Laboratory of Physical Organic Chemistry
Graduate School of Science, Osaka City University

Publication list

 

2022 年

  1. Platinum octaethylporphyrin-diphenylanthracene dyad with an ethynylene linker, Takumi Wada, Yoshimitsu Tachi, Kazuo Toyota, Masatoshi Kozaki,  Tetrahedron Letters 2022, 108(12), 154131. doi.org/10.1016/j.tetlet.2022.154131
  2. A fused polycyclic compound containing phenothiazine and diazapyrene skeletons with weak D-A interactions, Keito Matsumoto, Yoshimitsu Tachi, Masatoshi Kozaki,  Chem. Commun. 2022, 58(61), 8572-8575. doi.org/10.1039/d2cc02635j
  3. Heteroatom-incorporated Trimethylenemethane: Synthesis and Properties of Triphenylphenylnitroxide–(Nitronyl Nitroxide) Dyad, Tasuku Kumagai, Shuichi Suzuki, Yuki Kanzaki, Daisuke Shiomi, Kazunobu Sato, Takeji Takui, Rika Tanaka, Keiji Okada, Masatoshi Kozaki,  Chem. Lett. 2022, 51(4), 458-460. doi.org/10.1246/cl.220021
  4. Synthesis of Triazabenzo[ a]pyrenes and Their Photophysical, Acid‐Responsive, and Electrochemical Properties,Yasufumi Masani, Yuta Omura, Yoshimitsu Tachi, Masatoshi Kozaki, Asian Journal of Organic Chemistry 2022, doi.org/10.1002/ajoc.202200015
  5. A Molecule Having 13 Unpaired Electrons: Magnetic Property of a Gadolinium(III) Complex Coordinated with Six Nitronyl Nitroxide Radicals, Ryu Tanimoto, Tomoyuki Wada, Keiji Okada, Daisuke Shiomi, Kazunobu Sato, Takeji Takui, Shuichi Suzuki, Takeshi Naota, Masatoshi Kozaki, Inorg. Chem. 2022, 61(7), 3018-3023. doi.org/10.1021/acs.inorgchem.1c03764
  6. 安定ラジカルカチオン種が示す奇抜な性質と機能, 鈴木 修一, 小嵜 正敏, 直田 健, 2022.

2021 年

  1. Smallest Organic Tetracation in the Gas Phase: Stability of Multiply Charged Diiodoacetylene Produced in Intense Femtosecond Laser Fields, Takashi Kawaguchi, Kosei Kitagawa, Kazuo Toyota, Masatoshi Kozaki, Keiji Okada, Nobuaki Nakashima, Tomoyuki Yatsuhashi, The Journal of Physical Chemistry A 2021, 125(36), 8014-8024. doi.org/10.1021/acs.jpca.1c06390
  2. Aurophilic Interactions in Multi‐Radical Species: Electronic‐Spin and Redox Properties of Bis‐ and Tris‐[(Nitronyl Nitroxide)‐Gold(I)] Complexes with Phosphine‐Ligand Scaffolds, Sayaka Kira, Takayuki Miyamae, Kohei Yoshida, Yuki Kanzaki, Kenji Sugisaki, Daisuke Shiomi, Kazunobu Sato, Takeji Takui, Shuichi Suzuki, Masatoshi Kozaki, Keiji Okada, Chemistry – A European Journal 2021, 27(44), 11450-11457. doi.org/10.1002/chem.202101483
  3. Photovoltaic investigation of CPDT based small molecule for BHJ OSC devices, Rania Zaier, Masatoshi Kozaki, Sahbi Ayachi, 18th IEEE International Multi-Conference on Systems, Signals and Devices SSD 2021, 1345-1349. doi.org/10.1109/SSD52085.2021.9429491
  4. Syntheses and Properties of (Nitronyl nitroxide)‐substituted Tri‐phenylamine ortho ‐Bridged by Two Oxygen and Sulfur Atoms, Naoki Yokoyama, Nobuaki Tanaka, Natsumi Fujimoto, Rika Tanaka, Shuichi Suzuki, Daisuke Shiomi, Kazunobu Sato, Takeji Takui, Masatoshi Kozaki, Keiji Okada, Chemistry – An Asian Journal 2021, 16(1), 72-79. doi.org/10.1002/asia.202001227

