Junko Umezawa

Stereocontrol of a tertiary hydroxyl group via microbial epoxidation

Osamu Takahashi, Junko Umezawa, Keizo Furuhashi et al. · Tetrahedron Letters · 1989 · 48 citations

Bioorganic Chemistry, Biotransformation, Tertiary Hydroxyl Group +2

An Unusual Endothermic Transition to an Optically Isotropic Phase Organized by Chiral Molecular Recognition

Atsushi Yoshizawa, Junko Umezawa, Noriko Ise et al. · Japanese Journal of Applied Physics · 1998 · 32 citations

Crystal Structure, Engineering, Liquid Crystalline Elastomer +17

Structures in optically isotropic and bluish colored cubic phases formed by enantiomeric association in an (R,S) dichiral compound and a stereoisomeric (R,R) and (S,S) mixture

Yoichi Takanishi, Toyokazu Ogasawara, Atsushi Yoshizawa et al. · Journal of Materials Chemistry · 2002 · 32 citations

X-ray Crystallography, Crystal Structure, Engineering +16

Stereo- and regiocontrolled synthesis of fluorohydrins from optically active epoxides

Junko Umezawa, Osamu Takahashi, Keizo Furuhashi et al. · Tetrahedron Asymmetry · 1993 · 31 citations

Bioorganic Chemistry, Engineering, Biochemistry +8

Asymmetric synthesis of α-methyl carboxylic acid derivatives. Stereochemistry in acidic ring opening of epoxides

Mitsuo Fukumasa, Keizo Furuhashi, Junko Umezawa et al. · Tetrahedron Letters · 1991 · 30 citations

Engineering, Biochemistry, Natural Sciences +8