Search Results - "MIURA, Tsuyoshi"

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  1. 1

    Effect of 1,4-Dioxane Solvent on β-Glucuronidation Using Methyl 1,2,3,4-Tetra-O-acetyl-β-D-glucuronate as the Glycosyl Donor by Kajimoto, Tetsuya, Du, Tianqi, Kaneko, Kimiyoshi, Matsushima, Yasuyuki, Miura, Tsuyoshi

    “…A facile and selective β-D-glucuronidation of alcohols, such as (−)-menthol, cholestanol, (+)- and (−)-borneols, and 2-adamantanol, using commercially…”
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  2. 2

    Metal-Free Direct CH Perfluoroalkylation of Arenes and Heteroarenes Using a Photoredox Organocatalyst by Cui, Lei, Matusaki, Yoko, Tada, Norihiro, Miura, Tsuyoshi, Uno, Bunji, Itoh, Akichika

    Published in Advanced synthesis & catalysis (12-08-2013)
    “…We report the visible‐light‐induced trifluoromethylation of arenes and heteroarenes using sodium trifluoromethanesulfinate catalyzed by…”
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  3. 3

    Asymmetric Conjugate Addition of Phosphonates to Enones Using Cinchona–Diaminomethylenemalononitrile Organocatalysts by Arai, Ryoga, Hirashima, Shin-ichi, Nakano, Tatsuki, Kawada, Masahiro, Akutsu, Hiroshi, Nakashima, Kosuke, Miura, Tsuyoshi

    Published in Journal of organic chemistry (06-03-2020)
    “…Asymmetric conjugate additions of phosphonates to trans-crotonophenone and chalcone derivatives using a diaminomethylenemalononitrile organocatalyst resulted…”
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  4. 4

    Organocatalytic one-pot asymmetric synthesis of 6-trifluoromethyl-substituted 7,8-dihydrochromen-6-ol by Nakashima, Kosuke, Minai, Asako, Okuaki, Yuichi, Matsushima, Yasuyuki, Hirashima, Shin-ichi, Miura, Tsuyoshi

    Published in Tetrahedron letters (13-04-2022)
    “…[Display omitted] •A squaramide is a good catalyst for the asymmetric Friedel–Crafts alkylation of α,β-unsaturated trifluoromethyl ketones with aromatic…”
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  5. 5

    Synthesis of 2-Substituted Indoles via Migration Reaction of 3-Substituted Indoles with Triflic Acid by Nakashima, Kosuke, Kudo, Yuka, Matsushima, Yasuyuki, Hirashima, Shin-ichi, Miura, Tsuyoshi

    “…This study showcases the 1,2-migration reactions of alkyl and aryl groups on the indole molecule. Trifluoromethanesulfonic acid effectively facilitates the…”
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  6. 6

    Facile Preparation of L-Iduronic Acid and α-L-Iduronidation Using Methyl 1,2,3,4-Tetra-O-acetyl-α-L-iduronate as Glycosyl Donor by Kajimoto, Tetsuya, Du, Tianqi, Yoshitake, Tenchi, Kaneko, Kimiyoshi, Kobayashi, Hiroya, Matsushima, Yasuyuki, Miura, Tsuyoshi

    Published in Chemical & pharmaceutical bulletin (01-09-2023)
    “…Methyl 1,2,3,4-tetra-O-acetyl-α-L-iduronate was prepared from methyl 1,2,3,4-tetra-O-β-D-glucuronate in two steps: Ferrier’s photobromination and subsequent…”
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  7. 7

    Acylhydrazone Subunits as a Proton Cargo Delivery System in 7‐Hydroxyquinoline by Nakashima, Kosuke, Petek, Anton, Hori, Yutaro, Georgiev, Anton, Hirashima, Shin‐ichi, Matsushima, Yasuyuki, Yordanov, Dancho, Miura, Tsuyoshi, Antonov, Liudmil

    Published in Chemistry : a European journal (11-08-2021)
    “…The reimagined concept of long‐range tautomeric proton transfer using crane subunits is shown by designing and synthesising two new acylhydrazones containing a…”
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  8. 8

    A Facile α-Glucuronidation Using Methyl 1,2,3,4-Tetra-O-acetyl-D-glucuronate as Glycosyl Donor by Du, Tianqi, Kaneko, Kimiyoshi, Sakai, Yuki, Tsunoi, Masato, Yoshitake, Tenchi, Kotera, Aki, Matsushima, Yasuyuki, Miura, Tsuyoshi, Kajimoto, Tetsuya

    Published in Chemical & pharmaceutical bulletin (01-08-2022)
    “…Some terpenyl 2,3,4-tri-O-acetyl-α-D-glucuronide methyl esters were facilely synthesized from commercially available methyl…”
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  9. 9

    An effective and catalytic oxidation using recyclable fluorous IBX by Miura, Tsuyoshi, Nakashima, Kosuke, Tada, Norihiro, Itoh, Akichika

    “…Oxidation of alcohols in the presence of a catalytic amount of fluorous IBX and Oxone as a co-oxidant resulted in the corresponding carbonyl compounds in good…”
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  10. 10

    Asymmetric Hydrophosphonylation of Aldehydes using a Cinchona-Diaminomethylenemalononitrile Organocatalyst by Hirashima, Shin-ichi, Arai, Ryoga, Nakashima, Kosuke, Kawai, Nobuaki, Kondo, Junko, Koseki, Yuji, Miura, Tsuyoshi

    Published in Advanced synthesis & catalysis (14-12-2015)
    “…For the asymmetric hydrophosphonylation of aldehydes, an efficient organocatalytic approach with a diaminomethylenemalononitrile‐based hydrogen‐bonding donor…”
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  11. 11