2020 年

  1. Magnetic Properties of Metal Clusters Coordinated with (Nitronyl Nitroxide)‐Substituted Amidinate Ligands, Ryu Tanimoto, Shuichi Suzuki, Masatoshi Kozaki, Yuki Kanzaki, Daisuke Shiomi, Kazunobu Sato, Takeji Takui, Rika Tanaka, Keiji Okada, ChemistrySelect 2020, 5(36), 11170-11176. doi.org/10.1002/slct.202002927
  2. Condensed Phenoxazine Dimer and Its Radical Cation, Takayuki Miyamae, Makoto Haraguchi, Yoshimitsu Tachi, Shuichi Suzuki, Masatoshi Kozaki, Keiji Okada, Organic Letters 2020, 22(17), 6790-6793. doi:10.1246/bcsj.20190199
  3. Redox‐Induced Modulation of Exchange Interaction in a High‐Spin Ground‐State Diradical/Triradical System , Atsuki Nagata, Shinsuke Hiraoka, Shuichi Suzuki, Masatoshi Kozaki, Daisuke Shiomi, Kazunobu Sato, Takeji Takui, Rika Tanaka, Keiji Okada, Chemistry – A European Journal 2020, 26(14), 3166-3172. doi.org/10.1002/chem.201905465
  4. Inhibition of Ligand Binding Ability of Three Porphyrins by an Organic Effector, Nishimura Tomoaki, Sasaki Yoshito, Tachi Yoshimitsu, Suzuki Shuichi, Okada Keiji, Kozaki Masatoshi, Chemistry An Asian Journal 2020, 15(5), 594-600. doi.org/10.1002/asia.201901711

2019 年

  1. Synthesis and Magnetic Properties of (Pyrrolidin-1-oxyl)-(Nitronyl Nitroxide)/(Iminonitroxide)–Dyads, Haruki Tsujimoto, Shuichi Suzuki, Masatoshi Kozaki, Daisuke Shiomi, Kazunobu Sato, Takeji Takui, Keiji Okada, Chem. Asian J. 2019, 14(10), 1801-1806. doi.org/10.1002/asia.201801615
  2. Disorder-Enhanced Dimensionless Thermoelectric Figure of Merit zT of Non-stoichiometric Organic Conductor (TTT)2I3+d (≤ 0.1), Yoshino, H.; Hasegawa, A.; Kuroda, N.; Ishikawa, M.; Tanaka, R.; Kozaki, M.; Nakano, Y.; Otsuka, A.;  Yamochi, H. J. Phys. Soc. Jpn. 2019, 88, 104708. doi:org/10.7566/JPSJ.88.104708
  3. Structures and Electronic Properties of Diisopropylaminoborane Substituted with Highly Electron-Rich π-Conjugated Systems and Their Oxidized States, Yoshida, K.; Suzuki, S.; Kozaki, M.; Okada, K. Bull. Chem. Soc. Jpn. 2019, 92(11), 1902-1909. doi:10.1246/bcsj.20190199
  4. Designing New Small Molecules from Cyclopentadithiophene (CPDT) Derviatives for Highly Efficient Blue Emitters in OLEDs: DFT Computational Modeling, Zaier, R.; H. Said, H., Kozaki, M.; Ayachi, A. J. Mater. Environ. Sci. 2019, 10(3), 195-207.
  5. Triplet Diradical Cation Salts Consisting of Phenothiazine Radical Cation and Nitronyl Nitroxide, Tahara, T.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Sugisaki, K.; Sato, K.; Takui, T.; Mitake, Y.; Hosokoshi, Y.; Nojiri, H.; Okada, K. Chem. Eur. J. 2019, 25(29), 7201-7209. doi: 10.1002/chem.201900513
  6. DFT and TD-DFT studies on the electronic and optical properties of linear π-conjugated cyclopentadithiophene (CPDT) dimer for efficient blue OLED, Zaier, R.; Said, H.; Kozaki, M.; Ayachi, S. Opt. Mater. 2019, 91, 108–114, DOI: 10.1016/j.optmat.2019.03.013
  7. Synthesis and Properties of Nitrogen-Containing Pyrenes, Omura, Y.; Tachi, Y.;  Okada, K.; Kozaki M. J. Org. Chem. 2019, 84(4), 2032-2038, DOI: 10.1021/acs.joc.8b02962

