Keiko Fukuda

Modified guanidines as chiral superbases: the first example of asymmetric silylation of secondary alcohols

Toshio Isobe, Keiko Fukuda, Yukari Araki et al. · Chemical Communications · 2001 · 152 citations

Recyclable Bases, Engineering, Biochemistry +13

Modified guanidines as chiral superbases: application to asymmetric Michael reaction of glycine imine with acrylate or its related compounds

Tsutomu Ishikawa, Yukari Araki, Takuya Kumamoto et al. · Chemical Communications · 2001 · 152 citations

Engineering, Biochemistry, Glycine Imine +12

Modified Guanidines as Potential Chiral Superbases. 1. Preparation of 1,3-Disubstituted 2-Iminoimidazolidines and the Related Guanidines through Chloroamidine Derivatives

Toshio Isobe, Keiko Fukuda, Tsutomu Ishikawa · The Journal of Organic Chemistry · 2000 · 72 citations

Enantioselective Synthesis, Potential Chiral Superbases, Engineering +9

Modified Guanidines as Potential Chiral Superbases. 2. Preparation of 1,3-Unsubstituted and 1-Substituted 2-Iminoimidazolidine Derivatives and a Related Guanidine by the 2-Chloro-1,3-dimethylimidazolinium Chloride-Induced Cyclization of Thioureas

Toshio Isobe, Keiko Fukuda, Tatsuhiro Tokunaga et al. · The Journal of Organic Chemistry · 2000 · 58 citations

Potential Chiral Superbases, Engineering, Biochemistry +10

Modified Guanidines as Potential Chiral Superbases. 3. Preparation of 1,4,6-Triazabicyclooctene Systems and 1,4-Disubstituted 2-Iminoimidazolidines by the 2-Chloro-1,3-dimethylimidazolinium Chloride-Induced Cyclization of Guanidines with a Hydroxyethyl Substituent

Toshio Isobe, Keiko Fukuda, Kentaro Yamaguchi et al. · The Journal of Organic Chemistry · 2000 · 50 citations