Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Toshihide Yukawa"'
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Synthesis of 2′,3′-Dideoxypurinenucleosides via the Palladium Catalyzed Reduction of 9-(2,5-Di-O-acetyl-3-bromo-3-deoxy-β-d-xylofuranosyl)purine Derivatives
Autor: Hiroshi Shiragami, Masayuki Arai, Toshihide Yukawa, Y. Amino, Kunisuke Izawa, Yutaka Honda, Yasuhiro Tanaka, Hisao Iwagami
Publikováno v: Nucleosides and Nucleotides. 15:31-45
Practical method to produce 2′,3′-dideoxypurinenucleosides from 9-(2,5-di-O-acetyl-3-bromo-3-deoxy-β-D-xylofuranosyl)purines (1) was developed. High ratio of 2′,3′-dideoxynucleoside to 3′-deoxyribonucleoside was obtained by selecting the r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3907895b99a020dc2f217877e6d47830
https://doi.org/10.1080/07328319608002368
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4
ChemInform Abstract: Synthesis of 2′,3′-Dideoxypurinenucleosides via the Palladium Catalyzed Reduction of 9-(2,5-Di-O-acetyl-3-bromo-3-deoxy-β-D- xylofuranosyl)purine Derivatives
Autor: Yutaka Honda, Hiroshi Shiragami, Y. Amino, Toshihide Yukawa, Kunisuke Izawa, Masayuki Arai, Yasuhiro Tanaka, Hisao Iwagami
Publikováno v: ChemInform. 27
Practical method to produce 2′,3′-dideoxypurinenucleosides from 9-(2,5-di-O-acetyl-3-bromo-3-deoxy-β-D-xylofuranosyl)purines (1) was developed. High ratio of 2′,3′-dideoxynucleoside to 3′-deoxyribonucleoside was obtained by selecting the r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::52393e9018561eb7adc1dd867ec18888
https://doi.org/10.1002/chin.199627242
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5
A Novel Method for the Synthesis of ddA and F-ddA Via Regioselective 2′-O-Deacetylation of 9-(2,5-DI-O-Acetyl-3-bromo-3-deoxy-β-D-xylofuranosyl)adenine
Autor: Toshihide Yukawa, Kunisuke Izawa, Yasuhiro Tanaka, Hiroshi Shiragami, Yumiko Uchida, Hisao Iwagami
Publikováno v: Nucleosides and Nucleotides. 11:391-400
Regioselective 2′-O-deacetylation of 9-(2,5-di-O-acetyl-3-bromo-3-deoxy-β-D-xylofuranosyl)adenine (1) is achieved by treatment of 1 with β-cyclodextrin (β-CyD) / aq. NaHCO3 or N2H4·H2O / EtOH. The 9-(5-O-Acetyl-3-bromo-3-deoxy-β-D-xylo-furanos
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71cba4f4be553f9f93b8981cb4e21c78
https://doi.org/10.1080/07328319208021713
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6
Synthesis of a Chiral α-(Aminooxy)arylacetic Ester. II. A Route through a Chiral 2-Hydroxy-2-phenylacetic Acid Derivative
Autor: Masakazu Nakazawa, Masanobu Yatagai, Haruo Orita, Yutaka Honda, Toshihide Yukawa, Takashi Ohnuki, Hisao Iwagami
Publikováno v: Bulletin of the Chemical Society of Japan. 64:175-182
A simple and practical synthetic route has been developed for the synthesis of a chiral α-(aminooxy) ester (S)-16, which is a synthetic intermediate for a potent antipseudomonal cephalosporin antibiotic M-14659. In this synthetic route, the key inte
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0d042c6af0c17ea2f989bf67c287413
https://doi.org/10.1246/bcsj.64.175
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7
Synthesis of a Chiral α-(Aminooxy)arylacetic Ester. I. A Route through Optical Resolution of a Racemic α-(Phthalimidooxy)arylacetic Acid
Autor: Yutaka Honda, Hirokazu Naora, Masakazu Nakazawa, Hisao Iwagami, Toyoto Hijiya, Takashi Ohnuki, Toshihide Yukawa, Masanobu Yatagai
Publikováno v: Bulletin of the Chemical Society of Japan. 63:3073-3081
A synthetic route has been developed to the synthesis of a chiral O-alkyloxime (S)-16, which can be a synthetic intermediate for a potent antipsedomonal cephalosporin antibiotic M-14659 (1). The oxime moiety in (S)-16 has a chiral center at the carbo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aee6541f0ca2c2d148e919f71cb759cf
https://doi.org/10.1246/bcsj.63.3073
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