Preparation of New Azo-polyesters containing Chalcone Moiety in the main chain

Laila S. Diab; Tareg M. Elsunaki

المؤلفون

Laila S. Diab Chemistry Department, Faculty of Science, Misurata University, Libya
Tareg M. Elsunaki Chemistry Department, Faculty of Science, Misurata University, Libya

الكلمات المفتاحية:

azopolyester، interfacial، Interfacial polycondensation، chalcone

الملخص

A series of four azopolyesters were synthesized by the interfacial Polycondensation technique of a chalcone diphenols; (E)-1،3-bis(4-hydroxyphenyl)prop-2-en-1-one I or(E)-3-(4-hydroxy-3-methoxyphenyl)-1(4hydroxyphenyl)prop-2-en-1-one II with diacid chlorides namely 3,3'-Azo dibenzoyl chloride III and 4,4'-Azo dibenzoyl chloride IV. Initially, the two chalcone moieties I, II were prepared by reacting two equivalents of 4-hydroxy benzylidene or 4-hydroxy-3-methoxy benzaldehyde with one equivalent of 4-Hydroxy acetophenone in the presence of a catalytic amount of concentrated HCl and EtOH as a solvent at reflux. The resulting azopolyesters were characterized by elemental analyses and IR spectroscopy.

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