2018 年

  1. Synthesis and Magnetic Properties of (Pyrrolidin-1-oxyl)–(NitronylNitroxide)/ (Iminonitroxide)-Dyads, Tsujimoto, H.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada K. Chem. Asian J. in press.
  2. Preparation and Properties of a Polycyclic p-Quinodimethane with Two Oxygen Bridges and its Radical Cation in Comparison with the Isomeric o-Quinodimethane, Sato, C.; Suzuki, S.; Okada, K.; Kozaki, M. Chem. Asian J. 2018, 13, 3729-3736. doi.org/10.1002/asia.201801269
  3. Ligand-binding Ability of a Porphyrin Center in Trimeric Assembly of Dendrimer, Akisada, M.; Kimura, R.; Tachi, Y.; Suzuki, S.; Okada, K.; Kozaki, M. J. Org. Chem. 2018, 83(17), 9631-9640. DOI: 10.1021/acs.joc.8b00932
  4. Chemical Stability of the 5-Mesityl-5''-(nitronylnitroxide)-2,2':5',2''-ter(3,4-ethylenedioxythiophene) Radical Cation, Tahara, T.; Suzuki, S.; Kozaki, M.; Nishinaga, T.; Okada, K. Bull. Chem. Soc. Jpn. 2018, 91(8), 1193-1195.
  5. Radical Metalloids with NHC-Carbene and Phenanthroline Ligands: Synthesis, Properties, and Cross-Coupling Reaction of [(Nitronyl Nitroxide)-2-ido]metal Complexes with Aryl Halides, Yamada, K.; Zhang, X.; Tanimoto, R.; Suzuki, S.; Kozaki, M.; Tanaka, R.; Okada, K. Bull. Chem. Soc. Jpn. 2018, 91, 11501157, DOI: 10.1246/bcsj.20180033
  6. Group 11 Metal Complexes Coordinated by (Nitronyl Nitroxide)-2-ide Radical Anions: Facile Oxidation of Stable Radicals Controlled by Metal–Carbon Bonds in Radical-Metalloids, Tanimoto, R.; Yamada, K.; Suzuki, S.; Kozaki, M.; Okada, K. Eur. J. Inorg. Chem. 2018, 1198–1203, DOI: 10.1002/ejic.201800038.
  7. Chemical Stimulus-responsive Folding and Unfolding of a Dendrimeric Assembly, Kimura, R.; Suzuki, S.; Okada, K.; Kozaki, M. Chem. Asian J. 2018, 13(1), 35–40. DOI: 10.1002/asia.201701487

