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  1. No Access

    Article

    Aromatic ring-layered polymer containing 2,7-linked carbazole on xanthene

    New aromatic ring-layered polymer comprising the 2,7-linked carbazole and xanthene units was synthesized by the Sonogashira coupling reaction. The structure and optical properties of the 2,7-linked carbazole-l...

    Jonas Alves Fernandes, Yasuhiro Morisaki, Yoshiki Chujo in Polymer Bulletin (2010)

  2. No Access

    Article

    Through-space conjugated polymer containing [2.2]paracyclophane and dithiafulvene units in the main chain

    A new through-space conjugated polymer containing alternate [2.2]paracyclophane and dithiafulvene units was synthesized by cycloaddition polymerization of aldothioketene derived from 4,16-diethynyl[2.2]paracyc...

    Yasuhiro Morisaki, Lin Lin, Yoshiki Chujo in Polymer Bulletin (2009)

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    Article

    Synthesis of through-space conjugated polymers containing the pseudo-ortho-linked [2.2]paracyclophane moiety

    New through-space conjugated polymers comprising the pseudo-ortho-linked [2.2]paracyclophane moiety were synthesized by the Sonogashira coupling reaction. All the synthesized polymers were soluble in common organ...

    Yasuhiro Morisaki, Naoki Wada, Manabu Arita, Yoshiki Chujo in Polymer Bulletin (2009)

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    Article

    Synthesis of Optically Active Dendrimers Having Chiral Bisphosphine as a Core

    First and second generation chiral dendrimers P-1G1, P-2G1, P-1G2 and P-2G2 containing chiral bisphosphine as a core were synthesized via a reaction of chiral bisphosphine compound (S,S)-1 with benzyl ether dendr...

    Yuko Ouchi, Yasuhiro Morisaki, Yoshiki Chujo in Polymer Bulletin (2007)

  5. No Access

    Article

    Synthesis and Characterization of π-Conjugated Polymers with a 2,5-Substituted Phosphole Skeleton

    Novel π-conjugated polymers 10a-c having the phosphole ring were prepared by PdCl2(PPh3)2/CuI catalyzed coupling of 1-phenyl-2,5-bis(p-bromophenyl)phosphole 8 with fluorine-substituted diethynylbenzene 9a-c. The ...

    Yasuhiro Morisaki, Hai-Sub Na, Yasuhiro Aiki, Yoshiki Chujo in Polymer Bulletin (2007)

  6. No Access

    Article

    Synthesis of Conjugated Polymers Containing Phosphole with the 5-Member Fused Carbocycle

    Novel conjugated polymers 9a–c possessing the phosphole ring with the 5-member fused carbocycle were synthesized by palladium catalyzed coupling reaction of 1-phenyl-2,5-bis(p-bromophenyl)phosphole 7 with diethyn...

    Hai-Sub Na, Yasuhiro Morisaki, Yasuhiro Aiki, Yoshiki Chujo in Polymer Bulletin (2007)

  7. No Access

    Article

    Synthesis of the Optically Active Polymer Consisting of Chiral Phosphorus Atoms and p-Phenylene-ethynylene Units

    We successfully synthesized optically active polymer 4 by using chiral bisphosphine, (S,S)-1,2-bis(boranato(t-butyl)methylphosphino)ethane (S,S)-1, as a key building block. The structure of the polymer was charac...

    Yasuhiro Morisaki, Yuko Ouchi, Kazuhiko Tsurui, Yoshiki Chujo in Polymer Bulletin (2007)

  8. No Access

    Article

    Oxidation of Dithia[3.3]metacyclophane-Containing Through-Space π-Conjugated Polymer

    The oxidation reaction of dithia[3.3]metacyclophane-containing π-conjugated polymer (3) was performed by the treatment with m-chloroperbenzoic acid (m-CPBA). The reaction proceeded smoothly to obtain the correspo...

    Yasuhiro Morisaki, Tamao Ishida, Yoshiki Chujo in Polymer Bulletin (2006)

  9. No Access

    Article

    Novel Conjugated Polymers Containing [2.2]Paracyclophane and Carbazole Units with Efficient Photoluminescence

    Novel through-space conjugated polymers based on PPE having [2.2]paracyclophane and N-alkylcarbazole units in the main chain were synthesized by Sonogashira-coupling reaction. All polymers were quite soluble in a...

    Yasuhiro Morisaki, Naoki Wada, Yoshiki Chujo in Polymer Bulletin (2005)

  10. No Access

    Article

    Synthesis and Properties of PPV–Based (η6–Arene)Cr(CO)3–Containing Polymers Having Alkyldiphenylamine or Triarylamine in the Main Chain

    Novel poly(p–phenylenevinylene)–based (η6–arene)Cr(CO)3–containing polymers including the alkyldiphenylamine or triarylamine units in the main chain were synthesized by the Homer–Wadsworth–Emmons coupling reactio...

    Yasuhiro Morisaki, Hui Chen, Yoshiki Chujo in Polymer Bulletin (2004)

  11. No Access

    Article

    Synthesis and Properties of Novel Poly(p-phenylenevinylene)s Containing a Tricarbonyl(arene)chromium Unit in the Main Chain

    Yasuhiro Morisaki, Hui Chen, Yoshiki Chujo in Polymer Bulletin (2003)

  12. No Access

    Article

    Synthesis and optical properties of the [2.2]paracyclophane-containing π-conjugated polymer with a diacetylene unit

    Yasuhiro Morisaki, Yoshiki Chujo in Polymer Bulletin (2002)

  13. No Access

    Article

    Synthesis and properties of conjugated copolymers having a tricarbonyl(arene)chromium and thiophene units in the main chain

    Yasuhiro Morisaki, Hui Chen, Yoshiki Chujo in Polymer Bulletin (2002)