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  A Greener Synthesis of 2-Aminochromenes in Ionic Liquid and Evaluation of their Antiproliferative Activities

  • Posted by Dr. Bhupender Singh
  • December 31, 2012
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  • 201 views

  An improved simple and facile synthesis of chromene derivatives by employing threecomponent one-pot condensation reaction of β-naphthol, aromatic aldehydes, and malononitrile in ionic liquids is described. The ionic liquid can be reused and recycl...
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  3-Substitued indoles: One-pot synthesis and evaluation of anticancer and Src kinase inhibitory activities

  • Posted by Dr. Bhupender Singh
  • August 15, 2011
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  • 635 views

  An efficient and economical method was developed for the synthesis of 3-substituted indoles by one-pot three-component coupling reaction of a substituted or unsubstituted benzaldehyde, N-methylaniline, and indole or N-methylindole using Yb(OTf)3–...
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  Microwave-Assisted and Scandium Triflate Catalyzed Synthesis of Tetra-hydrobenzo[a]-xanthen-11-ones

  • Posted by Dr. Bhupender Singh
  • August 15, 2011
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  • 1,018 views

  Synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-ones was achieved by one-pot condensation of b-naphthol, substituted benzaldehydes, and 1,3-dicarbonyl compounds catalyzed by Sc(OTf)3 under microwave irradiation in excellent isolated yields....