AgSRm (Rm = CmH2m+1, m = 6, 8, 10, and 18) to give dinuclear derivatives with mixed bridges [Pd2(μ-Cl)(μ-SRm)Ln2] (3). Treatment of derivatives 2 with silver acetate (Pd/AgOAc = 2:1) or treatment of [Pd(μ-OAc)Ln]2 (1) with thiols HSRm (Pd/thiol = 2:1) affords acetato-thiolato bridged complexes [Pd2(μ-OAc)(μ-SRm)Ln2] (4). In addition to their mesogenic behavior, the most interesting feature of these complexes is the cis disposition of the palladium-imine moieties, that can be inferred from their 1H-NMR spectra. The cis structure as well as the disposition of the bridges was confirmed by the X-ray diffraction study of 3 (n = m = 4).
