Osamu Tamura

Summary

Affiliation: Showa Pharmaceutical University
Country: Japan

Publications

  1. doi request reprint Stereoselective vinylogous Mannich reaction of 2-trimethylsilyloxyfuran with N-gulosyl nitrones
    Osamu Tamura
    Showa Pharmaceutical University, Machida, Tokyo 194 8543, Japan
    Org Biomol Chem 9:7411-9. 2011
  2. ncbi request reprint Redox-induced conformational alteration of n,n-diarylamides
    Iwao Okamoto
    Showa Pharmaceutical University, 3 3165 Higashi Tamagawagakuen, Machida, Tokyo 194 8543, Japan
    Org Lett 9:5545-7. 2007
  3. doi request reprint Intermolecular cycloaddition of N-boranonitrone with alkenes
    Nobuyoshi Morita
    Showa Pharmaceutical University, Higashi tamagawagakuen, Machida, Tokyo 194 8543, Japan
    J Org Chem 73:7164-74. 2008
  4. doi request reprint Synthesis of maremycins A and D1 via cycloaddition of a nitrone with (E)-3-ethylidene-1-methylindolin-2-one
    Tohru Ueda
    Showa Pharmaceutical University, 3 3165 Higashi Tamagawagakuen, Machida, Tokyo 194 8543, Japan
    Org Lett 10:2043-6. 2008
  5. ncbi request reprint Products of thymine oxygenation by a non-heme oxygenation model, Fe(II)(MeCN)6(2+)-Ac2O-H2O2, and the transition state model between oxoiron and thymine
    Shigeki Kobayashi
    Division of Analytical Chemistry of Medicines, Showa Pharmaceutical University
    Chem Pharm Bull (Tokyo) 58:775-81. 2010
  6. ncbi request reprint A novel construction of dibenzofuran-1,4-diones by oxidative cyclization of quinone-arenols
    Tetsuya Takeya
    Showa Pharmaceutical University, 3 3165 Higashi Tamagawagakuen, Machida, Tokyo 194 8543, Japan
    Org Lett 9:2807-10. 2007
  7. ncbi request reprint Acid-induced molecular folding and unfolding of N-methyl aromatic amide bearing 2,6-disubstituted pyridines
    Iwao Okamoto
    Showa Pharmaceutical University, Higashi tamagawagakuen, Machida, Tokyo 194 8543, Japan
    J Am Chem Soc 129:1892-3. 2007

Collaborators

Detail Information

Publications7

  1. doi request reprint Stereoselective vinylogous Mannich reaction of 2-trimethylsilyloxyfuran with N-gulosyl nitrones
    Osamu Tamura
    Showa Pharmaceutical University, Machida, Tokyo 194 8543, Japan
    Org Biomol Chem 9:7411-9. 2011
    ..The latter product was elaborated to afford key synthetic intermediates for polyoxin C and dysiherbaine...
  2. ncbi request reprint Redox-induced conformational alteration of n,n-diarylamides
    Iwao Okamoto
    Showa Pharmaceutical University, 3 3165 Higashi Tamagawagakuen, Machida, Tokyo 194 8543, Japan
    Org Lett 9:5545-7. 2007
    ..Such compounds would be applied as useful structural units for external stimulus-responsive control on the shape and function of large molecules or supramolecules...
  3. doi request reprint Intermolecular cycloaddition of N-boranonitrone with alkenes
    Nobuyoshi Morita
    Showa Pharmaceutical University, Higashi tamagawagakuen, Machida, Tokyo 194 8543, Japan
    J Org Chem 73:7164-74. 2008
    ..This reaction of terminal alkenes is very useful for synthesis of 1,3-anti aminoalcohol derivatives by reductive cleavage of an N-O bond...
  4. doi request reprint Synthesis of maremycins A and D1 via cycloaddition of a nitrone with (E)-3-ethylidene-1-methylindolin-2-one
    Tohru Ueda
    Showa Pharmaceutical University, 3 3165 Higashi Tamagawagakuen, Machida, Tokyo 194 8543, Japan
    Org Lett 10:2043-6. 2008
    ..This synthesis clarifies the stereochemistry of the maremycins and is suitable for large-scale synthesis for biological screening...
  5. ncbi request reprint Products of thymine oxygenation by a non-heme oxygenation model, Fe(II)(MeCN)6(2+)-Ac2O-H2O2, and the transition state model between oxoiron and thymine
    Shigeki Kobayashi
    Division of Analytical Chemistry of Medicines, Showa Pharmaceutical University
    Chem Pharm Bull (Tokyo) 58:775-81. 2010
    ..This model of oxidative thymine damage may provide new insight into the oxidative mechanism of thymine glycol production in non-aqueous reactions of thymine...
  6. ncbi request reprint A novel construction of dibenzofuran-1,4-diones by oxidative cyclization of quinone-arenols
    Tetsuya Takeya
    Showa Pharmaceutical University, 3 3165 Higashi Tamagawagakuen, Machida, Tokyo 194 8543, Japan
    Org Lett 9:2807-10. 2007
    ..A novel oxidative cyclization of quinone-arenols 5 leading to products 6 with a dibenzofuran-1,4-dione structure, which forms the core of several natural products, has been developed and applied to the synthesis of violet-quinone (4)...
  7. ncbi request reprint Acid-induced molecular folding and unfolding of N-methyl aromatic amide bearing 2,6-disubstituted pyridines
    Iwao Okamoto
    Showa Pharmaceutical University, Higashi tamagawagakuen, Machida, Tokyo 194 8543, Japan
    J Am Chem Soc 129:1892-3. 2007