Catalytic synthesis of warfarin acetals by using different heteropolyacid catalysts

• Authors: Ali Gharib , Manouchehr Jahangir , Mina Roshani , J. Scheeren , Sara Mohadeszadeh , Lida Bakhtiari , Shirin Lagzian
• Languages of publication: EN

Abstracts

EN

In this research, we report on the synthesis of warfarin acetals by using Preyssler's anion, [NaP5W30O110]-14 and heteropolyacids (HPAs) catalysts. This reaction was performed using methanol and ethanol at reflux temperature conditions. Under these conditions we have excellent yields and high selectivity. Preyssler heteropolyacid catalyst were easily recycled recovery and reused without the loss of its catalytic activities. The synthesis of warfarin acetals has been achieved using the catalytic amounts of green, inexpensive and eco-friendly Keggin types heteropolyacids. The products were obtained in high yields.

Keywords

EN

Heteropolyacid; Preyssler; Catalyst; Warfarin; Cyclic acetals

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2011
• Volume: 13
• Issue: 3
• Pages: 5-11

Dates

published

1 - 1 - 2011

online

5 - 10 - 2011

Contributors

author

Ali Gharib

author

Manouchehr Jahangir

• Department of Chemistry, Islamic Azad University, Mashhad, IRAN

author

Mina Roshani

• Department of Chemistry, Islamic Azad University, Mashhad, IRAN

author

J. Scheeren

• Cluster for Molecular Chemistry, Department of Organic Chemistry, Radboud University Nijmegen, The Netherlands

author

Sara Mohadeszadeh

• Agricultural Researches and Services Center, Mashhad, IRAN

author

Lida Bakhtiari

• Agricultural Researches and Services Center, Mashhad, IRAN

author

Shirin Lagzian

• Agricultural Researches and Services Center, Mashhad, IRAN

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Identifiers

DOI

10.2478/v10026-011-0029-2