Journal
SYNTHETIC METALS
Volume 293, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2023.117291
Keywords
Azobenzene; Bis(indolyl)methane; Propylphosphonic anhydride; DPPH radical scavenging activity; Redox potential
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A practical and efficient synthesis of new electroactive azobenzene derivatives of bis(indolyl)methanes has been achieved via the Friedel-Crafts reaction using propylphosphonic anhydride as an activating agent. The synthesized compounds showed good antioxidant properties and their electrochemical redox behavior was assessed through cyclic voltammetry studies.
A practical and efficient synthesis of new electroactive azobenzene derivatives of bis(indolyl)methanes has been achieved via the Friedel-Crafts reaction of indole with 5-arylazosalicylaldehydes using propylphosphonic an-hydride (T3P (R)) as an activating agent. This protocol is distinguished by its operational simplicity, high product yields, short reaction time, good functional group tolerance, and environmental friendliness. The antioxidant properties of the synthesized compounds were explored by examining their radical scavenging effect on DPPH radicals and their electrochemical redox behavior was assessed using cyclic voltammetry studies.
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