Journal of Organometallic Chemistry p. 137 - 145 (1996)
Update date:2022-08-05
Topics:
Buey, Julio
Espinet, Pablo
Several types of ortho-palladated complexes derived from the imines HLn = p-CnH2n - 1 O-C6H4-CH=N-C6H4-OCnH2n + 1-p (n = 2, 4, 6, 8 and 10) have been prepared and their mesogenic properties studied. The types include the dinuclear complexes [Pd(μ-X)Ln]2 with X = Cl, OAc, (R)-2-Cl-propionato or (S)-2-Br-propionato, and the mononuclear complexes [Pd(acac)Ln] and [Pd(NHacac)Ln] (NHacac = 4-amino-3-penten-2-onate). Most of the complexes (except the acetato derivatives and some others with very short alkoxy chains) show liquid-crystal behavior. Nematic, smectic A and smectic C phases are found. Most of the derivatives with chiral carboxylates display double melting behavior.
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Doi:10.1515/znb-2006-0516
(2006)Doi:10.1016/S0040-4039(99)01310-6
(1999)Doi:10.1016/S0040-4020(02)00207-7
(2002)Doi:10.1021/ol0057939
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(1996)