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  1. Article

    Open Access

    Aggregation-induced emission from optically active X-shaped molecules based on planar chiral [2.2]paracyclophane

    An optically active π-stacked molecule was synthesized incorporating planar chiral [2.2]paracyclophane and o-carborane units to impart circularly polarized luminescence and aggregation-induced emission properties...

    Keishi Jikuhara, Ryo Inoue, Yasuhiro Morisaki in Scientific Reports (2023)

  2. No Access

    Article

    Synthesis of optically active through-space conjugated polymers consisting of planar chiral pseudo-meta-disubstituted [2.2]paracyclophane

    The polymerization of enantiopure pseudo-meta-diethynyl[2.2]paracyclophane with a diiodobenzene derivative was carried out through Sonogashira-Hagihara cross-coupling. The synthesized polymers consisted of three-...

    Hazuki Maeda, Ryo Inoue, Akinori Saeki, Yasuhiro Morisaki in Polymer Journal (2023)

  3. No Access

    Chapter

    Circularly Polarized Luminescence (CPL) Based on Planar Chiral [2.2]Paracyclophane

    In this chapter, chiroptical properties, especially circularly polarized luminescence (CPL) properties of optically active molecules based on planar chiral [2.2]paracyclophane are mainly introduced. In additio...

    Yasuhiro Morisaki in Progress in the Science of Functional Dyes (2021)

  4. No Access

    Chapter

    Circularly Polarized Luminescence from Planar Chiral Compounds Based on [2.2]Paracyclophane

    In this chapter, recent development on molecules emitting intense circularly polarized luminescence (CPL) based on planar chiral [2.2]paracyclophane is described. Optical resolution routes of the planar chiral...

    Yasuhiro Morisaki in Circularly Polarized Luminescence of Isolated Small Organic Molecules (2020)

  5. No Access

    Article

    Comparison of luminescent properties of helicene-like bibenzothiophenes with o-carborane and 5,6-dicarba-nido-decaborane

    This article describes comparison of the anchoring effect on electronic properties of the helicene-like bibenzothiophene between o-carborane and 5,6-dicarba-nido-decaborane. The o-carborane and nido-decaborane-fu...

    Kenta Nishino, Kazushi Hashimoto, Kazuo Tanaka in Science China Chemistry (2018)

  6. Article

    π-Conjugated polymer-layered structures: synthesis and self-assembly

    π-Conjugated polymers capped with a boronic acid end-functional group were synthesized by chain-growth Suzuki–Miyaura polycondensation. The obtained polymers were reacted with a π-stacked-polymer scaffold, develo...

    Yuichi Tsuji, Yasuhiro Morisaki, Yoshiki Chujo in Polymer Journal (2017)

  7. Article

    Open Access

    The relationship between magneto-optical properties and molecular chirality

    The chiral nonanuclear Tb(III) clusters [Tb9(sal-(R)-Bt)16(μ-OH)10]+[NO3] (Tb-(R)-Bt: sal-(R)-Bt=(R)-2-butyl salicylate) and [Tb9(sal-(S)-Bt)16(μ-OH)10]+[NO3] (Tb-(S)-Bt: sal-(S)-Bt=(S)-2-butyl salicylate) were...

    Satoshi Wada, Yuichi Kitagawa, Takayuki Nakanishi, Koji Fushimi in NPG Asia Materials (2016)

  8. Article

    Synthesis of optically active through-space conjugated polymers consisting of planar chiral [2.2]paracyclophane and quaterthiophene

    The alternating copolymers containing planar chiral 4,12-disubstituted[2.2]paracyclophane and quaterthiophene units in the main chain were prepared. The obtained optically active polymers exhibited mirror imag...

    Yasuhiro Morisaki, Kenichi Inoshita, Shotaro Shibata, Yoshiki Chujo in Polymer Journal (2015)

  9. No Access

    Reference Work Entry In depth

    Polyamines

    Yasuhiro Morisaki in Encyclopedia of Polymeric Nanomaterials (2015)

  10. No Access

    Reference Work Entry In depth

    Carborane Polymers

    Yasuhiro Morisaki in Encyclopedia of Polymeric Nanomaterials (2015)

  11. Article

    Synthesis and characterization of an alternating copolymer with 1,2-disubstituted and 9,12-disubstituted o-carborane units

    The alternating copolymer containing p-phenylene-ethynylene, 1,2-disubstituted o-carborane and 9,12-disubstituted o-carborane units in the main chain was prepared. Through the Sonogashira–Hagihara coupling, the d...

    Masato Tominaga, Yasuhiro Morisaki, Hirofumi Naito, Yoshiki Chujo in Polymer Journal (2014)

  12. No Access

    Living Reference Work Entry In depth

    Polyamines

    Yasuhiro Morisaki in Encyclopedia of Polymeric Nanomaterials

  13. No Access

    Living Reference Work Entry In depth

    Carborane Polymers

    Yasuhiro Morisaki in Encyclopedia of Polymeric Nanomaterials

  14. No Access

    Chapter

    Cyclophane-Based π-Stacked Polymers

    This chapter focused on the synthesis and fundamental properties of π-stacked polymers, which consist of the stacked π-electron systems created by the [m.n]cyclophane, in particular [2.2]paracyclophane, in the po...

    Yasuhiro Morisaki, Yoshiki Chujo in π-Stacked Polymers and Molecules (2014)

  15. Article

    Synthesis of unsymmetrical P-stereogenic oligophosphines and chemoselective cleavage of phosphine-borane coordinate bonds

    This paper describes the synthetic details and coordination abilities of optically active P-stereogenic tetraphosphine and hexaphosphine with different substituted groups on their phosphorus atoms. The polymer...

    Hiroaki Imoto, Ryosuke Kato, Yasuhiro Morisaki, Yoshiki Chujo in Polymer Journal (2012)

  16. Article

    Aromatic-ring-layered polymers composed of fluorene and xanthene

    Aromatic-ring-layered polymers were synthesized by Sonogashira–Hagihara coupling reaction using xanthene as a scaffold. The polymers were characterized by various spectroscopic and electrochemical methods. The...

    Jonas Alves Fernandes, Yasuhiro Morisaki, Yoshiki Chujo in Polymer Journal (2011)

  17. Article

    Synthesis and low-temperature dehydrating imidation polymerization of 1,4-dihydro-1,4-diarsininetetracarboxylic acid dianhydride

    cis-1,4-Dihydro-1,4-dimethyl-1,4-diarsinine-2,3,5,6-tetracarboxylic acid dianhydride (cis-DHDADA) was quantitatively formed from cis-1,4-dihydro-1,4-dimethyl-2,3,5,6-tetrakis(t-butoxycarbonyl)-1,4-diarsinine (cis

    Kensuke Naka, Manabu Arita, Tatsuo Shimamoto, Yasuhiro Morisaki in Polymer Journal (2011)

  18. Article

    Naphthalene-based oligothiophene-stacked polymers

    We report the synthesis and properties of π-stacked polymers consisting of oligothiophene and naphthalene as the stacked π-system and the scaffold, respectively. The titled polymers were obtained by the Suzuki...

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

  19. 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)

  20. 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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