Kohichi Takee

Transannular bond formation between the amino and the sulfonio groups in 6,7-dihydro-6-methyl-5H-dibenzo[b,g][1,5]thiazocinium salts. The first example of a sulfurane with an apical alkyl group

Kin‐ya Akiba, Kohichi Takee, Yasuko. Shimizu et al. · Journal of the American Chemical Society · 1986 · 47 citations

Natural Sciences, Chemistry, Medicinal Chemistry +8

First example of an isolable .sigma.-sulfurane with an apical alkyl group effected by transannular bond formation between the amino and the sulfonio groups

Kin‐ya Akiba, Kohichi Takee, Katsuo Ohkata et al. · Journal of the American Chemical Society · 1983 · 44 citations

Natural Sciences, Chemistry, Analytical Chemistry +5

Alkylation and Oxidation of 6,7-Dihydro-6-methyl-5<i>H</i>-dibenzo[<i>b</i>,<i>g</i>][1,5]thiazocine. Selective Oxidation of the Sulfide Moiety by Transannular Participation of the Amino Group

Katsuo Ohkata, Kohichi Takee, Kin‐ya Akiba · Bulletin of the Chemical Society of Japan · 1985 · 17 citations · Full text

Natural Sciences, Chemistry, Medicinal Chemistry +9

Decelerated methyl transfer from δ-ammoniomethylsulfurane compared with the corresponding methylsulfonium salts

Katsuo Ohkata, Kohichi Takee, Kin‐ya Akiba · Tetrahedron Letters · 1983 · 13 citations

Natural Sciences, Chemistry, Catalysis +5