Synfacts, Table of Contents Synfacts 2020; 16(03): 0353DOI: 10.1055/s-0039-1691662 Peptide Chemistry © Georg Thieme Verlag Stuttgart · New YorkChiral Ammonium Salt Phase-Transfer-Catalyzed Synthesis of Quaternary β2,2-Amino Acids Authors Contributor(s): Hisashi Yamamoto Tomohiro Hattori Recommend Article Abstract Buy Article(opens in new window)Key words Key wordsquaternary ammonium salts - phase-transfer catalysis - β-amino acids - isoxazolidinones - quinone methides - asymmetric catalysis Full Text