Search Results - "Saikawa, Yoko"

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  1. 1

    Identification of a cyanidin-3-O-β-galactoside in gall tissue induced by midges on Japanese beech (Fagus crenata Blume) by Miyazaki, Sho, Kurisu, Hironosuke, Nakata, Masaya, Saikawa, Yoko

    “…Insect gall structures have many characteristic forms and colors, which are distinguishable from host plants. In this study, we identified an anthocyanin from…”
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  2. 2

    Identification of Cyclopropylacetyl-(R)-carnitine, a Unique Chemical Marker of the Fatally Toxic Mushroom Russula subnigricans by Matsuura, Masanori, Kato, Suguru, Saikawa, Yoko, Nakata, Masaya, Hashimoto, Kimiko

    “…A toxic mushroom, Russula subnigricans, causes fatal poisoning by mistaken ingestion. In spite of the potent bioactivity, the responsible toxin had not been…”
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  3. 3

    Smooth Isoindolinone Formation from Isopropyl Carbamates via Bischler–Napieralski-Type Cyclization by Adachi, Satoshi, Onozuka, Masao, Yoshida, Yuko, Ide, Mitsuaki, Saikawa, Yoko, Nakata, Masaya

    Published in Organic letters (17-01-2014)
    “…Isopropyl carbamates derived from benzylamines provide isoindolinones by treatment with phosphorus pentoxide at room temperature. Utility of this…”
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  4. 4

    Histological and quantitative image analyses of rice gall formed by orange leafhopper Cicadulina bipunctata (Hemiptera: Cicadellidae) by Miyazaki, Sho, Endo, Aoi, Matsui, Soh, Tokuda, Makoto, Saikawa, Yoko

    Published in Applied entomology and zoology (01-08-2021)
    “…The orange leafhopper, Cicadulina bipunctata (Melichar) (Hemiptera: Cicadellidae), is an insect pest of various Poaceae plants. Feeding by this leafhopper…”
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  5. 5

    Refined Structure of Hipposudoric and Norhipposudoric Acids, Pigments of the Red Sweat of the Hippopotamus by Matsumoto, Takatoshi, Saikawa, Yoko, Nakata, Masaya, Hashimoto, Kimiko

    Published in Chemistry letters (05-12-2015)
    “…The tautomeric structures of hipposudoric and norhipposudoric acids were investigated using a computational method. The results indicated that the most…”
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  6. 6

    Identification of the toxic trigger in mushroom poisoning by Hashimoto, Kimiko, Matsuura, Masanori, Saikawa, Yoko, Inui, Kosei, Nakae, Koichi, Igarashi, Masayuki, Nakata, Masaya

    Published in Nature chemical biology (01-07-2009)
    “…We have isolated the small, highly strained carboxylic acid cycloprop-2-ene carboxylic acid from the Asian toxic mushroom Russula subnigricans. This compound…”
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  7. 7
  8. 8

    Orange Leafhopper Cicadulina bipunctata Feeding Induces Gall Formation Nitrogen Dependently and Regulates Gibberellin Signaling by Miyazaki, Sho, Kasahara, Keita, Matsui, Soh, Tokuda, Makoto, Saikawa, Yoko

    Published in Plants (Basel) (26-09-2020)
    “…Orange leafhopper feeding induces wallaby ear symptoms, namely growth suppression and gall formation characterized by severe swelling of leaf veins, on various…”
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  9. 9

    Synthetic Studies on Polymaxenolides: Synthesis and Structure Elucidation of Nominal Epoxyafricanane and Other Africane-Type Sesquiterpenoids by Matsuda, Yutaka, Endo, Yusuke, Saikawa, Yoko, Nakata, Masaya

    Published in Journal of organic chemistry (05-08-2011)
    “…A racemic total synthesis of the sesquiterpenoid unit of the hybrid marine natural product polymaxenolide has been achieved based on a three-component assembly…”
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  10. 10

    Total synthesis of kendomycin featuring intramolecular Dötz benzannulation by Tanaka, Kyosuke, Watanabe, Masahito, Ishibashi, Kodai, Matsuyama, Hiroshi, Saikawa, Yoko, Nakata, Masaya

    Published in Organic letters (16-04-2010)
    “…One-step formation of the ansa-skeleton realized the synthesis of kendomycin, an ansa-type quinone methide. The Fischer carbene complex derived from the…”
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  11. 11

    Synthesis and Properties of Hydrazine‐Embedded Biphenothiazines and Application of Hydrazine‐Embedded Heterocyclic Compounds to Fluorescence Cell Imaging by Shindo, Yuri, Nomura, Shogo, Saikawa, Yoko, Nakata, Masaya, Tanaka, Katsunori, Hanaya, Kengo, Sugai, Takeshi, Higashibayashi, Shuhei

