Takao Izawa

Total syntheses of makaluvamines A, B, C, D and E, cytotoxic pyrroloiminoquinone alkaloids isolated from marine sponge bearing inhibitory activities against topoisomerase II

Takao Izawa, Shigeru Nishiyama, Shosuke Yamamura · Tetrahedron · 1994 · 48 citations

Biochemistry, Medicine, Synthetic Chemistry +6

α,β-Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. I. A Novel Synthesis of Dialkyl Ketones and a Synthesis of Aldehydes from Ketones by One Carbon Elongation

Tsuyoshi Satoh, Youhei Kaneko, Takao Izawa et al. · Bulletin of the Chemical Society of Japan · 1985 · 36 citations

β-Epoxy Sulfoxides, Chemical Engineering, Engineering +10

Total syntheses of makaluvamines A, B, C and D, metabolites of the fijian sponge Zyzza cf. marsailis exhibiting inhibitory activities against topoisomerase II

Takao Izawa, Shigeru Nishiyama, Shosuke Yamamura · Tetrahedron Letters · 1994 · 23 citations

Biosynthesis, Topoisomerase Ii, Medicine +7

Enantiospecific synthesis of [(2′S, 3′S)-bis(hydroxymethyl)azetidin-1-yl] pyrimidine nucleosides as potential antiviral agents

Fumio Hosono, Shigeru Nishiyama, Shosuke Yamamura et al. · Tetrahedron · 1994 · 18 citations

Medicinal Chemistry, Biochemistry, Natural Sciences +11

Synthesis of carbocyclic nucleosides: synthesis of (±)-2,2-bis(hydroxymethyl)cyclopropyl nucleosides

Takao Izawa, Shigeru Nishiyama, Shosuke Yamamura et al. · Journal of the Chemical Society Perkin Transactions 1 · 1992 · 16 citations

Medicinal Chemistry, Bioorganic Chemistry, Heterocyclic +15