Yoshiko Itezono

Structural determination of geometrical isomers of microcystins LR and RR from cyanobacteria by two-dimensional NMR spectroscopic techniques

Kenichi Harada, Kiyoshi OGAWA, Kenji Matsuura et al. · Chemical Research in Toxicology · 1990 · 150 citations

Life Sciences, Chemistry, Toxicology +12

Isolation of two toxic heptapeptide microcystins from an axenic strain of Microcystis aeruginosa, K-139

Ken‐ichi Harada, Kiyoshi OGAWA, Kenji Matsuura et al. · Toxicon · 1991 · 104 citations

Life Sciences, Microbiology, Toxicology +9

A novel chlorinated biscembranoid from the marine soft coral Sarcophyton glaucum

Takenori Kusumi, Morihiro Igari, Midori O. Ishitsuka et al. · The Journal of Organic Chemistry · 1990 · 58 citations

Natural Sciences, Chemistry, Marine Sciences +6

Structure of a novel phospholipase C inhibitor, vinaxanthone (Ro 09-1450), produced by penicillium vinaceum

Masahiro Aoki, Yoshiko Itezono, Haruyoshi Shirai et al. · Tetrahedron Letters · 1991 · 46 citations

Pharmacy, Medicinal Chemistry, Pharmacology +8

Tetronothiodin, a novel cholecystokinin type-B receptor antagonist produced by Streptomyces sp. NR0489. II. Isolation, characterization and biological activities.

Tatsuo Ohtsuka, HIROMICHI KOTAKI, Noboru Nakayama et al. · The Journal of Antibiotics · 1993 · 38 citations · Full text

Medicine, Microbiology, Pharmacology +6