2017 年

  1. Stereoelectronic control of oxidation potentials of 3,7-bis(diarylamino)-phenothiazines, Karimata, A.; Suzuki, S.; Kozaki, M.; Okada, K. RSC Advances 2017, 7, 56144–56152.
  2. デンドリマー型元素ブロック高分子の構築、小嵜正敏、化学工業, 2017, 68(11), 14-19.
  3. (Azulene-1,3-diyl)-bis(nitronyl nitroxide) and -bis(iminonitroxide) and Their Copper Complexes, Haraguchi, M.; Tretyakov, E.; Gritsan, N.; Romanenko, G.; Gorbunov, D.; Bogomyakov, A.; Maryunina, K.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Nishihara, S.; Inoue, K.; Okada, K. Chem. Asian J. 2017, 12, 2929–2941. DOI: 10.1002/asia.201701085
  4. Synthesis and Magnetic Properties of Trioxytriphenylamine Dimers in Di(radical cationic) States, Suzuki, S.; Tanaka, N.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Chem. Eur. J. 2017, 23, 16014–16025. DOI: 10.1002/chem.201703220.
  5. Trimeric Assembly of Dendritic Light-harvesting Antenna with Two Kinds of Porphyrin Cores, Kimura, R.; Suzuki, S.; Okada, K.; Kozaki, M. J. Org. Chem. 201782, 8917−8926.DOI 10.1021/acs.joc.7b01275.
  6. ニトロニルニトロキシドラジカルを基盤とした開殻π造形、鈴木修一・小嵜正敏・岡田 惠次、π-System Figuration on Open-shell Molecules Based on Nitronyl Nitroxide, Suzuki, S.; Kozaki, M.; Okada, K. 有機合成化学協会誌,2017, 第75巻9号,p63-72.
  7. An efficient synthetic method for organometallic radicals: structures and properties of gold(I)-(nitronyl nitroxide)-2-ide complexes, Suzuki, S.; Kira, S.; Kozaki, M.; Yamamura, M.; Hasegawa, T.; Nabeshima, T.; Okada, K. Dalton Trans. 2017, 46, 2653-2659, DOI: 10.1039/C6DT04685A. 
  8. Magnetical Control of the Charge-Separated State Lifetime Realized by Covalent Attachment of a Platinum Complex, Ikoma, T.; Miura, T.; Fujiwara, D.; Akiyama, K.; Horikoshi, T.; Suzuki, S.; Kozaki, M.; Okada, K. J. Phys. Chem. Lett. 20178(3), 661–665, DOI: 10.1021/acs.jpclett.6b02887.

2016 年

  1. Very Long-Lived Photoinduced Charge-Separated States of Triphenylamine–Naphthalenediimide Dyads in Polymer Matrices, Kimoto, K.; Satoh, T.; Iwamura, M.; Nozaki, K.; Horikoshi, T.; Suzuki, S.; Kozaki, M.; Okada, K. J. Phys. Chem. A  2016, 120, 8093–8103.
  2. A tight 1:1 complex between an allosteric receptor and an organic effector with hydrogen and coordination bonds, Sasaki, Y.; Suzuki, S.; Okada, K.; Kozaki, M. Tetrahedron Lett. 201657(36), 40824085.
  3. Cyclic Triradicals Composed of Iminonitroxide Gold(I) with Intramolecular Ferromagnetic Interactions, Suzuki, S.; Wada, T.; Tanimoto, R.; Kozaki, M.; Shiomi, D.; Sugisaki, K.; Sato, K.; Takui, T.; Miyake, Y.; Hosokoshi, Y.; Okada, K. Angew. Chem. Int. Ed. 2016, 55(36), 10791–10794.
  4. Intact Four-atom Organic Tetracation Stabilized by Charge Localization in the Gas Phase, Yatsuhashi, T.; Toyota, K.; Mitsubayashi, N.; Kozaki, M.; Okada, K.; Nakashima, N. ChemPhysChem 2016, 17, 2977–2981. DOI: 10.1002/cphc.201600555
  5. Anisotropic Coulomb Explosion of Acetylene and Diacetylene Derivatives, Mitsubayashi, N.; Yatsuhashi, T.; Tanaka, H.; Furukawa, S.; Kozaki, M.; Okada, K.; Nakashima, N. Int. J. Mass Spectrom. 2016, 403(1), 4352.
  6. 2,11-Dibromo-13,14-dimesityl-5,8-dioxapentaphene: A Stable and Twisted Polycyclic System Containing the o-Quinodimethane Skeleton, Sato, C.; Suzuki, S.; Kozaki, M.; Okada, K. Org. Lett. 2016, 18(5), 10521055.
  7. N,N'-Diphenylbenzothiazinophenothiazine Dication: Singlet Ground State Species, Yoshida, K.; Suzuki, S.; Kozaki, M.; Okada, K. Chem. Lett. 2016, 45, 203205. 
  8. Synthesis, Structure and Properties of Nitronyl Nitroxide Diradicals with Fused Thiophene Couplers, Tretyakov, E.; Okada, K.; Suzuki, S.; Baumgarten, M.; Romanenko, G.; Bogomyakov, A.; Ovcharenko, V. J. Phys. Org. Chem. 2016, 29, 725–734.

