2003•Advanced Synthesis & CatalysisRequires access

1‐Butyl‐3‐methylimidazolium Tetrafluoroborate ([Bmim]BF4) Ionic Liquid: A Novel and Recyclable Reaction Medium for the Synthesis of vic‐Diamines

J. S. Yadav, B. V. Subba Reddy, K. Premalatha

Abstract

Abstract Aziridines undergo ring opening smoothly with various arylamines in 1‐butyl‐3‐methylimidazolium tetrafluoroborate ([bmim]BF4) or 1‐butyl‐3‐methylimidazolium hexafluorophosphate ([bmim]PF6) ionic liquids under mild and neutral conditions to afford the corresponding vicinal‐diamines in excellent yields with high regioselectivity. The recovered activated ionic liquids are recycled for four to five runs with no loss of activity.

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Key concepts: Ionic liquid, Tetrafluoroborate, Hexafluorophosphate, Chemistry, Regioselectivity, Vicinal, Medicinal chemistry, Organic chemistry