Water–SDS–[BMIm]Br composite system for one-pot multicomponent synthesis of pyrano[2,3-<i>c</i>]pyrazole derivatives and their structural assessment by NMR, X-ray, and DFT studies
Sourav Chakraborty, Bhaswati Paul, Utpal Chandra De, Ramalingam Natarajan, Swapan Majumdar
Abstract
Here, we report a simple, efficient, and green protocol for the one-pot synthesis of pyrano[2,3- c ]pyrazole derivatives via a sequential three-component strategy using aromatic aldehydes, malononitrile and pyrazolinone in a water–SDS–IL system.
Topics & Concepts
MalononitrilePyrazoleOne-pot synthesisChemistryComposite numberComponent (thermodynamics)Combinatorial chemistryOrganic chemistryMaterials scienceCatalysisComposite materialPhysicsThermodynamicsMulticomponent Synthesis of HeterocyclesSynthesis and biological activitySynthesis of Organic Compounds