Ultrasonic activated efficient synthesis of chromenes using amino-silane modified Fe 3 O 4 nanoparticles: A versatile integration of high catalytic activity and facile recovery

Ultrasonic activated efficient synthesis of chromenes using amino-silane modified Fe 3 O 4... Introduction</h5> Synthesis of biologically active heterocyclic compounds is a thrust area in organic chemistry research worldwide and their syntheses have widely been explored [1–4] . In the broad class of heterocyclic systems, 4 H -pyrans and their derivatives possess a unique importance in medicinal and biological chemistry [5,6] . The 4 H -pyran were found to exhibit anti-proliferative, cancer chemopreventive, antimyopic, antirheumatic, anti-bacterial, hypotensive, and antiasthmatic activities [7–14] .</P>Among the important 4 H -pyran heterocyclic compounds, 2-amino-chromenes are widely used as pigments, potential agrochemicals, cosmetics, and represent an important class of chemical entities being the main constituents of many natural products [15–17] . Among various types of chromene systems, 2-amino-4 H -chromenes are of particular utility as they belong to privileged medicinal scaffolds serving for generation of small-molecule ligands with highly pronounced anticoagulant, diuretic, spasmolitic and antianaphylactic activities [18–23] . Moreover, the current interest in 2-amino-4 H -chromenes arises from their potential application in the treatment of human inflammatory TNFα-mediated diseases, such as psoriatic arthritis and rheumatoid and in cancer therapy [24–26] .</P>In view of these useful properties, various procedures have been focused on the development of environmentally friendly methodologies to synthesize 2-amino-4 H -chromene heterocyclics by cyclization http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Molecular Structure Elsevier

Ultrasonic activated efficient synthesis of chromenes using amino-silane modified Fe 3 O 4 nanoparticles: A versatile integration of high catalytic activity and facile recovery

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Publisher
Elsevier
Copyright
Copyright © 2014 Elsevier B.V.
ISSN
0022-2860
eISSN
1872-8014
D.O.I.
10.1016/j.molstruc.2014.04.023
Publisher site
See Article on Publisher Site

Abstract

Introduction</h5> Synthesis of biologically active heterocyclic compounds is a thrust area in organic chemistry research worldwide and their syntheses have widely been explored [1–4] . In the broad class of heterocyclic systems, 4 H -pyrans and their derivatives possess a unique importance in medicinal and biological chemistry [5,6] . The 4 H -pyran were found to exhibit anti-proliferative, cancer chemopreventive, antimyopic, antirheumatic, anti-bacterial, hypotensive, and antiasthmatic activities [7–14] .</P>Among the important 4 H -pyran heterocyclic compounds, 2-amino-chromenes are widely used as pigments, potential agrochemicals, cosmetics, and represent an important class of chemical entities being the main constituents of many natural products [15–17] . Among various types of chromene systems, 2-amino-4 H -chromenes are of particular utility as they belong to privileged medicinal scaffolds serving for generation of small-molecule ligands with highly pronounced anticoagulant, diuretic, spasmolitic and antianaphylactic activities [18–23] . Moreover, the current interest in 2-amino-4 H -chromenes arises from their potential application in the treatment of human inflammatory TNFα-mediated diseases, such as psoriatic arthritis and rheumatoid and in cancer therapy [24–26] .</P>In view of these useful properties, various procedures have been focused on the development of environmentally friendly methodologies to synthesize 2-amino-4 H -chromene heterocyclics by cyclization

Journal

Journal of Molecular StructureElsevier

Published: Aug 25, 2014

References

  • Chem. Rev.
    Tour, B.B.; Hall, D.G.
  • Ultrason. Sonochem.
    Jin, T.S.; Xiao, J.C.; Wang, S.J.; Li, T.S.
  • Chem. Catal. Chem.
    Zhu, Y.; Stubbs, L.P.; Ho, F.; Liu, R.; Ship, C.P.; Maguire, J.A.; Hosmane, N.S.
  • Nano Today
    Lim, C.W.; Lee, I.S.

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