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Ultrasound-Promoted 1,3-Dipolar Cycloaddition of Azomethine Yields for Synthesis of Dispiropyrrolidineoxindole Derivatives in Hexyltriphenylphosphonium Bromide As an Ionic Liquid, and the Evaluation of Their Anti-Cancer Activity Publisher



Matloubi Moghaddam F1 ; Hosseinzadeh N1 ; Safari F2 ; Foroumadi A3
Authors
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Authors Affiliations
  1. 1. Laboratory of Organic Synthesis and Natural Products, Department of Chemistry, Sharif University of Technology, Tehran, Iran
  2. 2. Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
  3. 3. Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran, University of Medical Sciences, Tehran, Iran

Source: Journal of Heterocyclic Chemistry Published:2023


Abstract

A green, effortless, and protective one-pot three-component process for the synthesis of derivatives using cycloadition catching azomethineylides in situ created by means of decarboxylative build-up of sarcosine and isatin has been developed in hexyltriphenylphosphonium bromide (HTPB) as an ionic liquid and recyclable solvent in supreme yield without the use of a catalyst under ultrasonic irradiation. This method offers mild reaction conditions, excellent products yields in shorter reaction times, ease of operation and environmentally friendly process and high ragio and stereoselectivity. The anticancer activity of all new compounds has been investigated against four cell lines. Also, the structures were authenticated by both spectroscopic techniques and signal crystal X-ray analysis. © 2022 Wiley Periodicals LLC.