有機化学、機能材料科学

1. 機能性π電子系材料の設計と合成
2. 機能性ホウ素化合物の創製
3. 高効率環化反応の開発

• ラダー型π電子系の典型元素修飾
  山口茂弘
  高分子, 57, 150-153 (2008).

• ヘテロ環縮環ラダー型π電子系の合成と機能
  山口茂弘
  電子共役系有機材料の創製・機能開発・応用，監修：檜山為次郎，シー・エム・シー出版，2008, pp. 154-167.

• Bis-Phosphoryl-Bridged Stilbenes Synthesized by an Intramolecular Cascade Cyclization
  A. Fukazawa, M. Hara, T. Okamoto. E.-C. Son, C. Xu, K. Tamao, and S. Yamaguchi
  Org. Lett., 10, 913-916 (2008).

• Kinetically Stabilized Dibenzoborole as an Electron-Accepting Building Unit
  A. Wakamiya, K. Mishima, K. Ekawa, and S. Yamaguchi
  Chem. Commun., 579-581 (2008).

• Coplanar Oligo(p-phenylenedisilenylene)s Based on the Octaethyl-Substituted s-Hydrindacenyl Groups
  A. Fukazawa, Y. Li, S. Yamaguchi, H. Tsuji, and K. Tamao
  J. Am. Chem. Soc., 129, 14164-14165 (2007).

• Thiophene and Selenophene-Based Heteroacenes: Combined Quantum Chemical DFT, and Spectroscopic Raman and UV-Vis-NIR Study
  R. M. Osuna, R. P. Ortiz, T. Okamoto, Y. Suzuki, S. Yamaguchi, V. Hernandez, J. Teodomiro, and L. Navarrete
  J. Phys. Chem. B, 111, 7488-7496 (2007).

• Highly Emissive Poly(aryleneethynylene)s Containing 2,5-Dibroyl-1,4-Phenylene as a Building Unit
  C. -H. Zhao, A. Wakamiya, and S. Yamaguchi
  Macromolecules, 40, 3898-3900 (2007).

• 3-Boryl-2,2'-Bithiophene as a Versatile Core Skeleton for Full-Color Highly Emissive Organic Solids
  A. Wakamiya, K. Mori, and S. Yamaguchi
  Angew. Chem. Int. Ed., 46, 4273-4276 (2007). (Selected as a VIP and cover picture)

• K. Yamada, T. Okamoto, K. Kudoh, A. Wakamiya, S. Yamaguchi, and J. Takeya: Single Crystal Field Effect Transistors of Benzo-Annulated Fused Oligothiophenes and Oligoselenophenes, Appl. Phys. Lett., 90, 072102-072105, 2007.

• K. Mouri, A. Wakamiya, H. Yamada, T. Kajiwara, and S. Yamaguchi: Ladder Distyrylbenzenes with Silicon and Chalcogen Bridges: Synthesis, Structures, and Properties, Org. Lett., 9, 93-96, 2007.

• T. Okamoto, K. Kudoh, A. Wakamiya, and S. Yamaguchi: General Synthesis of Extended Fused Oligothiophenes Consisting of Even Number of Thiophene Rings, Chem. Eur. J., 13, 548-556, 2007.

• Intramolecular B-N Coordination as a New Scaffold for Design of Electron Transporting Materials: Synthesis and Properties of Boryl-Substituted Thienylthiazoles, A. Wakamiya, T. Taniguchi, and S. Yamaguchi, Angew. Chem. Int. Ed., in press.

• Ladder pi-Conjugated Materials with Main Group Elements
  S. Yamaguchi, C. Xu, and T. Okamoto, Pure Appl. Chem., 78, 721-730 (2006).

• General Synthesis of Thiophene and Selenophene-Based Heteroacenes
  T. Okamoto, K. Kudoh, A. Wakamiya, and S. Yamaguchi, Org. Lett., 7, 5301-5304 (2005).

• Toward p-Conjugated Molecular Bundles: Synthesis of a Series of B,B',B"-Trianthryl-N.N',N"-triarylborazines and the Bundle Effects on their Properties, A. Wakamiya, T. Ide, and S. Yamaguchi, J. Am. Chem. Soc., 127, 14859-14866 (2005).

• Ladder Oligo(p-phenylenevinylene)s with Silicon and Carbon Bridges, C. Xu, A. Wakamiya, and S. Yamaguchi, J. Am. Chem. Soc., 127, 1638-1639 (2005).

• A Key Role of Orbital Interaction in the Main Group Element-Containing p-Electron Systems, S. Yamaguchi and K. Tamao, Chem. Lett. (Highlight Review), 34, 2-7 (2005).

• Ladder Bis-Silicon-Bridged Stilbenes as a New Building Unit for Fluorescent p-Conjugated Polymers, C. Xu, H. Yamada, A. Wakamiya, S. Yamaguchi, and K. Tamao, Macromolecules, 37, 8978-8983 (2004).

• General Silaindene Synthesis Based on Intramolecular Reductive Cyclization: Synthesis of New Fluorescent Silicon-Containing p-Electron Systems, C. Xu, A. Wakamiya, and S. Yamaguchi, Org. Lett., 6, 3707-3710 (2004).

• Bis-Silicon-Bridged Stilbene Homologues Synthesized by New Intramolecular Reductive Double Cyclization, S. Yamaguchi, C, Xu, and K. Tamao, J. Am. Chem. Soc., 125, 13662-13663 (2003)

• Dibenzoborole-Containing p-Electron Systems: Remarkable Fluorescence Change Based on the ON/OFF-Control of the p_p-p* Conjugation, S. Yamaguchi, T. Shirasaka, S. Akiyama, and K. Tamao, J. Am. Chem. Soc., 124, 8816-8817 (2002).