Microwave-Induced Stereoselective Conversion of Stabilized Phosphorus Ylides to Electron Poor (Z)-N-Vinylimides in the Presence of Supported Catalysts on Silica Gel in Solvent-Free Conditions

Ali Reza Kazemizadeh Department of Chemistry, The University of Zanjan, Zanjan, Iran; Department of Chemistry, Islamic Azad University-Zanjan Branch, Zanjan, Iran

Ebrahim Ahmadi Department of Chemistry, The University of Zanjan, Zanjan, Iran

Farzin Marandi Department of Science, Payame Noor University of Zanjan, Zanjan, Iran

Ali Ramazani Department of Chemistry, The University of Zanjan, Zanjan, Iran

Abstract

Supported catalyst on silica-gel were found to catalyze stereoselective conversion of dialkyl 2-(imido-N-yl)-3-triphenylphosphoranylidene)butanedioates to electron-poor (Z)-N-vinylimides in solvent-free conditions under microwave irradiation in 2 to 3 minutes in high conversions. The reaction is completely stereoselective.

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The Zanjan University supported this work.

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Microwave-Induced Stereoselective Conversion of Stabilized Phosphorus Ylides to Electron Poor (Z)-N-Vinylimides in the Presence of Supported Catalysts on Silica Gel in Solvent-Free Conditions

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Microwave-Induced Stereoselective Conversion of Stabilized Phosphorus Ylides to Electron Poor (Z)-N-Vinylimides in the Presence of Supported Catalysts on Silica Gel in Solvent-Free Conditions

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