Facile synthesis of spiro-pyrazolone-tetrahydrofurans/pyrans: <i>ipso</i>-cyclization of arylidene pyrazolones with haloalcohols
Kavyashree Kuppayya Gond, Mahagundappa Rachappa Maddani
Abstract
Facile synthesis of spiro-pyrazolone-tetrahydrofurans & pyrans by base-mediated cascade ipso -cyclization of haloalcohols & arylidine pyrazolones is realised. Features include brief reaction time, practicality, good yields and mild reaction conditions.
Topics & Concepts
PyrazolonesPyrazoloneChemistryBase (topology)CascadeReaction conditionsOrganic chemistryCombinatorial chemistryMedicinal chemistryCatalysisMathematicsChromatographyMathematical analysisSulfur-Based Synthesis TechniquesChemical Synthesis and ReactionsSynthesis of heterocyclic compounds