Enantioselective synthesis of (S)-γ-acetylenic γ-aminobutyric acid (GABA)

Abstract
The enantioselective synthesis of (S)-γ-acetylenic γ-aminobutyric acid (GABA)1 by phthalimide displacement of the (R)-prop-2-ynylic alcohol 12(generated from acetal 4) is reported.