Výsledky vyhledávání - "Kazuchika Ohta"

Discotic liquid crystals of transition metal complexes 59 : Parity effect of the number of d-electrons on the columnar mesomorphism and homeotropic alignment of 1,4-diazatriphenylenocyaninato metal(II) complexes

Autor: Kazuchika Ohta, Mikio Yasutake, Masahiro Shichi

Publikováno v: Journal of Porphyrins and Phthalocyanines. 25:843-857

Twenty super-discotic liquid crystals based on a largely expanded [Formula: see text]-conjugated macrocycle of 1,4-diazatriphenylenocyaninato metal(II) complex, (abbreviated as (C[Formula: see text]O)[Formula: see text]TzM: M = Co(1), Ni(2), Cu(3), Z

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2966bba7c3a163df0a34bbdf5a0bc67
https://doi.org/10.1142/s1088424621500668

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Discotic liquid crystals of transition metal complexes 58 : Novel phthalocyanine-based mesogenic monomers and polymers exhibiting spontaneous homeotropic alignment and helical tetragonal columnar structure

Autor: Mikio Yasutake, Kazuchika Ohta, Makiko Sugibayashi-Kajita, Ayumi Suzuki-Ichihara, Masahiro Ariyoshi

Publikováno v: Journal of Porphyrins and Phthalocyanines. 25:800-817

Two synthetizations of a novel series of phthalocyanine-based discotic liquid crystals substituted by a polymerizable group, acryloyl group or a norbornene group: 2-(12-acryloyloxydodecyloxy)-3-methoxy-9,10,16,17,23,24-hexakis (3,4-dialkoxyphenoxy)ph

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b7e3e87ba9634d31db5acfc5dd1c9a9
https://doi.org/10.1142/s1088424621500498

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Discotic liquid crystals of silicon phthalocyanine-based singledeckers and doubledeckers: Influence of the axial substituent groups on their mesomorphism

Autor: Nagao Kobayashi, Kazuchika Ohta, Keiji Itoh

Publikováno v: Journal of Porphyrins and Phthalocyanines. 25:188-201

Three kinds of silicon phthalocyanine derivatives axially substituted by different groups were prepared and Singledecker-C[Formula: see text]PcSiCl2 (1a), Singledecker-C[Formula: see text]PcSi2(OH)4 (3a, b) and Doubledecker-(C[Formula: see text]PcSi)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ee42de373cde225636f7018b1a53fae
https://doi.org/10.1142/s1088424621500115

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Discotic liquid crystals of transition metal complexes 57: X-ray diffraction halo jumps originated from sudden free rotation of substituent groups to induce mesomorphism

Autor: Hiromu Nakamura, Kouki Sugiyama, Mikio Yasutake, Takahiro Nishiguchi, Kazuchika Ohta

Publikováno v: Journal of Porphyrins and Phthalocyanines. 24:563-576

We have synthesized a novel series of four flying-seed-like liquid crystals (1Ph-PhO)4PcM [5-M: M = Co (5-Co), Ni (5-Ni), Cu (5-Cu) and Zn (5-Zn)] which are based on a phthalocyanine core having peripheral bulky groups without long alkyl chains, in o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5a18d7255be6813d754fc98fa09fe53b
https://doi.org/10.1142/s1088424620500042

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Discotic liquid crystals of transition metal complexes 56: Synthesis of mesogenic phthalocyanine-fullerene dyads and influence of the substitution position of alkoxy chains and the kind of terminal groups on appearance of the helical supramolecular structure

Autor: Ayumi Watarai, Mikio Yasutake, Kohei Ishikawa, Kazuchika Ohta

Publikováno v: Journal of Porphyrins and Phthalocyanines. 22:693-715

We have synthesized twelve novel discotic columnar liquid crystals based on a phenoxy-group-substituted phthalocyaninato copper(II) complex having the same alkoxy chain of C[Formula: see text]H[Formula: see text]O at different positions in the phenox

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b85c04da20864585bfef0e2aa51fe38
https://doi.org/10.1142/s108842461850092x

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