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 th...
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Sociedad Chilena de Química
2003
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| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072003000100010 |
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oai:scielo:S0717-970720030001000102003-05-15METALLOMESOGENS DERIVED FROM CHELATING SCHIFFS BASES CONTAINING 1,3,4-OXADIAZOLE AND 1,3,4-THIADIAZOLE: SYNTHESIS, CHARACTERIZATION AND STUDY OF MESOMORPHIC PROPERTIESPARRA,MARIAHERNÁNDEZ,SILVIAALDERETE,JOEL Cu (II) and Pd (II) complexes Mesomorphic behaviour Liquid crystals metallomesogens 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-nematicinfo:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.48 n.1 20032003-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072003000100010en10.4067/S0717-97072003000100010 |
| institution |
Scielo Chile |
| collection |
Scielo Chile |
| language |
English |
| topic |
Cu (II) and Pd (II) complexes Mesomorphic behaviour Liquid crystals metallomesogens |
| spellingShingle |
Cu (II) and Pd (II) complexes Mesomorphic behaviour Liquid crystals metallomesogens PARRA,MARIA HERNÁNDEZ,SILVIA ALDERETE,JOEL METALLOMESOGENS DERIVED FROM CHELATING SCHIFFS BASES CONTAINING 1,3,4-OXADIAZOLE AND 1,3,4-THIADIAZOLE: SYNTHESIS, CHARACTERIZATION AND STUDY OF MESOMORPHIC PROPERTIES |
| description |
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 |
| author |
PARRA,MARIA HERNÁNDEZ,SILVIA ALDERETE,JOEL |
| author_facet |
PARRA,MARIA HERNÁNDEZ,SILVIA ALDERETE,JOEL |
| author_sort |
PARRA,MARIA |
| title |
METALLOMESOGENS DERIVED FROM CHELATING SCHIFFS BASES CONTAINING 1,3,4-OXADIAZOLE AND 1,3,4-THIADIAZOLE: SYNTHESIS, CHARACTERIZATION AND STUDY OF MESOMORPHIC PROPERTIES |
| title_short |
METALLOMESOGENS DERIVED FROM CHELATING SCHIFFS BASES CONTAINING 1,3,4-OXADIAZOLE AND 1,3,4-THIADIAZOLE: SYNTHESIS, CHARACTERIZATION AND STUDY OF MESOMORPHIC PROPERTIES |
| title_full |
METALLOMESOGENS DERIVED FROM CHELATING SCHIFFS BASES CONTAINING 1,3,4-OXADIAZOLE AND 1,3,4-THIADIAZOLE: SYNTHESIS, CHARACTERIZATION AND STUDY OF MESOMORPHIC PROPERTIES |
| title_fullStr |
METALLOMESOGENS DERIVED FROM CHELATING SCHIFFS BASES CONTAINING 1,3,4-OXADIAZOLE AND 1,3,4-THIADIAZOLE: SYNTHESIS, CHARACTERIZATION AND STUDY OF MESOMORPHIC PROPERTIES |
| title_full_unstemmed |
METALLOMESOGENS DERIVED FROM CHELATING SCHIFFS BASES CONTAINING 1,3,4-OXADIAZOLE AND 1,3,4-THIADIAZOLE: SYNTHESIS, CHARACTERIZATION AND STUDY OF MESOMORPHIC PROPERTIES |
| title_sort |
metallomesogens derived from chelating schiffs bases containing 1,3,4-oxadiazole and 1,3,4-thiadiazole: synthesis, characterization and study of mesomorphic properties |
| publisher |
Sociedad Chilena de Química |
| publishDate |
2003 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072003000100010 |
| work_keys_str_mv |
AT parramaria metallomesogensderivedfromchelatingschiffsbasescontaining134oxadiazoleand134thiadiazolesynthesischaracterizationandstudyofmesomorphicproperties AT hernandezsilvia metallomesogensderivedfromchelatingschiffsbasescontaining134oxadiazoleand134thiadiazolesynthesischaracterizationandstudyofmesomorphicproperties AT alderetejoel metallomesogensderivedfromchelatingschiffsbasescontaining134oxadiazoleand134thiadiazolesynthesischaracterizationandstudyofmesomorphicproperties |
| _version_ |
1718445322297933824 |