Powerful chiral phase-transfer catalysts for the asymmetric synthesis of alpha-alkyl- and alpha,alpha-dialkyl-alpha-amino acids.
Kitamura
Masanori
M
Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan.
Shirakawa
Seiji
S
Maruoka
Keiji
K