 

2015 年

  1. Structure of Linear Dendrimeric Assemblies, Nishioka, S.; Morita, S.; Okada, K.; Suzuki, S.; Koazaki, M. Org. Lett. 2015, 17, 27202723.
  2. Substitution Effects on Optical Properties of Iminonitroxide-substituted Iminonitroxide Diradical, Nakamura, R.; Shigeta, Y.; Okuno, K.; Hasegawa, M.; Fukushima, M.; Suzuki, S.; Kozaki, M.; Okada, K.; Nakano, M. Mol. Phys. 2015, 113, 267273. (DOI: 10.1080/00268976.2014.937777) 

 

2014 年 

  1. Direct Observation of Hole Shift and Characterization of Spin States in Radical Ion Pairs Generated from Photoinduced Electron Transfer of (Phenothiazine)n-Anthraquinone (n = 1, 3) Dyads, Karimata, A.; Suzuki, S.; Kozaki, M.; Kimoto, K.; Nozaki, K.; Matsushita, H.; Ikeda, N.; Akiyama, K.; Kosumi, D.; Hashimoto, H.; Okada, K. J. Phys. Chem. A, 2014, 118, 11262–11271. (DOI:10.1021/jp509643q)
  2. Allosteric Regulation of the Ligand-binding Ability of Zinc Porphyrins with Sterically Bulky Shielding Units by Metal Complexation, Ninomiya, Y.; Kozaki, M.; Suzuki, S.; Okada, K. Bull. Chem. Soc. Jpn. 2014, 87, 1195–1201. (DOI:10.1246/bcsj.20140197) Selected Paper
  3. Synthesis and Properties of a Bis[(Nitronyl Nitroxide)-2-ide Radical Anion]-Palladium Complex, Suzuki, S.; Yokoi, H.; Kozaki, M.; Kanzaki, Y.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Eur. J. Inorg. Chem. 2014, 4740–4744. (DOI:10.1002/ejic.201402564)
  4. Nitronyl Nitroxide as a Coupling Partner: Pd-Mediated Cross-Coupling of (Nitronyl Nitroxide-2-ide)gold(I)(triphenylphosphine) with Aryl Halides, Tanimoto, R.; Suzuki, S.; Kozaki, M.; Okada, K. Chem. Lett. 2014, 43, 678-680. (DOI: 10.1246/cl.131162)
  5. Synthesis and Magnetic Properties of Nitronyl Nitroxides with an Adjacent Chiral Group, Tanimoto, R.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Bull. Chem. Soc. Jpn. 2014, 87, 314-322. (DOI:10.1246/bcsj.20130264)
  6. Preparation and Magnetic Properties of Metal-Complexes from N-t-Butyl-N-oxidanyl-2-amino-(nitronyl nitroxide), Furui, T.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K.; Tretyakov, E. V.; Tolstikov, S. E.; Remanenko, G. V.; Ovcharenko, V. I. Inorg. Chem. 2014, 53, 802-809. (DOI: 10.1021/ic4020898) 

 

