Yutaka Kitagawa

Synthesis of Chiral Diaryliodonium Salts, 1,1‘-Binaphthyl-2-yl(phenyl)iodonium Tetrafluoroborates:  Asymmetric α-Phenylation of β-Keto Ester Enolates

Masahito Ochiai, Yutaka Kitagawa, Naoko Takayama et al. · Journal of the American Chemical Society · 1999 · 158 citations

Chiral Diaryliodonium Salts, Medicinal Chemistry, Engineering +15

New Carbazole Alkaloids from <i>Clausena anisata</i> with Antitumor Promoting Activity

Chihiro Ito, Shinya Katsuno, Masataka Itoigawa et al. · Journal of Natural Products · 1999 · 100 citations

Medicinal Chemistry, New Carbazole Alkaloids, Clausamine D +11

Inhibition of green tea catechins against the growth of cancerous human colon and hepatic epithelial cells

Shinichi Uesato, Yutaka Kitagawa, Masaaki Kamishimoto et al. · Cancer Letters · 2001 · 84 citations

Oncology, Medicine, Pathology +10

α-Vinylation of 1,3-Dicarbonyl Compounds with Alkenyl(aryl)iodonium Tetrafluoroborates:  Effects of Substituents on the Aromatic Ring and of Radical Inhibitors

Masahito Ochiai, Toshifusa Shu, Takema Nagaoka et al. · The Journal of Organic Chemistry · 1997 · 64 citations

Halogenation, Medicinal Chemistry, 1,3-Dicarbonyl Compounds +13

Generation and Reaction of Monocarbonyliodonium Ylides:  Ester Exchange of (<i>Z</i>)-(β-Acetoxyvinyl)iodonium Salts with Lithium Ethoxide and Synthesis of α,β-Epoxy Ketones

Masahito Ochiai, Yutaka Kitagawa, Shinji Yamamoto · Journal of the American Chemical Society · 1997 · 53 citations

Chemical Engineering, Novel Organocatalysts, Engineering +12