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Synthesis of dihydropyrazolo[3′,4′:3,4]pyrrolo[1,2-a]indoles and spiro-[3H-indole-3,3′-[Δ-1,2,4]-triazolin]-2-ones via intra and intermolecular 1,3-dipolar cycloadditions
Authors:Dipak Prajapati  Sunil Gadhwal
Affiliation:Department of Medicinal Chemistry, Regional Research Laboratory, Jorhat 785 006, Assam, India
Abstract:A new class of dihydropyrazolo[3′,4′:3,4]pyrrolo[1,2-a]indoles and spiro[3H-indole-3,3′-[Δ2-1,2,4]-triazoline]-2-ones were synthesised via intra and intermolecular 1,3-dipolar cycloaddition reactions in good yields.
Keywords:Intramolecular cycloaddition   Spiroindoles   Dihydropyrazolopyrrolo indoles   Triazolines   Intermolecular cycloaddition
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