Keiichirou Yamamoto

Reactions of Diphenyl(phenylethynyl)selenonium Salts with Active Methylene Compounds and Amides:  First Isolation of Oxyselenuranes [10-Se-4(C3O)] as a Reaction Intermediate

Tadashi Kataoka, Shinichi Watanabe, Keiichirou Yamamoto et al. · The Journal of Organic Chemistry · 1998 · 35 citations

Engineering, Heterocyclic, Biochemistry +13

Synthesis and reactivity of β-sulfonylvinylselenonium salts: a simple stereoselective synthesis of β-functionalized (Z )-vinyl sulfones

Shinichi Watanabe, Keiichirou Yamamoto, Yukiko Itagaki et al. · Journal of the Chemical Society Perkin Transactions 1 · 2001 · 23 citations

Chemical Engineering, Engineering, β-Sulfonylvinylselenonium Salts +14

Reactions of alkynylselenonium salts with tetrabutylammonium halides: Apparent umpolung of alkynyl moiety

Tadashi Kataoka, Shinichi Watanabe, Keiichirou Yamamoto · Tetrahedron Letters · 1999 · 17 citations

Alkynylselenonium Salts, Chemical Engineering, Engineering +7

A novel preparation of chiral (Z )-O-alkyl enol ethers from alkenylselenonium salts

Shinichi Watanabe, Keiichirou Yamamoto, Yukiko Itagaki et al. · Journal of the Chemical Society Perkin Transactions 1 · 1999 · 15 citations

Chemical Engineering, Alkenylselenonium Salts, Corresponding Alcohols +11

The First Aryne Evolution from the Reactions of Selenonium Salts with Aryllithiums

Shinichi Watanabe, Keiichirou Yamamoto, Yukiko Itagaki et al. · Tetrahedron · 2000 · 15 citations

Biochemistry, Natural Sciences, Organic Chemistry +3