Takehiko Tozyo

Isolation, Characterization, and Nuclear Magnetic Resonance Spectra of New Saponins from the Roots of Bupleurum falcatum L.

Hiroshi Ishii, Miharu Nakamura, Shujiro Seo et al. · Chemical and Pharmaceutical Bulletin · 1980 · 86 citations · Full text

Biology, Botany, Biochemistry +14

Novel Antitumor Sesquiterpenoids in Achillea millefolium.

Takehiko Tozyo, Yohko Yoshimura, Kensuke Sakurai et al. · Chemical and Pharmaceutical Bulletin · 1994 · 78 citations · Full text

Medicinal Chemistry, Biochemistry, Natural Sciences +9

Saponins from roots of Platycodon grandiflorum. Part 2. Isolation and structure of new triterpene glycosides

Hiroshi Ishii, Kazuo Tori, Takehiko Tozyo et al. · Journal of the Chemical Society Perkin Transactions 1 · 1984 · 75 citations

Bioorganic Chemistry, Biochemistry, Biochemical Taxonomy +12

Studies on sesquiterpenoids—IX

Hiroshi Ishii, Takehiko Tozyo, Hideo Minato · Tetrahedron · 1965 · 68 citations

Bioorganic Chemistry, Biochemistry, Natural Sciences +3

The configuration and conformation of the arabinose moiety in platycodins, saponins isolated from , and mi-saponins from based on carbon-13 and hydrogen-1 nmr spectroscopic evidence: The total structures of the saponins

Hiroshi Ishii, Isao Kitagawa, Kazuhiro Matsushita et al. · Tetrahedron Letters · 1981 · 56 citations

Total Structures, Arabinose Moiety, Biochemistry +2