An Efficient Catalytic Synthesis of 1,8-Dioxo-octahydroxanthene Derivatives with Anti-oxidant Scanning

Document Type : Original Article

Authors

1 aOrganometallic-Organometalloid Chemistry Department, Chemical Industries Research Division, National Research Centre, 33 El-Behouth St., Dokki, 12622, Cairo, Egypt

2 bChemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt

3 Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt

Abstract

Eco-friendly one pot synthesis is developed for 1,8-dioxo-octahydroxanthenes from aldehydes and dimedone using non-toxic, easily prepared and recyclable catalyst (Sm2O3/SiO2) as a silica supported rare earth element under solvent –free conditions. four of the synthesized compounds showed promising ABTS (3i, 68.7; 3b, 59.2; 3h, 50.2 inhibition%) compared with ascorbic acid.

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History

  • Receive Date: 31 March 2018
  • Revise Date: 24 May 2018
  • Accept Date: 28 May 2018

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