2013 年 

  1. Dendritic Light-harvesting Antennas with Excitation Energy Gradients, Kozaki, M.; Suzuki, S.; Okada, K. Chem. Lett. 2013, 42, 1112-1118. (DOI: 10.1246/cl.130654) Highlight Review
  2. Pulsed electron spin nutation spectroscopy for weakly exchange-coupled multi-spin molecular systems with nuclear hyperfine couplings: a general approach to bi- and triradicals and determination of their spin dipolar and exchange interactions, Ayabe, K.; Sato, K.; Nakazawa, S.; Nishida, S.; Sugisaki, K. Ise, T.; Morita, Y.; Toyota, K.; Shiomi, D.; Kitagawa, M.; Suzuki, S.; Okada, K.; Takui, T. Mol. Phys. 2013, 111, 2767-2787. (DOI:10.1080/00268976.2013.811304)
  3. Allosteric regulation of the ligand-binding ability of Zn–porphyrin by metal complexation, Kozaki, M.; Ninomiya, Y.; Suzuki, S.; Okada, K. Tetrahedron Lett. 2013, 54, 3658-3661. (DOI: 10.1016/j.tetlet.2013.04.130)
  4. Photoinduced Charge Separation of 10-Phenyl-10H-phenothiazine-2-Phenylanthraquinone Dyad Bridged by Bicyclo[2.2.2]octane, Karimata, A.; Kawauchi, H.; Suzuki, S.; Kozaki, M.; Ikeda, N.; Keyaki, K.; Nozaki, K.; Akiyama, K.; Okada, K. Chem. Lett. 2013, 42, 794-796. (DOI:10.1246/cl.130062)
  5. Photoinduced electron transfer of platinum(II) bipyridine diacetylides linked by triphenylamine- and naphthaleneimide-derivatives and their application to photoelectric conversion systems, Suzuki, S.; Matsumoto, Y.; Tsubamoto, M.; Sugimura, R.; Kozaki, M.; Kimoto, K.; Iwamura, M.; Nozaki, K.; Senju, N.; Uragami, C.; Hashimoto, H.; Muramatsu, Y.; Konno, A.; Okada, K. Phys. Chem. Chem. Phys. 2013, 15, 8088-8094. (DOI: 10.1039/c3cp50182e)
  6. Hexamethoxyphenalenyl as a Possible Quantum Spin Simulator: An Electronically Stabilized Neutral π Radical with Novel Quantum Coherence Owing to Extremely High Nuclear Spin Degeneracy, Ueda, A.; Suzuki, S.; Yoshida, K.; Fukui, K.; Sato, K.; Takui, T.; Nakasuji, K.; Morita, Y. Angew. Chem., Int. Ed. 2013, 52, 4795-4799. (DOI: 10.1002/anie.201301435)
  7. 鈴木修一 “安定高スピンπ電子系の創出と物性開拓”「高次π空間の創発と機能開発」赤阪 健, 大須賀篤弘, 福住俊一, 神取秀樹 編,シーエムシー出版, 2013, pp. 96–101.
  8. Photoinduced charge separation of phenothiazine–platinum–naphthalene diimide triads linked by twisted phenylene bridges, Sugimura, R.; Suzuki, S.; Kozaki, M.; Keyaki, K.; Nozaki, K.; Mastsushita, H.; Ikeda, N.; Okada, K. Res. Chem. Intermed. 2013, 39, 185-204. (DOI: 10.1007/s11164-012-0642-6)
  9. Syntheses and Structures of Tris(N-phenothiazinyl)borane and its Radical Cation, Suzuki, S.; Yoshida, K.; Kozaki, M.; Okada, K., Angew. Chem., Int. Ed. 2013, 52, 2499-2502. (DOI: 10.1002/anie.201208392)
  10. Reassociation of All-trans-3,4-Dihydroanhydrorhodovibrin with LH1 Subunits Isolated from Rhodospirillum rubrum: Selective Binding of All-trans Isomer from Mixture of cis- and trans-Isomers, Yamamoto, M.; Horibe, T.; Nishisaka, Y.; Suzuki, S.; Kozaki, M.; Fujii, R.; Doe, M.; Nango, M.; Okada, K.; Hashimoto, H. Bull. Chem. Soc. Jpn. 2013, 86, 121-128. (DOI: 10.1246/bcsj.20120230) 

 

