Search Results - "Kodama, Koichi"

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    Supramolecular Architecture of an Amphiphilic Amino Alcohol as a Versatile Chiral Environment for Stereocontrolled Photoreaction of Various Anthracenes by Kanai, Hayato, Yamada, Kuniyo, Salikolimi, Krishnachary, Kodama, Koichi, Ishida, Yasuhiro

    Published in Chemistry : a European journal (07-11-2022)
    “…The photocyclodimerization of 2‐anthracenecarboxylic acid has been extensively studied as a model reaction of asymmetric photochemistry. So far, numerous…”
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    Journal Article
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    Direct enantioseparation of axially chiral 1,1′-biaryl-2,2′-diols using amidine-based resolving agents by Kodama, Koichi, Takase, Fusato, Hirose, Takuji

    Published in RSC advances (19-05-2021)
    “…Amidine-based optically active resolving agents for enantiomer separation of axially chiral 1,1′-biaryl-2,2′-diols have been developed. A strongly basic…”
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    Journal Article
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    Efficient preparation of stereopure amphiphilic 1,2‐amino alcohols by using preparative enantioselective HPLC by Kanai, Hayato, Yamada, Kuniyo, Kodama, Koichi, Ishida, Yasuhiro

    Published in Chirality (New York, N.Y.) (01-02-2022)
    “…Chiral amphiphiles are useful for controlling the structures and properties of supramolecular assemblies, but their stereocontrolled synthesis is generally…”
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    Journal Article
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    Photocleavage behavior of a polythiophene derivative containing a coumarin unit by Muralidhar, Jyorthana Rajappa, Kodama, Koichi, Hirose, Takuji, Ito, Yoshihiro, Kawamoto, Masuki

    Published in Polymer journal (01-02-2022)
    “…We synthesized a polythiophene derivative containing a photocleavable coumarin unit in the side chain. The resulting polymer contained 56% coumarin units with…”
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    Journal Article
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    Efficient and practical organocatalytic system for the synthesis of cyclic carbonates from carbon dioxide and epoxides: 3-hydroxypyridine/tetra-n-butylammonium iodide by Wang, Xiangyong, Wang, Lin, Zhao, Yingying, Kodama, Koichi, Hirose, Takuji

    Published in Tetrahedron (23-02-2017)
    “…An efficient and practical organocatalytic system comprising 3-hydroxypyridine and tetra-n-butylammonium iodide was developed for the synthesis of cyclic…”
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    Journal Article
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    Enantioseparation of 3-Hydroxycarboxylic Acids via Diastereomeric Salt Formation by 2-Amino-1,2-diphenylethanol (ADPE) and Cinchonidine by Chandrasekaran, Srinivas, Tambo, Masaki, Yamazaki, Yuta, Muramatsu, Tatsuro, Kanda, Yusuke, Hirose, Takuji, Kodama, Koichi

    Published in Molecules (Basel, Switzerland) (23-12-2022)
    “…Enantioseparation of 3-hydroxycarboxylic acids via diastereomeric salt formation was demonstrated using 2-amino-1,2-diphenylethanol (ADPE) and cinchonidine as…”
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    Journal Article
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    Solvent-Induced Reversed Stereoselectivity in Reciprocal Resolutions of Mandelic Acid and erythro-2-Amino-1,2-diphenylethanol by Shitara, Hiroaki, Shintani, Toshiki, Kodama, Koichi, Hirose, Takuji

    Published in Journal of organic chemistry (20-09-2013)
    “…Solvent-induced chirality switching in reciprocal optical resolution between mandelic acid (1) and erythro-2-amino-1,2-diphenylethanol (2) has been…”
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    Journal Article
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    Switching of Enantioselectivity in the Catalytic Addition of Diethylzinc to Aldehydes by Regioisomeric Chiral 1,3-Amino Sulfonamide Ligands by Hirose, Takuji, Sugawara, Kazuyuki, Kodama, Koichi

    Published in Journal of organic chemistry (01-07-2011)
    “…Twenty chiral 1,3-amino sulfonamides of two classes (2a–i and 3a–k) have been prepared from (−)-cis-2-benzamidocyclohexanecarboxylic acid (1) and studied as…”
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    Journal Article
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    Chirality Switching in Optical Resolution of Mandelic Acid in C1–C4 Alcohols: Elucidation of Solvent Effects Based on X‑ray Crystal Structures of Diastereomeric Salts by Kodama, Koichi, Shitara, Hiroaki, Hirose, Takuji

    Published in Crystal growth & design (02-07-2014)
    “…Chirality switching in the optical resolution of mandelic acid (MA) using (1R,2S)-2-amino-1,2-diphenylethanol (ADPE) in C1–C4 alcohols is demonstrated herein…”
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    Journal Article
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    Lower Critical Solution Temperature Phase Behavior of Linear Polymers in Imidazolium-Based Ionic Liquids: Effects of Structural Modifications by Kodama, Koichi, Nanashima, Hideyuki, Ueki, Takeshi, Kokubo, Hisashi, Watanabe, Masayoshi

