Abstract
This work, which can be considered as a complement to our previous studies concerning chemical energy storage systems developing programmed, proposes the synthesis of new azo-Schiff bases derived from 1, 5-diaminoanthraquinone (DAAQ) resulting in an improvement in their absorption spectra. Five new derivatives (An1-An5) were synthesized by gentle fusing of (1 mmol of DAAQ) with (2 mmol) of early prepared azo derivatives of 2-hydroxy benzaldyhde. Medium to good yield was recorded on applying this method. Microwave irradiation of the same mixtures led to decomposition of the starting azo materials whereas prolonged reflux in DMSO was unproductive.
Highlights
Any proposal to address the energy issue must include competitive, cheap, technically simple and realistic solution. otherwise the problem of impacting the finite fossil energy sources will last, and mankind will continue to suffer from price fluctuations that burden the budget of countries and individuals alike.Azo-Schiff bases are interesting sort of organic compounds which received the attention of workers in the various fields of applied chemistry for having both effective groups in their backbones: (CH=N) and (N=N) [1,2,3,4,5,6]
Experimental: 2-1 Physical measurements:Uncorrected melting points of the synthesized compounds were recorded using Stuart-SMP11 melting point apparatus. (UV-VIS) spectrophotometer-PG+92 was used to record the electronic spectra of the synthesized compounds as solutions in DMSO
The second step shows the synthesis of the title compounds
Summary
Azo-Schiff bases are interesting sort of organic compounds which received the attention of workers in the various fields of applied chemistry for having both effective groups in their backbones: (CH=N) and (N=N) [1,2,3,4,5,6]. Botros [1], diligent and probing efforts in diverse approaches concerning promotion of this type of chemicals have been spent Their multi sites of coordination were precious opportunity for those who carry out researches. In the recent study five new azo-Schiff bases were synthesized by fusing (2 mmol) of early prepared azo-benzaldehyde compounds with (1 mmol) of 1, 5-diaminoanthraquinone to examine their potent as storage system in the upcoming exertion
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