Studies on the Blue Pigments Produced from Genipin and Methylamine. I. Structures of the Brownish-Red Pigments, Intermediates Leading to the Blue Pigments.

Ryousuke TOUYAMA, Yoshio Takeda, Kenichi Inoue, +6

Chemical and Pharmaceutical Bulletin

Bioorganic ChemistryEngineeringOrganic ChemistryChemistryChemical Biology +15

Fumiquinazolines A–G, novel metabolites of a fungus separated from a Pseudolabrus marine fish

Chika Takahashi, Tomochika Matsushita, Mitsunobu Doi, +4

Journal of the Chemical Society Perkin Transactions 1

New FumiquinazolinesIndustrial MycologyMarine BiotechnologyAntifungal AgentBiochemistry +12

Studies on the Blue Pigments Produced from Genipin and Methylamine. II. On the Formation Mechanisms of Brownish-Red Intermediates Leading to the Blue Pigment Formation.

Ryousuke TOUYAMA, Kenichi Inoue, Yoshio Takeda, +6

Chemical and Pharmaceutical Bulletin

Molecular BiologyOrganic ChemistryChemical BiologyRedox BiologyPhototropin +16

Fumiquinazolines, novel metabolites of a fungus isolated from a saltfish

Atsushi Numata, Chika Takahashi, Tomochika Matsushita, +7

Tetrahedron Letters

Antifungal AgentBiochemistryNovel MetabolitesMedicineSecondary Metabolite +3

Antitumor Agents, 119. Kansuiphorins A and B, Two Novel Antileukemic Diterpene Esters from Euphorbia kansui

Tian-Shung Wu, Yuh-Meei Lin, Mitsumasa Haruna, +6

Journal of Natural Products

Medicinal ChemistryBiochemistryBioassay-guided IsolationAntitumor AgentsNatural Sciences +8

Potent cytotoxic metabolites from a Leptosphaeria species. Structure determination and conformational analysis

Chika Takahashi, Katsuhiko Minoura, Takeshi Yamada, +7

Tetrahedron

BiochemistryPotent Cytotoxic MetabolitesMedicineSecondary MetaboliteSelective Toxicity +6

Leptosins I and J, cytotoxic substances produced by a Leptosphaeria sp. Physico-chemical properties and structures.

Chika Takahashi, Atsushi Numata, Eiko Matsumura, +5

The Journal of Antibiotics

Tannins of rosaceous medicinal plants. I. Structures of potentillin, agrimonic acids A and B, and agrimoniin, a dimeric ellagitannin.

Takuo Okuda, Takashi Yoshida, Masaaki Kuwahara, +2

Chemical and Pharmaceutical Bulletin

Medicinal ChemistryBioorganic ChemistryBiochemistryTanninNatural Sciences +12

Tannins and Related Polyphenols of Melastomataceous Plants. I. Hydrolyzable Tannins from Tibouchina semidecandra COGN.

Takashi Yoshida, Hideyuki Ohbayashi, Kohkichi ISHIHARA, +5

Chemical and Pharmaceutical Bulletin

New Hydrolyzable TanninsBioorganic ChemistryDerivativesBiochemistryBotany +12

Alkaloidal constituents of Crinum latifolium and Crinum bulbispermum (amaryllidaceae).

Shigeru Kobayashi, TOSHIHIRO TOKUMOTO, Masaru Kihara, +3

Chemical and Pharmaceutical Bulletin

BiologyBiosynthesisBotanyBiochemical TaxonomyNatural Sciences +8