An ecofriendly green approach for synthesis of substituted pyrano [2, 3-c] pyrazoles has
been developed via a multicomponent one pot approach in aqueous ethanol medium under …

An efficient one-pot synthesis of spiro [indoline-3, 4′-pyrano [2, 3-c] pyrazole] derivatives by
four-component reaction of hydrazine, β-keto ester, isatin, and malononitrile or ethyl …

An efficient enantioselective synthesis of spiro [indoline-3, 4′-pyrano [2, 3-c] pyrazole]
derivatives by a cascade reaction between pyrazolones and isatylidene malononitriles is …

Electrochemically induced catalytic multicomponent transformation of isatins, 3-methyl-2-
pyrazolin-5-ones and malononitrile in ethanol in an undivided cell in the presence of sodium …

This review article represents a survey covering the synthetic strategies leading to 5-
membered heterocycles. The reactions are subdivided into groups that cover the synthetic …

A rapid, straightforward, and highly efficient one-pot synthesis of pyrano [2, 3-c] pyrazole
derivatives and spiro-conjugated pyrano [2, 3-c] pyrazole has been developed based on …

Full article: Solvent-Free One-Pot Synthesis of Spiro[indoline-3,4′(1H′)-pyrano[2,3-c]pyrazol]-2-one
Derivatives by Grinding Skip to Main Content Taylor and Francis Online homepage Taylor …

A simple and fast three‐component diastereoselective synthesis of biologically important
spiro scaffold 4 was carried out in reasonable purity starting from readily available 1H …

Dioxo‐2, 3‐dihydro‐1H‐inden‐2‐ylidene) propanedinitrile (1, in ethyl acetate solution), 3‐
(dicyano‐methylene)‐2‐indolone (2, in ethanol/piperidine solution) and 7, 7′, 8, 8 …

HETEROCYCLES SYNTHESIS THROUGH REACTIONS OF INDOLIN-2-ONE DERIVATIVES
WITH ACTIVE METHYLENE AND AMINO REAGENTS, PART 3, NOVEL AN Page 1 …