Ionic Liquid–Promoted Stereoselective Synthesis of (Z)‐Vinyl Bromides by [bmIm]OH under Organic Solvent–Free Conditions: A Green Approach

Abstract

A simple and easily accessible ionic liquid, 1‐butyl‐3‐methylimidazolium hydroxide ([bmIm]OH), has been demonstrated as an efficient promoter and reaction medium for the highly stereoselective synthesis of (Z)‐vinyl bromides by the debrominative decraboxylation of dibrominated α,β‐unsaturated carboxylic acids in high yields. The reaction does not require either a conventional base or an organic solvent.

Keywords:

• debrominative decarboxylation
• green synthesis
• ionic liquid
• (Z)‐vinyl bromides

Acknowledgments

This investigation has enjoyed financial support from Council of Scientific and Industrial Research (CSIR), New Delhi [Grant No. 01(1936)/04]. S. B. also thanks CSIR for this fellowship.