A simple and eco-friendly microwave mediated route the synthesis of novel antimicrobial substituted quinoline-2-thiones

Mohammed H. Geesi, Azzam Ahmed Mohammed Al-Hadedi, Mohammed A. Bakht, Abdellah Kaiba, Meryem Boukili, Mohammed B. Alshammari, Oussama Dehbi, Yassine Riadi

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

An eco-friendly and efficient method was developed for the preparation of a new series of sulfur-containing quinolinthiones. Compounds 6a–o were synthesized from 4-methyl-2-thiocoumarin and arylhydrazides using water as a solvent under microwave irradiation. Some noteworthy features of our novel method are its cleanliness, short reaction time and high conversion rate, and the reaction proceeds (profiles) using a simple procedure. All of the prepared compounds were screened for their antibacterial efficacy in vitro using the disc diffusion method against bacterial strains. Compound (6j) showed the greatest potency with a 16 and 19 mm inhibition zone against Klebsiella pneumonia and Staphylococcus aureus, respectively.

Original languageEnglish
Pages (from-to)469-475
Number of pages7
JournalGreen Chemistry Letters and Reviews
Volume11
Issue number4
DOIs
StatePublished - 2 Oct 2018

Keywords

  • Green chemistry
  • Methyl-2-thiocoumarin
  • Microwave
  • Quinolinthiones
  • Water

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