Liquid crystals based on ortho-palladated azines: non planar mesogens

  1. Espinet, P. 2
  2. Lalinde, E. 1
  3. Marcos, M. 3
  4. Perez, J. 2
  5. Serrano, J.L. 3
  1. 1 Universidad de Zaragoza
    info

    Universidad de Zaragoza

    Zaragoza, España

    ROR https://ror.org/012a91z28

  2. 2 Universidad de Valladolid
    info

    Universidad de Valladolid

    Valladolid, España

    ROR https://ror.org/01fvbaw18

  3. 3 Instituto de Nanociencia y Materiales de Aragón
    info

    Instituto de Nanociencia y Materiales de Aragón

    Zaragoza, España

    ROR https://ror.org/031n2c920

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Revista:
Organometallics

ISSN: 0276-7333

Año de publicación: 1990

Volumen: 9

Número: 3

Páginas: 555-560

Tipo: Artículo

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SCOPUS: 2-s2.0-0025401573 GOOGLE SCHOLAR

Otras publicaciones en: Organometallics

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Resumen

The synthesis and mesogenic properties of the complexes [Pd(CnH2n+1OC6H3CH=N-N= CHC6H4OCnH2n+1){μ-O 2CCH3}]2 [I(n), n = 2, 6-10, 12, and 14] and [Pd(C10H21OC6H3CH=N-N= CHC6H4OC10H21){μ-X}]2 [X = Cl (II), Br (III), and SCN (IV)] are described. Not unexpectedly, II, III, and IV, which are planar dimers, show SC mesophases. More interestingly the open-book-shaped dimers I(n) also exhibit N and/or SC mesophases if the alkoxylic chains are sufficiently long (n ≥ 6). In spite of their unusual molecular shape, the mesophases resemble those produced by typical rodlike molecules. © 1990 American Chemical Society.