Výsledky vyhledávání - "Yukiyasu Ito"

Syntheses and biological properties of novel aza-podophyllotoxin analogs prossessing pronounced antitumor activity

Autor: Akihiro Fujii, Yukio Hitotsuyanagi, Keiji Yamagami, Tetsuya Tahara, Yukiyasu Ito, Yoichi Naka

Publikováno v: Bioorganic & Medicinal Chemistry Letters. 5:1039-1042

2,4-Diaza-4-desoxypodophyllotoxin analogs have been synthesized from substituted anilines. Some of them showed promising antitumor activities against vincristine-resistant P388 murine leukemia and B16 melanoma in vivo.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0dde08cbcb13aded67458aa23a4c4e22
https://doi.org/10.1016/0960-894x(95)00172-p

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Studies on the Thioglycosides of N-Acetylneuraminic Acid 7: Synthesis of S-(α-Sialyl)-(2↠6)-β-D-Hexopyranosyl and -(2↠6)-β-D-Lactosyl Ceramides and their Biological Activity

Autor: Minoru Morita, Makoto Kiso, Hideharu Ishida, Yukiyasu Ito, Akira Hasegawa

Publikováno v: Journal of Carbohydrate Chemistry. 9:369-392

The coupling of the sodium salt of methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3, 5-dideoxy-2-thio-D-glycero-α-D-galacto-2-nonulopyranosonate (17) with 2-(trimethylsilyl)ethyl 2,3,4-tri-O-acetyl-6-bromo-6-deoxy-β-D-galactopyranoside (5), glucopyranos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::217b3277914061132f8a5763a1916f03
https://doi.org/10.1080/07328309008543840

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Synthetic Studies on Sialoglycoconjugates. 4: Synthesis of 5-Acetamido-3,5-Dideoxy-d-Galacto-2-Octulosonic Acid Derivatives and Analogs

Autor: Akira Hasegawa, Yukiyasu Ito, Minoru Morita, Hideharu Ishida, Makoto Kiso

Publikováno v: Journal of Carbohydrate Chemistry. 8:135-144

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e06b43752c2dcc4b636970609ca2118
https://doi.org/10.1080/07328308908047998

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Synthetic Studies on Sialoglycoconjugates. 3: Synthesis of 5-Acetamido-3,5-Dideoxy-l-Arabino-2-Heptulosonic Acid Derivatives and Analogs

Autor: Yukiyasu Ito, Hideharu Ishida, Makoto Kiso, Akira Hasegawa

Publikováno v: Journal of Carbohydrate Chemistry. 8:125-133

5-Acetamido-3,5-dideoxy-L-arabino-2-heptulosonic acid derivatives and analogs (shorter carbon-chain analogs of N-acetylneuraminic acid) were synthesized. Periodate oxidation followed by sodium borohydride reduction and O-acetylation of methyl [2-(tri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59bc56bb6d5ae1974407aa7fa95f55a7
https://doi.org/10.1080/07328308908047997

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Studies on the Thioglycosides ofN-Acetylneuraminic Acid. 6: Synthesis of Ganglioside GM4Analogs1

Autor: Makoto Kiso, Yukiyasu Ito, Akira Hasegawa

Publikováno v: Journal of Carbohydrate Chemistry. 8:285-294

Two kinds of ganglioside GM4 thioanalogs having different fatty acyl groups at the ceramide moiety, (2S, 3R, 4E)-1-O-[3-S-(5-acetamido-3,5-di-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonic acid)-3-thio-β-D-galacto-pyranosyl]-2-octadecanamido (or

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3cbb33c0cfbc7bc6a0ee67feabe0106f
https://doi.org/10.1080/07328308908048010

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