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List of Publications: Mr. Yuki Arakawa


小西研博士課程2年&学術振興会特別研究員DCの荒川優樹君の業績リスト(平成26年9月27日現在)です。今年は、これから多数の論文を投稿します。東工大のドクターの矜持を示すべく掲載します。

1. Y. Arakawa, S. Nakajima, R. Ishige, M. Uchimura, S. Kang, G. Konishi,* J. Watanabe, “Synthesis of diphenyl-diacetylene-based nematic liquid crystals and their high birefringence properties” J. Mater. Chem. 22, 8394-8398 (2012). [DOI: 10.1039/c2jm16002a]
2. Y. Arakawa, S. Nakajima, S. Kang, M. Shigeta, G. Konishi, J. Watanabe, “Design of an Extremely High Birefringence Nematic Liquid Crystal Based on Dinaphthyl-diacetylene Mesogen” J. Mater. Chem., 22, 13908-13910 (2012). [DOI:10.1039/C2JM32448B]
3. Y. Arakawa, S. Nakajima, S. Kang, M. Shigeta, G. Konishi, J. Watanabe, “Synthesis and evaluation of high-birefringence polymethacrylate having diphenyl-diacetylene LC moiety in side chain” J. Mater. Chem., 22, 14346-14348 (2012). [DOI: 10.1039/C2JM32489J]
4. Y. Arakawa, S. Nakajima, S. Kang, M. Shigeta, G. Konishi, J. Watanabe, “Synthesis and evaluation of dinaphthylacetylene nematic liquid crystals for high-birefringence materials” Liq. Cryst., 39, 1063-1069 (2012). [DOI:10.1080/02678292.2012.696730]
5. M. Uchimura, R. Ishige, M. Shigeta, Y. Arakawa, Y. Niko, J. Watanabe, G. Konishi, “Synthesis and properties of thermotropic liquid crystalline polyesters containing 9,10-diphenylanthracene moiety in the main chain” Res. Chem. Intermed. 39, 403-414 (2013). [DOI: 10.1007/s11164-012-0658-y]
6. Y. Arakawa, H. Furuya, G. Konishi, “Synthesis of a New Poly(dinaphthylacetylene) and Evaluation of Its Solution Conformation” Polym. Bull., 70, 47-57 (2013). [DOI: 10.1007/s00289-012-0819-6]
7. Y. Tojo, Y. Arakawa, J. Watanabe, G. Konishi, “Synthesis of High-Refractive-Index and Low-Birefringence Acrylate Polymers with Tetraphenylethane Skeleton in the Side Chain” Polym. Chem., 4, 3807-3812 (2013). [DOI: 10.1039/C3PY00377A]
8. S. Kang, S. Nakajima, Y. Arakawa, G. Konishi, J. Watanabe, “Large extraordinary refractive index in highly birefringent nematic liquid crystals of dinaphthyldiacetylene-based materials” J. Mater. Chem. C, 1, 4222-4226 (2013). [DOI: 10.1039/c3tc30640b]
9. Y. Arakawa, S. Kang, S. Nakajima, K. Sakajiri, Y. Cho, S. Kawauchi, J. Watanabe, G. Konishi, “Diphenyltriacetylenes: Novel nematic liquid crystal materials and analysis of their nematic phase-transition and birefringence behaviours” J. Mater. Chem. C, 1, 8094-8102 (2013). [DOI:10.1039/C3TC31658K]
10. Y. Arakawa, S. Kang, S. Nakajima, K. Sakajiri, S. Kawauchi, J. Watanabe, G. Konishi, “Synthesis of new wide nematic diaryl-diacetylenes containing thiophene-based heteromonocyclic and heterobicyclic structures, and their birefringence properties” Liq. Cryst., 41, 642-651 (2014). [DOI: 10.1080/02678292.2013.873492]
11. S. Kang, S. Nakajima, Y. Arakawa, M. Tokita, J. Watanabe, G. Konishi, “Evaluation of optical parameters in side-chain LC polymethacrylate with a dinaphthyl-acetylene mesogenic unit” Polym. Chem., 5, 2253-2258 (2014). [DOI: 10.1039/C2PY90049A]
12. Y. Arakawa, S. Kang, J. Watanabe, G. Konishi, “Synthesis, phase transition behaviors, and birefringence properties of fluorinated diphenyl-diacetylene derivatives” Chem. Lett., in press. [DOI: 10.1246/cl.140779]

