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An efficient and clean synthesis of bis(indolyl)methanes in a protic solvent at room temperature
Electrophilic substitution reactions of indoles with various aldehydes were carried out in a protic solvent at room temperature in the absence of any other catalyst to afford bis(indolyl)-methanes in… Expand
Stereoselective intramolecular hetero Diels-Alder reactions of 1-oxa-1,3-butadienes: synthesis of novel annelated pyrrolo(1,2-a)indoles
Novel classes of pyrano-1,3-dioxane-, pyranopyrimidine- and pyranopyrazole-fused pyrrolo[1,2-a]indoles are synthesised via stereoselective intramolecular 1-oxa-1,3-butadiene hetero Diels–Alder… Expand
Sodium Bromide Catalyzed One-Pot Synthesis of Tetrahydrobenzo[b]pyrans via a Three-Component Cyclocondensation under Microwave Irradiation and Solvent-Free Conditions.
An Efficient and Clean Synthesis of Bis(indolyl)methanes in a Protic Solvent at Room Temperature.
A Facile Synthesis of 6,12-Disubstituted 5,7-Dihydroindolo(2,3-b)carbazoles from the Reaction of 1H-Indole and Aldehydes Catalyzed by Molecular Iodine
The reaction of 1 H-indole and various aldehydes in the presence of molecular iodine as a catalyst in refluxing acetonitrile affords 6,12-disubstituted 5,7-dihydroindolo[2,3- B]carbazoles in good to… Expand
A Novel Three-Component One-Pot Synthesis of Pyrano[2,3-d]pyrimidines and Pyrido[2,3-d]pyrimidines Using Microwave Heating in the Solid State.
Synthesis of Novel Pyrano[2,3‐b]quinolines from Simple Acetanilides via Intramolecular 1,3‐Dipolar Cycloaddition.
Uncatalysed Knoevenagel condensation in aqueous medium at room temperature
Abstract Knoevenagel condensation of various aromatic and heteroaromatic aldehydes with active methylene compounds like malononitrile, ethyl cyanoacetamide, ethyl cyanoacetate, barbituric acids,… Expand
Sodium bromide catalysed one-pot synthesis of tetrahydrobenzo[b]pyrans via a three-component cyclocondensation under microwave irradiation and solvent free conditions
Abstract Sodium bromide catalysed three-component cyclocondensation of aryl aldehydes, alkyl nitriles and dimedone proceeds under microwave irradiation in solvent free conditions to give highly… Expand
A novel three-component one-pot synthesis of pyrano[2,3-d]pyrimidines and pyrido[2,3-d]pyrimidines using microwave heating in the solid state
Abstract Microwave-assisted three-component cyclocondensation of barbituric acids 1 , benzaldehyde 2 and alkyl nitriles 3 proceeds in the absence or presence of triethylamine to afford… Expand