作者: Mario Waser , Katharina Gratzer , Richard Herchl , Norbert Müller
DOI: 10.1039/C1OB06573D
关键词: Chemistry 、 Molecule 、 Design synthesis 、 Tartaric acid 、 Chiral phase 、 Ammonium 、 Glycine 、 Catalysis 、 Organic chemistry
摘要: A novel class of tartaric acid-derived N-spiro quaternary ammonium salts was synthesised starting from known TADDOLs. These compounds were found to catalyse the asymmetric α-alkylation glycine Schiff bases with high enantioselectivities and in good yields.