    Published in Asian journal of organic chemistry (01-09-2018)
    “…Hydrazine‐embedded unsubstituted butterfly‐shaped biphenothiazine and its sulfoxides were synthesized by dimerization of 1,9‐dibromophenothiazine, which was…”
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  12. 12

    Studies on the red sweat of the Hippopotamus amphibius by Hashimoto, Kimiko, Saikawa, Yoko, Nakata, Masaya

    Published in Pure and applied chemistry (01-04-2007)
    “…The secretion from the hippopotamus' skin changes its color from colorless to red, and then brown by polymerization of its pigments. The responsible pigments…”
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  13. 13

    Application of intramolecular Dötz reaction to the synthesis of ansa-compounds: concise synthesis of arnebinol by Watanabe, Masahito, Tanaka, Kyosuke, Saikawa, Yoko, Nakata, Masaya

    Published in Tetrahedron letters (01-01-2007)
    “…Fischer carbene complexes having long alkynyloxy chains regioselectively produced oxametacyclophanes via the intramolecular Dötz reaction. The utility of this…”
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  14. 14

    Toxic isolectins from the mushroom Boletus venenatus by Horibe, Masashi, Kobayashi, Yuka, Dohra, Hideo, Morita, Tatsuya, Murata, Takeomi, Usui, Taichi, Nakamura-Tsuruta, Sachiko, Kamei, Masugu, Hirabayashi, Jun, Matsuura, Masanori, Yamada, Mina, Saikawa, Yoko, Hashimoto, Kimiko, Nakata, Masaya, Kawagishi, Hirokazu

    Published in Phytochemistry (Oxford) (01-04-2010)
    “…Ingestion of the mushroom Boletus venenatus causes a gastrointestinal syndrome, such as diarrhea. A family of isolectins ( B. venenatus lectins, BVLs) was…”
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  15. 15

    Absolute configuration and tautomeric structure of xylindein, a blue–green pigment of Chlorociboria species by Saikawa, Yoko, Watanabe, Takashi, Hashimoto, Kimiko, Nakata, Masaya

    Published in Phytochemistry (Oxford) (01-10-2000)
    “…The S absolute configuration of both chiral centers of xylindein was assigned using X-ray crystallographic heavy atom analysis after its conversion to a…”
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  16. 16

    An overview of the total synthesis of africane-type sesquiterpenoids by Matsuda, Yutaka, Saikawa, Yoko, Nakata, Masaya

    Published in Tetrahedron letters (20-06-2018)
    “…[Display omitted] •Africane-type sesquiterpenoids consist of a unique bicyclo[5.3.0]decane structure.•Their unusual seven-membered ring system fascinates many…”
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  17. 17

    Biological evaluation for anti-inflammatory effect of africane-type sesquiterpenoids by Kawano, Sayaka, Matagawa, Tomoe, Matsuda, Yutaka, Koyama, Takayuki, Miura, Kazuki, Nakata, Masaya, Saikawa, Yoko, Simizu, Siro

    Published in Bioorganic & medicinal chemistry (15-08-2022)
    “…[Display omitted] •Africane-type compounds and their synthetic intermediate suppress LPS-induced Cox-2 expression.•Africane-type compounds and their synthetic…”
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  18. 18

    Small molecules assisting eggshell calcium dissolution for embryonic bone formation by Ito, Taku, Kato, Suguru, Kubo, Akiko, Suematsu, Makoto, Nakata, Masaya, Saikawa, Yoko

    Published in Tetrahedron (31-01-2020)
    “…Calcium carbonate in avian eggshell is used as a calcium source for bone formation during embryonic development. We studied ostrich eggshells as a…”
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  19. 19

    Inositol tetrakisphosphate from chicken eggshell by Ito, Taku, Itokawa, Hajime, Miyaki, Takanori, Kamimura, Miho, Hamano, Mariko, Nakata, Masaya, Saikawa, Yoko

    Published in Tetrahedron (31-01-2020)
    “…Unlike our previous study that identified D-myo-inositol 4,5-bisphosphate (Ins(4,5)P2, 1) from ostrich eggshell, the compound myo-inositol…”
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  20. 20

    Scalable Syntheses and Biological Evaluation of Africane‐Type Sesquiterpenoids by Matsuda, Yutaka, Koyama, Takayuki, Kawano, Sayaka, Miura, Kazuki, Simizu, Siro, Saikawa, Yoko, Nakata, Masaya

    Published in Chemistry & biodiversity (01-03-2022)
    “…Practical total syntheses of africane‐type sesquiterpenoids were realized by reexamination of a divergent strategy employing optimized three‐component coupling…”
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