METALLOMESOGENS DERIVED FROM CHELATING SCHIFF’S BASES CONTAINING 1,3,4-OXADIAZOLE AND 1,3,4-THIADIAZOLE: SYNTHESIS, CHARACTERIZATION AND STUDY OF MESOMORPHIC PROPERTIES

METALLOMESOGENS DERIVED FROM CHELATING SCHIFFS BASES CONTAINING 1,3,4-OXADIAZOLE AND 1,3,4-THIADIAZOLE: SYNTHESIS, CHARACTERIZATION AND STUDY OF MESOMORPHIC PROPERTIES

The preparation of copper (II) and palladium (II) complexes derived from ligands of Schiffs bases (L¹, L², L³, L4) incorporating 1,3,4-oxadiazole and 1,3,4-thiadiazole rings are reported. The thermal behaviour of the complexes was characterized by DSC, TGA and polarizing optical microscopy. Only the complexes derived from Schiff`s base L¹ display liquid crystalline properties. The complexes Ic and IIc, exhibit an enantiotropic smectic C phase, whereas the complexes IIa and IIb display dimorphism smectic C-nematic

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Bibliographic Details
Main Authors:	PARRA,MARIA, HERNÁNDEZ,SILVIA, ALDERETE,JOEL
Format:	Digital revista
Language:	English
Published:	Sociedad Chilena de Química 2003
Online Access:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072003000100010
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