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2011 | 13 | 3 | 5-11
Tytuł artykułu

Catalytic synthesis of warfarin acetals by using different heteropolyacid catalysts

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
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.
Słowa kluczowe
Wydawca
Rocznik
Tom
13
Numer
3
Strony
5-11
Opis fizyczny
Daty
wydano
2011-01-01
online
2011-10-05
Twórcy
autor
  • Department of Chemistry, Islamic Azad University, Mashhad, IRAN
autor
  • Department of Chemistry, Islamic Azad University, Mashhad, IRAN
autor
  • Cluster for Molecular Chemistry, Department of Organic Chemistry, Radboud University Nijmegen, The Netherlands
  • Agricultural Researches and Services Center, Mashhad, IRAN
  • Agricultural Researches and Services Center, Mashhad, IRAN
  • Agricultural Researches and Services Center, Mashhad, IRAN
Bibliografia
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  • Kozhevnikov, I.V. (2003). Friedel-Crafts acylation and related reactions catalysed by heteropoly acids. Applied Catalysis A: General. 256, 3-18. DOI:10.1016/S0926-860X(03)00406-X.[Crossref]
  • Bamoharram, F.F., Heravi, M.M., Roshani, M., Jahangir, M. & Gharib, A. (2007). Effective direct esterification of butanol by eco-friendly Preyssler catalyst, [NaP5W30O110]14-. J. Mol. Catal. 271, 126-130. DOI:10.1016/j.molcata.2007.02.034.[WoS][Crossref]
  • Bamoharram, F.F., Heravi, M.M., Roshani, M., Gharib, A. & Jahangir M. (2006). A catalytic method for synthesis of γ-butyrolactone, ε-caprolactone and 2-cumaranone in the presence of Preyssler's anion, [NaP5W30O110]14-, as a green and reusable catalyst. J. Mol. Catal. 252, 90-95. DOI:10.1016/j.molcata.2006.01.067.[Crossref]
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_v10026-011-0029-2
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