Search Results - "Saku, Osamu"

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    Synthesis of 1-Azaazulenes from Cycloheptatrienylmethyl Ketone O-Pentafluorobenzoyloximes by Palladium-Catalyzed Cyclization and Oxidation by Chiba, Shunsuke, Kitamura, Mitsuru, Saku, Osamu, Narasaka, Koichi

    “…Various 1-azaazulenes are synthesized from cycloheptatrienylmethyl ketone O-pentafluorobenzoyloximes by treatment with a catalytic amount of Pd(dba)2–t-Bu3P…”
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  3. 3

    Palladium-Catalyzed Synthesis of 1-Azaazulenes from Cycloheptatrienylmethyl Ketone O-Pentafluorobenzoyl Oximes by Kitamura, Mitsuru, Chiba, Shunsuke, Saku, Osamu, Narasaka, Koichi

    Published in Chemistry letters (01-06-2002)
    “…Substituted 1-azaazulenes are synthesized from cycloheptatrienylmethyl ketone O-pentafluorobenzoyloximes by the intramolecular Heck-type amination catalyzed by…”
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  4. 4

    Synthetic studies on selective adenosine A2A receptor antagonists: Synthesis and structure-activity relationships of novel benzofuran derivatives by SAKU, Osamu, SAKI, Mayumi, KUROKAWA, Masako, IKEDA, Ken, TAKIZAWA, Takuya, UESAKA, Noriaki

    Published in Bioorganic & medicinal chemistry letters (01-02-2010)
    “…A series of benzofuran derivatives were prepared to study their antagonistic activities to the A(2A) receptor. Replacement of the ester group of the lead…”
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  5. 5

    Discovery of Novel 5,5-Diarylpentadienamides as Orally Available Transient Receptor Potential Vanilloid 1 (TRPV1) Antagonists by Saku, Osamu, Ishida, Hiroshi, Atsumi, Eri, Sugimoto, Yoshiyuki, Kodaira, Hiroshi, Kato, Yoshimitsu, Shirakura, Shiro, Nakasato, Yoshisuke

    Published in Journal of medicinal chemistry (12-04-2012)
    “…We have developed a novel and potent chemical series of 5,5-diphenylpentadienamides for targeting TRPV1 in vitro and in vivo. In this investigation, we…”
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  6. 6

    Synthetic studies on selective adenosine A2A receptor antagonists. Part II: Synthesis and structure–activity relationships of novel benzofuran derivatives by Saku, Osamu, Saki, Mayumi, Kurokawa, Masako, Ikeda, Ken, Uchida, Shin-ichi, Takizawa, Takuya, Uesaka, Noriaki

    Published in Bioorganic & medicinal chemistry letters (15-06-2010)
    “…The discovery of a novel series of A2A antagonists is described. A selected compound was shown to be able to induce anti-parkinsonian effects in MPTP-treated…”
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  7. 7

    Synthetic study of VLA-4/VCAM-1 inhibitors: Synthesis and structure–activity relationship of piperazinylphenylalanine derivatives by Saku, Osamu, Ohta, Kiminori, Arai, Eri, Nomoto, Yuji, Miura, Hiroko, Nakamura, Hiroaki, Fuse, Eiichi, Nakasato, Yoshisuke

    Published in Bioorganic & medicinal chemistry (01-02-2008)
    “…To improve poor pharmacokinetic characters of the preceding VLA-4 inhibitors, novel piperazinylphenylalanine derivatives were designed and optimized for oral…”
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  8. 8

    Synthetic studies on selective adenosine A sub(2A) receptor antagonists: Synthesis and structure-activity relationships of novel benzofuran derivatives by Saku, Osamu, Saki, Mayumi, Kurokawa, Masako, Ikeda, Ken, Takizawa, Takuya, Uesaka, Noriaki

    Published in Bioorganic & medicinal chemistry letters (01-02-2010)
    “…A series of benzofuran derivatives were prepared to study their antagonistic activities to the A sub(2A) receptor. Replacement of the ester group of the lead…”
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    Journal Article
  9. 9

    Synthetic studies on selective adenosine A 2A receptor antagonists: Synthesis and structure–activity relationships of novel benzofuran derivatives by Saku, Osamu, Saki, Mayumi, Kurokawa, Masako, Ikeda, Ken, Takizawa, Takuya, Uesaka, Noriaki

    “…Novel benzofuran derivatives as potent and selective adenosine A 2A inhibitors were synthesized and evaluated. A series of benzofuran derivatives were prepared…”
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    Journal Article
  10. 10

    Synthesis of indole and indolenine derivatives starting from indoline-2-thiones by Nishio, Takehiko, Saku, Osamu, Yamamoto, Hiroshi

    Published in Journal of heterocyclic chemistry (01-01-2001)
    “…Indoline‐2‐thiones 1a‐b,d,f,h, which have at least one hydrogen at the 3‐position reacted with α‐halo ester 2a‐d, α‐halo ketones 2e‐f, and a‐bromoacetonitrile…”
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