2021
DOI: 10.4236/ijoc.2021.111004
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Design, Microwave Assisted Synthesis of Some Schiff Bases Derivatives of Congo Red and Conventional Preparation of Their Structurally Reversed Analogous Compounds

Abstract: This work contributes to the improvement of the azo group which has outstanding electron donating capability and serves as excellent ligands in the field of coordination chemistry. The authors of this research deal with the microwave irradiation synthesis of some new Schiff bases derived from the biologically effective and photoactive Congo red [Ia-g]. The design and preparation of the structurally reversed analogous compounds to the above compounds [IIIa-d] were accomplished using the conventional chemical me… Show more

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Cited by 4 publications
(1 citation statement)
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“…UV-Vis of the ligand L1 (Figure S5, blue line) showed a broad absorption band in the region from 270 to 350 nm. This band corresponds to the π-π* transitions due to conjugation of the phenyl ring C with N-N=CH linkage [36]. The strong auxochromic effect of the NO 2 group in the meta position causes a marked bathochromic shift towards the 430 nm region.…”
Section: Uv-vis Spectroscopy Was Proposedmentioning
confidence: 95%
“…UV-Vis of the ligand L1 (Figure S5, blue line) showed a broad absorption band in the region from 270 to 350 nm. This band corresponds to the π-π* transitions due to conjugation of the phenyl ring C with N-N=CH linkage [36]. The strong auxochromic effect of the NO 2 group in the meta position causes a marked bathochromic shift towards the 430 nm region.…”
Section: Uv-vis Spectroscopy Was Proposedmentioning
confidence: 95%