    Asymmetric conjugate addition of 5-benzylfurfurals to nitroalkenes using a diaminomethylenemalononitrile organocatalyst by Akutsu, Hiroshi, Nakashima, Kosuke, Hirashima, Shin-ichi, Kitahara, Moeko, Koseki, Yuji, Miura, Tsuyoshi

    Published in Tetrahedron letters (20-12-2017)
    “…[Display omitted] •Second example for asymmetric direct bisvinylogous conjugate addition with furfural.•All enantioselectivities were higher values in…”
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  12. 12

    Organocatalytic asymmetric conjugate addition of substituted 5-benzylfurfurals to nitroalkenes based on stereocontrol of trienamine by Akutsu, Hiroshi, Ito, Mifuyu, Kawada, Masahiro, Nakashima, Kosuke, Hirashima, Shin-ichi, Miura, Tsuyoshi

    Published in Tetrahedron letters (06-02-2020)
    “…[Display omitted] •Diaminomethylenemalononitrile is good catalyst for asymmetric ε-alkylation reactions.•High stereoselectivity by a methyl group at γ-position…”
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  13. 13

    2-Chloroanthraquinone-catalyzed aerobic photo-oxidative synthesis of diacylamines from benzylamides by Itoh, Izuho, Matsusaki, Yoko, Fujiya, Akitoshi, Tada, Norihiro, Miura, Tsuyoshi, Itoh, Akichika

    Published in Tetrahedron letters (14-05-2014)
    “…[Display omitted] In this Letter, we report the aerobic photo-oxidative synthesis of diacylamines from benzylamides in the presence of molecular oxygen and…”
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  14. 14

    Aerobic photooxidative synthesis of benzimidazoles from aromatic aldehydes and diamines using catalytic amounts of magnesium iodide by Nagasawa, Yoshitomo, Matsusaki, Yoko, Hotta, Toshiyuki, Nobuta, Tomoya, Tada, Norihiro, Miura, Tsuyoshi, Itoh, Akichika

    Published in Tetrahedron letters (26-11-2014)
    “…[Display omitted] This Letter proposes a safe, mild, and environmentally benign method for the synthesis of benzimidazoles from aromatic aldehydes and diamines…”
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  15. 15

    Highly efficient asymmetric conjugate addition of 5-benzylfurfurals to nitroalkenes using a thiourea organocatalyst by Akutsu, Hiroshi, Nakashima, Kosuke, Hirashima, Shin-ichi, Matsumoto, Hikari, Koseki, Yuji, Miura, Tsuyoshi

    Published in Tetrahedron (19-04-2019)
    “…The asymmetric direct bisvinylogous conjugate addition of 5-benzylfurfural derivatives to nitroalkenes using a thiourea organocatalyst resulted in a…”
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  16. 16

    Asymmetric Conjugate Addition of Nitroalkanes to Enones Using a Sulfonamide–Thiourea Organocatalyst by Kawada, Masahiro, Nakashima, Kosuke, Hirashima, Shin-ichi, Yoshida, Akihiro, Koseki, Yuji, Miura, Tsuyoshi

    Published in Journal of organic chemistry (07-07-2017)
    “…The asymmetric conjugate addition of nitroalkanes to α,β-unsaturated ketones in the presence of a catalytic amount of a novel sulfonamide–thiourea…”
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  17. 17

    Asymmetric Direct Vinylogous Conjugate Addition of Substituted Furanone Derivatives to (E)‐ and (Z)‐Benzoyl Acrylonitriles Using Organocatalysts by Ishii, Daiki, Hirashima, Shin‐ichi, Akutsu, Hiroshi, Nakashima, Kosuke, Matsushima, Yasuyuki, Sakai, Takaaki, Miura, Tsuyoshi

    Published in Asian journal of organic chemistry (01-05-2022)
    “…Diaminomethylenemalononitrile organocatalysts efficiently promoted the asymmetric direct vinylogous conjugate addition of α‐angelica lactone to (E)‐ and…”
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  18. 18

    Aerobic photooxidative cleavage of 1,3-diketones to carboxylic acids using 2-chloroanthraquinone by Tachikawa, Yuma, Cui, Lei, Matsusaki, Yoko, Tada, Norihiro, Miura, Tsuyoshi, Itoh, Akichika

    Published in Tetrahedron letters (13-11-2013)
    “…We developed direct aerobic photooxidation of 1,3-diketones to corresponding carboxylic acids in the presence of a catalytic amount of 2-chloroanthraquinone…”
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  19. 19

    Stereoselective conjugate addition of carbonyl compounds to maleimides using a diaminomethyleneindenedione organocatalyst by Nakashima, Kosuke, Kawada, Masahiro, Hirashima, Shin-ichi, Kosugi, Ayako, Kato, Mana, Yoshida, Akihiro, Koseki, Yuji, Miura, Tsuyoshi

    Published in Tetrahedron: asymmetry (01-10-2016)
    “…[Display omitted] A diaminomethyleneindenedione motif can serve as an excellent double hydrogen bonding donor. Bifunctional chiral primary amine 3 bearing a…”
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  20. 20

    Multiple cavitary lung lesions from colorectal cancer responding to chemotherapy by Saito, Takuya, Kobayashi, Seiichi, Okutomo, Koji, Miura, Tsuyoshi, Ohori, Hisatsugu, Yanai, Masaru

    Published in Respiratory medicine case reports (01-01-2023)
    “…Lung metastasis is an uncommon cause of multiple cavitary lung lesions. Herein, we report a case of multiple cavitary lung lesions of colorectal cancer that…”
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