    Published in Langmuir (17-03-2009)
    “…The solubility and phase behavior of linear polymethacrylate polymers, primarily poly(phenylalkyl methacrylate)s, in imidazolium-based ionic liquids (ILs) were…”
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    Journal Article
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    A coarse-grained model of the effective interaction for charged amino acid residues and its application to formation of GCN4-pLI tetramer by Kawaguchi, Kazutomo, Nakagawa, Satoshi, Kurniawan, Isman, Kodama, Koichi, Arwansyah, Muhammad Saleh, Nagao, Hidemi

    Published in Molecular physics (19-03-2018)
    “…We present a simple coarse-grained model of the effective interaction for charged amino acid residues, such as Glu and Lys, in a water solvent. The free-energy…”
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    Journal Article
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    Role of the Relative Molecular Length of the Components in Ternary Inclusion Crystals in the Chiral Recognition and Assembly of Supramolecular Helical Architectures by Kodama, Koichi, Kobayashi, Yuka, Saigo, Kazuhiko

    Published in Crystal growth & design (01-05-2007)
    “…The systematic investigation of supramolecular host systems consisting of a primary amine/carboxylic acids has been performed upon changing the molecular…”
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    Effect of alkoxy terminal chain length on mesomorphism of 1,6-disubstituted pyrene-based hexacatenar liquid crystals: columnar phase control by Hirose, Takuji, Takai, Hiroaki, Watabe, Mizuki, Minamikawa, Hiroyuki, Tachikawa, Tatsuya, Kodama, Koichi, Yasutake, Mikio

    Published in Tetrahedron (26-08-2014)
    “…Synthesis and mesophase-transition behaviors of six 1,6-disubstituted pyrene-based hexacatenar liquid crystals 1n (n=8–18) are reported here. They were…”
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    Thermoreversible helical fibers from photoreactive triphenylene-derived liquid crystals in liquid paraffin by Hirose, Takuji, Kikuchi, Yuka, Nakano, Tomoaki, Ohno, Tsukasa, Kawamura, Kengo, Nazri, Normazliana Binti, Fujimori, Atsuhiro, Kodama, Koichi, Yasutake, Mikio

    Published in Heliyon (01-11-2023)
    “…Liquid crystalline triphenylene derivatives, TPC1p-n (n = 6, 12, 14, 16) were prepared using p-alkoxycinnamate as the [2+2] photo-cyclization site. TPC1p-n…”
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    Journal Article
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    Noncovalent Functionalization of Single-Walled Carbon Nanotubes with a Photocleavable Polythiophene Derivative by Muralidhar, Jyorthana Rajappa, Kodama, Koichi, Hirose, Takuji, Ito, Yoshihiro, Kawamoto, Masuki

    Published in Nanomaterials (Basel, Switzerland) (25-12-2021)
    “…Single-walled carbon nanotubes (SWCNTs) have received extensive research attention owing to their extraordinary optical, electrical, and mechanical properties,…”
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    Two-Component Supramolecular Helical Architectures: Creation of Tunable Dissymmetric Cavities for the Inclusion and Chiral Recognition of the Third Components by Kodama, Koichi, Kobayashi, Yuka, Saigo, Kazuhiko

    Published in Chemistry : a European journal (01-01-2007)
    “…The inclusion and chiral recognition of racemic arylalkanols by supramolecular helical architectures consisting of enantiopure primary amines and achiral…”
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    Digital Archives for Nuclear Emulsion Data by Kodama, Koichi, Kamiya, Takehiro, Ichimura, Masakatsu, Nakamura, Mitsuhiro

    Published in EPJ Web of Conferences (2019)
    “…Digital archives for nuclear emulsion data of past experiments, such as in cosmic-ray and accelerator physics, is being studied and prepared. Significant…”
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    Journal Article Conference Proceeding
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    Renal arteriovenous fistula induced by extracorporeal shock wave lithotripsy treated by retroperitoneoscopic nephrectomy by Kodama, Koichi, Takase, Yasukazu, Tokai, Ryutaro, Saito, Katsuhiko

    Published in Asian journal of endoscopic surgery (01-07-2019)
    “…Renal arteriovenous fistula (AVF) is a rare but potentially severe and life‐threatening entity. It can occur after various invasive renal interventions,…”
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    Photoisomerization-Induced Tunable LCST Phase Separation of Azobenzene-Containing Polymers in an Ionic Liquid by Ueki, Takeshi, Yamaguchi, Ayuko, Ito, Naoki, Kodama, Koichi, Sakamoto, Junji, Ueno, Kazuhide, Kokubo, Hisashi, Watanabe, Masayoshi

    Published in Langmuir (18-08-2009)
    “…4-Phenylazophenyl methacrylate (AzoMA) and benzyl methacrylate (BnMA) were copolymerized to produce multistimuli-responsive polymers (P(AzoMA-r-BnMA)s) in a…”
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