# by abruckner5 | 2014-09-27 10:11 | News

List of Publications: Mr. Yosuke NIKO


小西研博士課程3年&学術振興会特別研究員DCの仁子陽輔君の業績リスト(平成26年9月27日現在)です。東工大のドクターの矜持を示すべく掲載します。

1. Y. Niko, S. Kawauchi, G. Konishi, “Synthesis, Luminescence Properties, and Theoretical Insights of N-Alkyl- or N,N-Dialkyl-pyrene-1-carboxamide” Tetrahedron Lett., 52, 4843 (2011). [DOI: 10.1016/j.tetlet.2011.07.020]
2. Y. Niko, G. Konishi, “Polymer-Chain-Induced Tunable Luminescence Properties: Amphiphilic Poly(2-oxazoline)s Possessing a N,N-Dialkylpyrene-1-carboxamide Chromophore in the Side Chain” Macromolecules, 45, 2327-2337 (2012). [DOI: 10.1021/ma3001252]
3. Y. Niko, Y. Hiroshige, S. Kawauchi, G. Konishi, “Additional Insights into New Luminescence Process of Polycyclic Aromatic Hydrocarbons with Carbonyl Groups: Photophysical Properties of Secondary N-Alkyl and Tertiary N,N-Dialkyl Carboxamides of Naphthalene, Anthracene, and Pyrene” J. Org. Chem., 77, 3986-3996 (2012). [DOI: 10.1021/jo300317r]
4. Y. Niko, Y. Hiroshige, S. Kawauchi, G. Konishi, “Fundamental Photoluminescence Properties of Pyrene Carbonyl Compounds through Absolute Fluorescence Quantum Yield Measurement and Density Functional Theory” Tetrahedron, 68, 6177-6185 (2012). [DOI: 10.1016/j.tet.2012.05.072]
5. Y. Niko, G. Konishi “Molecular Design of Highly Fluorescent Dyes” J. Syn. Org. Chem. Jpn. 2012, 70, 918-927 (2012)
6. M. Uchimura, R. Ishige, M. Shigeta, Y. Arakawa, Y. Niko, J. Watanabe, G. Konishi, “Synthesis and properties of thermotropic liquid crystalline polyesters containing 9,10-diphenylanthracene moiety in the main chain” Res. Chem. Intermed. 39, 403-414 (2013). [DOI: 10.1007/s11164-012-0658-y]
7. Y. Niko, S. Kawauchi, S. Otsu, K. Tokumaru, G. Konishi, “Fluorescence Enhancement of Pyrene Chromophores Induced by Alkyl Groups through sigma-pi Conjugation: Systematic Synthesis of Primary, Secondary, and Tertiary Alkylated Pyrenes at the 1, 3, 6, and 8 Positions and Their Photophysical Properties” J. Org. Chem. 78, 3196-3207 (2013). [DOI: 10.1021/jo400128c].
8. K. Sumi, Y. Niko, K. Tokumaru, G. Konishi, “Three-Dimensional Assembly of Pyrene Dye on Tetraphenylethane Scaffold Enhances Fluorescent Quantum Yield” Chem. Commun., 49, 3893-3895 (2013). [DOI:10.1039/C3CC41312H]
9. Y. Niko, S. Kawauchi, G. Konishi, “Solvatochromic Pyrene Analogs of Prodan Exhibiting Extremely High Fluorescence Quantum Yields in Apolar and Polar Solvents” Chem. Eur. J., 19, 9760-9765 (2013). [DOI: 10.1002/chem.201301020]
10. S. Ji, M. Shigeta, Y. Niko, J. Watanabe, G. Konishi, “Synthesis of highly soluble fluorescent π-extended 2-(2-thienyl)benzothiazole derivatives via oxidative cyclization of 2-thienylthioanilide as the key step” Tetrahedron Lett., in press. [DOI: 10.1016/j.tetlet.2013.10.071]
11. Y. Niko, S. Sasaki, S. Kawauchi, K. Tokumaru, G. Konishi, “Design of Weak-Donor Alkyl–Functionalized Push–Pull Pyrene Dyes Exhibiting Enhanced Fluorescence Quantum Yields and Unique On–Off Switching Properties” Chem. Asian J., 9, 1797–1807 (2014). [DOI: 10.1002/asia.201402088]
12. S. Sasaki, Y. Niko, K. Igawa, G. Konishi, “Aggregation-induced emission active D-π-A binaphthyl luminophore with dual-mode fluorescence” RSC Adv., 4, 33474–33477 (2014). [DOI: 10.1039/C4RA05871B]
13. S. Sasaki, Y. Niko, A. S. Klymchenko, G. Konishi, “Design of donor-acceptor geometry for tuning of excited state polarization: fluorescence solvatochromism of push-pull biphenyls with various torsional restrictions on their aryl-aryl bonds” Tetrahedron, 70, 7551–7559 (2014). [DOI: 10.1016/j.tet.2014.08.002]
14. Y. Niko, Y. Cho, S. Kawauchi, G. Konishi, “Pyrene-based D-π-A dyes that exhibit solvatochromism and high fluorescence brightness in apolar solvents and water” RSC Adv., 4, 36480–36484 (2014). [DOI: 10.1039/C4RA06282E]
15. Y. Niko, Y. Arntz, I. Mely, G. Konishi, A. S. Klymchenko, “to be announced” Chem. Eur. J., in press. [DOI: @]

# by abruckner5 | 2014-09-27 10:09 | News

受賞

記念すべき第60回高分子研究発表会(神戸)・60周年記念講演会(関西支部主催)で、大学院生の仁子君がエクセレントポスター賞を受賞しました!

# by abruckner5 | 2014-07-28 06:59 | News

2015年 ハワイ 元素戦略

Cognizance of Endangered Elements for Organic Synthesis (#415)

http://www.pacifichem.org/symposiadesc2015/c_symp_415.htm

Pacifichem 2015でシンポジウムのco-organizerをつとめます。東大の辻先生が代表です。
内容は、元素戦略です。

40年ぶりの米国渡航になりそうです。

# by abruckner5 | 2014-07-09 10:45 | News

独創的グリーンケミカルが拓く未来素材

9月29日にJBAバイオセミナーシリーズ「独創的グリーンケミカルが拓く未来素材」で講演します。詳細は、主催元で発表されてから告知いたします。

# by abruckner5 | 2014-07-07 11:07 | News