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 AcidsContributor(s): Hisashi Yamamoto , Tomohiro HattoriRecommend Article Abstract Buy ArticleKey words Key wordsquaternary ammonium salts - phase-transfer catalysis - β-amino acids - isoxazolidinones - quinone methides - asymmetric catalysis Full Text