SEARCH Articles Figures Tables Employing propargylic cations, anions, and radicals Propargyl anion Propargyl anion Propargyl anion system Propargyl-allenyl anions Propargylic anion equivalents Propargylic anion equivalents allenylsilanes Propargylic anion equivalents synthesis of substituted alkynes Propargylic-allylic anion