Search Results - "Ohshita, Joji"

Conjugated Oligomers and Polymers Containing Dithienosilole Units by Ohshita, Joji

“…Dithienosilole (DTS) with a silole ring fused to a bithiophene unit are of interest. The condensed tricyclic system shows extended conjugation compared with…”
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Synthesis and Properties of Benzo[d]dithieno[b,f]borepins by Adachi, Yohei, Ohshita, Joji

“…Borepin is a seven-membered unsaturated ring system containing a tricoordinate boron. Although many borepin compounds annulated with aromatic systems have been…”
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Synthesis of Unsymmetrically Condensed Benzo- and Thienotriazologermoles by Wang, Cong-Huan, Adachi, Yohei, Ohshita, Joji

“…Germoles and siloles unsymmetrically condensed with heteroaromatic units are attracting much interest. In this study, compounds containing a triazologermole…”
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The Preparation of Dithieno[3,2- b :4,5- c ']germole, and Its Application as a Donor Unit in Conjugated D-A Compounds by Wang, Cong-Huan, Adachi, Yohei, Ohshita, Joji

“…Group 14 metalloles have attracted much attention as core structures of conjugated functional materials. In this work, we prepared dithieno[3,2- :4,5-…”
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Aryne, ortho-Quinone Methide, and ortho-Quinodimethane: Synthesis of Multisubstituted Arenes Using the Aromatic Reactive Intermediates by Yoshida, Hiroto, Ohshita, Joji, Kunai, Atsutaka

“…A useful synthetic method for building up multisubstituted arenes of structural complexity and diversity by use of aromatic reactive intermediates is…”
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Synthesis and Optical Properties of Anthryl-substituted Tetracyclic Borepins by Adachi, Yohei, Yamada, Kohei, Ohshita, Joji

“…Anthracene-substituted triarylboranes have been widely studied as optoelectronic materials because of their unique photophysical properties. In this work, we…”
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Pervaporation removal of methanol from methanol/organic azeotropes using organosilica membranes: Experimental and modeling by Dong, Guanying, Nagasawa, Hiroki, Yu, Liang, Wang, Qing, Yamamoto, Kazuki, Ohshita, Joji, Kanezashi, Masakoto, Tsuru, Toshinori

“…Membrane-based separation of organic/organic mixtures is of great importance in the chemical and petrochemical industries, but remains very challenging owing…”
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Copper-Catalyzed Borylation Reactions of Alkynes and Arynes by Yoshida, Hiroto, Kawashima, Shota, Takemoto, Yuki, Okada, Kengo, Ohshita, Joji, Takaki, Ken

“…One, two, three, four: A copper(I)–phosphine complex catalyzes the diborylation of alkynes and arynes, and the tri‐ or tetraborylation of propargyl ethers (see…”
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Three-component coupling using arynes and DMF: straightforward access to coumarins via ortho-quinone methides by Yoshida, Hiroto, Ito, Yu, Ohshita, Joji

“…ortho-Quinone methides, arising from a formal [2+2] cycloaddition between arynes and DMF, were found to facilely undergo a [4+2] cycloaddition with ester…”
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Highly Efficient Singlet Oxygen Generation and High Oxidation Resistance Enhanced by Arsole-Polymer-Based Photosensitizer: Application as a Recyclable Photooxidation Catalyst by Tanaka, Susumu, Enoki, Toshiaki, Imoto, Hiroaki, Ooyama, Yousuke, Ohshita, Joji, Kato, Takuji, Naka, Kensuke

“…Photosensitizers have attracted considerable attention in various fields such as organic synthesis and medical care. For the development of high-performance…”
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Preparation of D-A copolymers based on dithiazologermole and germaindacenodithiazole as weak electron donor units by Sun, Weipeng, Adachi, Yohei, Ohshita, Joji

“…Distannylated dithiazologermole and germaindacenodithiazole were copolymerized with dibrominated 2,1,3-benzothiadiazole and…”
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CO2 Incorporation Reaction Using Arynes:  Straightforward Access to Benzoxazinone by Yoshida, Hiroto, Fukushima, Hiroyuki, Ohshita, Joji, Kunai, Atsutaka

“…A zwitterion, generated from an aryne and an imine, has been demonstrated to serve as an excellent molecular scaffold for capturing CO2, which results in the…”
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Intramolecular Energy Transfer in Dithienogermole Derivatives by Adachi, Yohei, Nomura, Takanori, Ohshita, Joji

“…Dithienogermole (DTG) has been applied as a useful building unit of optical/semiconducting materials for organic optoelectronic devices because of its extended…”
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Tailoring the microstructure and permeation properties of bridged organosilica membranes via control of the bond angles by Guo, Meng, Kanezashi, Masakoto, Nagasawa, Hiroki, Yu, Liang, Yamamoto, Kazuki, Gunji, Takahiro, Ohshita, Joji, Tsuru, Toshinori

“…Sol-gel-derived organosilica membranes with different linking groups consisting of 2 carbon atoms (ethane, ethylene, and acetylene) were fabricated using…”
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Synthesis, Properties, and Complex Formation of Antimony- and Bismuth-Bridged Bipyridyls by Ohshita, Joji, Yamaji, Kosuke, Ooyama, Yousuke, Adachi, Yohei, Nakamura, Masashi, Watase, Seiji

“…Antimony- and bismuth-bridged bipyridyls (dipyridinostibole and dipyridinobismole; DPySb and DPyBi) were prepared by the reactions of dilithiobipyridyl with…”
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m-Phenylene linked macrocycle composed of electron-rich dithienogermole and electron-deficient tricoordinate boron units by Adachi, Yohei, Kondo, Keisuke, Yin, Xiaodong, Jäkle, Frieder, Ohshita, Joji

“…Incorporation of non-conventional elements into π-conjugated systems is a powerful tool to control the electronic structures. In this work, electron-deficient…”
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Preparation of a one-dimensional soluble polysilsesquioxane containing phosphonic acid side-chain groups and its thermal and proton-conduction properties by Harada, Akiyuki, Shikinaka, Kazuhiro, Ohshita, Joji, Kaneko, Yoshiro

“…A soluble polysilsesquioxane (PSQ) containing phosphonic acid side-chain groups (PSQ-PO3H2) was successfully prepared by hydrolytic polycondensation of…”
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Preparation and Reactions of Dichlorodithienogermoles by Ohshita, Joji, Nakamura, Masashi, Ooyama, Yousuke

“…The reaction of 3,3′-dilithiobithiophenes with tetrachlorogermane afforded 4,4-dichlorodithienogermoles, which readily underwent substitution on the central…”
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Preparation of robust RO membranes for water desalination by interfacial copolymerization of bis[(triethoxysilyl)propyl]amine and bis(triethoxysilyl)ethane by Zhang, Dian, Ohshita, Joji

“…Bridged polysilsesquioxane membranes have been expected as robust RO membranes for water desalination. However, water permeability of the membranes was not…”
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Lewis-Acid Sites of TiO2 Surface for Adsorption of Organic Dye Having Pyridyl Group as Anchoring Unit by Harima, Yutaka, Fujita, Takuya, Kano, Yuta, Imae, Ichiro, Komaguchi, Kenji, Ooyama, Yousuke, Ohshita, Joji

“…Adsorption of an organic dye having a pyridyl group as an anchoring unit (NI4) is studied on nanocrystalline TiO2 surface by being compared with a similar dye…”
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