Takehiro Ogasa

Synthesis and biological evaluation of optically active 3-H-1-carbacephem compounds.

Takehiro Ogasa, Hiromitsu Saito, Yukio Hashimoto et al. · Chemical and Pharmaceutical Bulletin · 1989 · 33 citations · Full text

Natural Sciences, Chemistry, Medicinal Chemistry +9

Facile synthesis of the key intermediate of EO 9 via the formation of the indole skeleton using the Nenitzescu reaction

Masahiko Kinugawa, Hitoshi Arai, Hiroshi Nishikawa et al. · Journal of the Chemical Society Perkin Transactions 1 · 1995 · 23 citations

Natural Sciences, Chemistry, Synthetic Medicinal Chemistry +5

Large Scale Synthesis of the High Quality Indoloquinone Antitumor Agent EO 9 via [Bis(trifluoroacetoxy)iodo]benzene Oxidation of 4-Aminoindole

Masahiko Kinugawa, Yoshiaki Masuda, Hitoshi Arai et al. · Synthesis · 1996 · 20 citations

Natural Sciences, Chemistry, Medicinal Chemistry +10

Development of a Practical Synthetic Route of a PDE V Inhibitor KF31327

Kenji Fujino, Hitoshi Takami, Toshiyuki Atsumi et al. · Organic Process Research & Development · 2001 · 19 citations

Pharmacy, Chemistry, Medicinal Chemistry +14

Practical Synthesis of the High-Quality Antitumor Agent KW-2189 from Duocarmycin B2 Using a Facile One-Pot Synthesis of an Intermediate

Masahiko Kinugawa, Satoru Nagamura, Akihiko Sakaguchi et al. · Organic Process Research & Development · 1998 · 14 citations

Pharmacy, Medicinal Chemistry, Cancer Pharmacology +9