Author： Rao N.V.S. Paul M.K.r.
Publisher： Taylor & Francis Ltd
ISSN： 1058-725X
Source： Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, Vol.393, Iss.1, 2003-01, pp. : 57-66
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Abstract
The bent-shaped tetra dentate Schiff's base ligands N,N
-bis [5-(4-n-alkyl)phenylazosalicylidene] alkyldiamine H2L(n = 12) based on 1,1-, 1,2-, and 1,3-diamines viz., urea, diaminomaleonitrile, 1,2-phenylenediamine, and 4-nitro-1,3-phenylenediamine with the following molecular structure: where B is the bridging group 1,1-diamine ex: urea; and 1,2-diamine ex: diaminomaleonitrile and 1,2-phenylenediamine and 1,3-diamine ex: 4-nitro-1, 3-phenylenediamine were synthesized and characterized. All the compounds exhibit liquid crystalline properties.
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