Schiff base of 4-n-alkoxy-2-hydroxy benzaldehyde with 4-amino acetophenone and their Cu(II) complexes: synthesis, characterization and mesomorphic behavior

New homologous series of Schiff's base of 4-n-Alkoxy-2-hydroxy benzaldehyde (n = 2 to 8, 10, 12, 14, 16, 18) with 4-amino acetophenone and their Cu(II) metal complexes have been synthesized. The compounds were characterized using various spectroscopic techniques including FT-IR, 1 H-NMR, 13 C-N...

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Bibliographic Details
Published inMolecular Crystals and Liquid Crystals Vol. 690; no. 1; pp. 1 - 13
Main Authors Nakum, Kiran J., Katariya, Kanubhai D., Jadeja, R. N., Prajapati, A. K.
Format Journal Article
LanguageEnglish
Published Philadelphia Taylor & Francis 02.09.2019
Taylor & Francis Ltd
Subjects
Acetophenone
Benzaldehyde
Coordination compounds
Copper
Homology
Imines
Liquid crystal
Metal complexes
metallomesogens
NMR
Nuclear magnetic resonance
Optical microscopes
Optical properties
salicylaldimine
Schiff base
smectic-A phase
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Summary:New homologous series of Schiff's base of 4-n-Alkoxy-2-hydroxy benzaldehyde (n = 2 to 8, 10, 12, 14, 16, 18) with 4-amino acetophenone and their Cu(II) metal complexes have been synthesized. The compounds were characterized using various spectroscopic techniques including FT-IR, 1 H-NMR, 13 C-NMR. Mesomorphic properties of these compounds have been investigated with polarizing optical microscope and differential scanning calorimeter. These compounds exhibit wide range SmA phase as confirmed by their typical optical texture under polarizing microscope.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2019.1673534