• ANSHU DANDIA

      Articles written in Journal of Chemical Sciences

    • Ionic liquid-mediated three-component synthesis of fluorinated spiro-thiazine derivatives and their antimycobacterial and DNA cleavage activities

      Anshu Dandia Ruby Singh Deepti Saini

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      A simple, green and catalyst-free novel protocol is developed for the synthesis of medicinally important spiro[indole-3,2'[1,3]-thiazine]-2,4'-dione and spiro[acenaphthylene-1,2'-[1,3]thiazine]dione libraries by the tandem reaction of readily available reagents in 1-butyl-3-methylimidazolium hexafluorophosphate [bmim][PF6]. The ionic liquid has been used as a solvent as well as catalyst for this reaction. This reaction proceeded smoothly in good to excellent yields and offered several other advantages including short reaction time, simple experimental workup procedure and no by-products. The synthesized compounds were subjected to antimycobacterial efficacy against Mycobacterium tuberculosis H37Rv strain and DNA cleavage activity.

    • Synthesis of meso-substituted corroles and porphyrins using iodine as a catalyst

      ANSHU DANDIA SHIVE M S CHAUHAN

      More Details Abstract Fulltext PDF

      Different types of corroles and porphyrins are synthesized from substituted aldehydes and pyrrole. The current synthetic method involves iodine as catalyst and proceeds at room temperature itself. By varying the amounts of reactants (i.e., pyrrole and aldehydes), the corrole and porphyrins were obtained ingood to excellent yields. These products were characterized by 1H-NMR, UV-visible, and HRMS techniques. The reaction approach utilizes the readily available pyrrole and substituted aldehydes as starting materials and makes this reaction highly attractive in diversity-oriented synthesis

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