Aparna De

Solvent-Free Microwave Enhanced Knoevenagel Condensation of Ethyl Cyanoacetate with Aldehydes

Abstract A high yielding and fast method of Knoevenagel condensation of ethyl cyanoacetate with various aldehydes under microwave irradiation using environment-friendly ammonium acetate in the absence of any solvent is described.

Application of Microwave Irradiation Techniques for the Syntheses of Cinnamic Acids by Doebner Condensation

Abstract The reaction rate of Doebner condensation to achieve cinnamic acids can be dramatically enhanced by irradiating the reaction mixture containing an aromatic aldehyde, malonic acid, pyridine and a trace of piperidine with a commercial microwave oven. Ten cinnamic acids were synthesized within 2-5 min in excellent yields.

Regeneration of Aldehydes from Bisulfite Addition Products in the Solid State using Montmorillonite KSF Clay under Microwave Irradiation

Microwave irradiation of bisulfite addition products with montmorillonite KSF clay under solvent-free conditions provides a fast, efficient and simple method for regeneration of aldehydes in excellent yields.

Microwave-assisted Syntheses of 1,2-Diketones

A comparative study of the conversion of a number of α-hydroxyketones into 1,2-diketones by three oxidants under microwave irradiation is reported.

An eco-friendly regeneration of aldehydes exploiting ammonium acetate under microwave irradiation

A number of bisulphite addition products and diacetates are deprotected separately to the corresponding aldehydes exploiting a green reagent, ammonium acetate in solvent-free conditions under microwave irradiation by a rapid, clean, efficient and high yielding method under environmentally benign conditions.

Solid State Regeneration of Ketones From Semicarbazones Using Antimony Trichloride Under Microwave Irradiation

Abstract Microwave irradiation of ketosemicarbazones with wet antimony trichloride under solvent-free condition provides a fast, efficient and simple method for the regeneration of ketones in good yields.

Regeneration of Ketones from Semicarbazones in the Solid State on Wet Silica Supported Sodium Bismuthate under Microwave Irradiation

Microwave irradiation of ketosemicarbazones on wet silica supported sodium bismuthate under environmentally benign solvent-free condition provides a fast, efficient and simple method for regeneration of ketones in good yields.