Yukihiro Ohsugi

The ruthenium catalyzed N-alkylation and N-heterocyclization of aniline using alcohols and aldehydes

Yoshihisa Watanabe, Y. Tsuji, Yukihiro Ohsugi, 1981 .

Ruthenium-catalyzed N-alkylation and N-benzylation of aminoarenes with alcohols

Yoshihisa Watanabe, Y. Tsuji, T. Ohta, 1984 .

Ruthenium complex catalyzed N-heterocyclization. Syntheses of N-substituted piperidines, morpholines, and piperazines from amines and 1,5-diols

Yoshihisa Watanabe, Y. Tsuji, K. Huh, 1985 .

The ruthenium complex catalyzed N-heterocyclization of aminoarenes to quinoline derivatives using allylic alcohols and aliphatic aldehydes.

Yoshihisa Watanabe, Y. Tsuji, J. Shida, 1983 .

The ruthenium catalyzed N-alkylation and N-heterocyclization of aniline using alcohols and aldehydes

Yoshihisa Watanabe, Y. Tsuji, Yukihiro Ohsugi, 1981 .