Synthesis of Pyrrolizidine Derivatives in Ionic Liquid [bmim] Br

Laleh      Faraji; Hamid      Arvinnezhad; Naghmeh      Alikami; Khosrow      Jadidi

doi:10.2174/157017810791824946

Abstract

Pyrrolizidines were synthesized from 1,3-dipolar cycloaddition of N-substituted isatins, proline, and olefins. The highly diastereoselective and regioselective one-pot three-component cyclocondensation products were obtained in the presence of ionic liquids such as 1-buthyl-3-methlylimidazolium bromide.

Keywords: Pyrrolizidines, ionic liquid, isatine, diastereoselective, 1,3-dipolar cycloaddition

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Letters in Organic Chemistry

Title: Synthesis of Pyrrolizidine Derivatives in Ionic Liquid [bmim] Br

Volume: 7 Issue: 6

Author(s): Laleh Faraji, Hamid Arvinnezhad, Naghmeh Alikami and Khosrow Jadidi

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Keywords: Pyrrolizidines, ionic liquid, isatine, diastereoselective, 1,3-dipolar cycloaddition

Abstract: Pyrrolizidines were synthesized from 1,3-dipolar cycloaddition of N-substituted isatins, proline, and olefins. The highly diastereoselective and regioselective one-pot three-component cyclocondensation products were obtained in the presence of ionic liquids such as 1-buthyl-3-methlylimidazolium bromide.

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Faraji Laleh, Arvinnezhad Hamid, Alikami Naghmeh and Jadidi Khosrow, Synthesis of Pyrrolizidine Derivatives in Ionic Liquid [bmim] Br, Letters in Organic Chemistry 2010; 7 (6) . https://dx.doi.org/10.2174/157017810791824946