Yoshiro Hirai

A Mild and Environmentally Benign Oxidation of Thiols to Disulfides

Masayuki Kirihara, Yasutaka Asai, Shiho Ogawa et al. · Synthesis · 2007 · 196 citations

Catalytic Amount, Biochemistry, Medicine +12

Selective synthesis of sulfoxides and sulfones by tantalum(V) catalyzed oxidation of sulfides with 30% hydrogen peroxide

Masayuki Kirihara, Junya Yamamoto, Takuya Noguchi et al. · Tetrahedron Letters · 2008 · 104 citations

Chemical Engineering, Engineering, Catalysis +5

Transition Metal-Mediated Stereocontrolled Cyclization of Urethanes Leading to Versatile Fused Piperidines and Its Application to the Synthesis of (+)-Prosopinine and (+)-Palustrine

Yoshiro Hirai, J. Watanabe, Tetsuya Nozaki et al. · The Journal of Organic Chemistry · 1997 · 87 citations

Chemical Engineering, Engineering, Heterocyclic +10

Palladium(II)-Catalyzed Cyclization of Urethanes and Total Synthesis of 1-Deoxymannojirimycin

Hajime Yokoyama, Kumiko Otaya, Hisatake Kobayashi et al. · Organic Letters · 2000 · 79 citations

Cross-coupling Reaction, Engineering, Heterocyclic +11

Tantalum(V) or niobium(V) catalyzed oxidation of sulfides with 30% hydrogen peroxide

Masayuki Kirihara, Junya Yamamoto, Takuya Noguchi et al. · Tetrahedron · 2009 · 62 citations

Materials Science, Inorganic Chemistry, Oxygen Reduction Reaction +6