H3PMo12O40 immobilized chitosan/Fe3O4 as a novel efficient, green and recyclable nanocatalyst in the synthesis of pyrano-pyrazole derivatives

Ali Ayati, Majid M. Heravi, Mansoureh Daraie, Bahareh Tanhaei, Fatemeh F. Bamoharram, Mika Sillanpaa

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

A novel nanomagnetic composite heteropolyacid immobilized chitosan/Fe3O4 was prepared via a facile one-pot synthetic approach. This magnetically recoverable nanocatalyst, H3PMo12O40/chitosan/Fe3O4 (PMo/chit/Fe3O4), was fully characterized by XRD, FTIR, SEM and EDX analysis methods. A rapid, efficient and the chemoselective synthesis of different pyrano-pyrazole derivatives was achieved in excellent yields via a one-pot four-component reaction in the presence of catalytic amount of PMo/Chit/Fe3O4.

Original languageEnglish
Pages (from-to)2301-2308
Number of pages8
JournalJournal of the Iranian Chemical Society
Volume13
Issue number12
DOIs
Publication statusPublished - 1 Dec 2016
Externally publishedYes

Keywords

  • Green chemistry
  • Heterogeneous catalysis
  • Heteropolyacids
  • MCRs
  • Magnetic catalyst
  • Multicomponent reaction
  • One-pot reactions
  • Pyrano-pyrazoles

ASJC Scopus subject areas

  • General Chemistry

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