2012 年 

  1. NCN Pincer-Pt Complexes Coordinated by (Nitronyl Nitroxide)-2-ide Radical Anion, Zhang; X.; Suzuki, S.; Kozaki, M.; Okada, K. J. Am. Chem. Soc. 2012, 134, 17866-17868. (DOI: 10.1021/ja308103g)
  2. Construction of Snowflake-Shaped Dendritic Covalent Assemblies with Rigid Conjugated Networks, Kozaki, M.; Morita, S.; Suzuki, S.; Okada, K. J. Org. Chem. 2012, 77, 9447–9457 (DOI: 10.1021/jo3014512) Featured Article 
  3. Chiral Stable Phenalenyl Radical: Synthesis, Electronic-Spin Structure, and Optical Properties of [4]Helicene-Structured Diazaphenalenyl, Akira, U.; Wasa, H.; Suzuki, S.; Okada, K.; Kazunobu, S.; Takui, T.; Morita, Y. Angew. Chem., Int. Ed. 2012, 51, 6691-6695. (DOI: 10.1002/anie.201202654)
  4. (Nitronyl Nitroxide)-Substituted Trioxytriphenylamine Radical Cation Tetrachlorogallate Salt: A 2p-Electron-Based Weak Ferromagnet Composed of a Triplet Diradical Cation, Kuratsu, M.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Kanazawa, T.; Hosokoshi, Y.; Lan, X.-Z.; Miyazaki, Y.; Inaba, A.; Okada, K. Chem. -Asian J. 2012, 7, 1607-1609. (DOI: 10.1002/asia.201200084)
  5. Trinitroxide-trioxytriphenylamine: Spin State Conversion from Triradical Doublet to Diradical Cation Triplet by Oxidative Modulation of a pi-Conjugated System, Suzuki, S.; Nagata, A.; Kuratsu, M.; Kozaki, M.; Tanaka, R.; Shiomi, D.; Sugisaki, K.; Toyota, K.; Sato, K.; Takui, T.; Okada, K. Angew. Chem., Int. Ed. 2012, 51, 3193-3197. (DOI: 10.1002/anie.201107265)
  6. Synthesis and properties of Zn-porphyrin with bipyridine-terminated side chains: large conformational change induced by metal complexation, Kato, M.; Hashimoto, E.; Kozaki, M.; Suzuki, S.; Okada, K. Tetrahedron Lett. 2012, 53, 309-312. (DOI: 10.1016/j.tetlet.2011.11.041)  

 

2011 年 

  1. Recent progress in controlling photophysical processes of donor–acceptor arrays involving perylene diimides and boron-dipyrromethenes, Suzuki, S.; Kozaki, M.; Nozaki, K.; Okada, K. J. Photochem. Photobiol. C 2011, 12, 269-292. (DOI:10.1016/j.jphotochemrev.2011.10.001) Review 
  2. 共役鎖内包型デンドリマーの合成と機能探索, 小嵜正敏, 岡田惠次, 有機合成化学協会誌, 2010, 69, 1145-1157.
  3. Efficient Light-Harvesting Antenna with Multi-Porphyrin Cascade, Uetomo, A.; Kozaki, M.; Suzuki, S.; Yamanaka, K.; Ito, O.; Okada, K. J. Am. Chem. Soc. 2011, 133, 13276-13279. (DOI: 10.1021/ja2050343)
  4. Heteroatom Functionalization of Phenalenyl: Synthesis, Structures, and Properties of Hexa-substituted Phenalenyliums, Ueda, A.; Yoshida, K.; Suzuki, S.; Fukui, K.; Nakasuji, K.; Morita, Y. J. Phys. Org. Chem. 2011, 24, 952-959. (DOI: 10.1002/poc.1916)
  5. Synthetic organic spin chemistry for structurally well-defined open-shell graphene fragments, Morita, Y.; Suzuki, S.; Sato, K.; Takui, T. Nature Chem. 2011, 3, 197-204. (DOI: 10.1038/nchem.985)
  6. Persistence of Iodines and Deformation of Molecular Structure in Highly Charged Diiodoacetylene: Anisotropic Carbon Ion Emission, Yatsuhashi, T.; Mitsubayashi, N.; Itsukashi, M.; Kozaki, M.; Okada, K.; Nakashima, N. ChemPhysChem 2011, 12, 122-126.
  7. Synthesis and Magnetic Properties of Dimethylmethylenebis(iminonitroxide) Diradical, Suzuki, S.; Itoh, N.; Furuichi, K.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Ohi, H.; Itoh, S.; Okada, K. Chem. Lett. 2011, 40, 22-24. 

 

2010 年 

  1. Photoinduced Charge Separation after Excited Energy Transfer in Snowflake-Shaped Zn–Porphyrin Dendrimer with Anthraquinone Terminals: Enhancement of the Electron-Transfer Rates by “Dendrimer Effect”, Kozaki, M.; Akita, K.; Okada, K.; Islam, D.-M. S.; Ito, O. Bull. Chem. Soc. Jpn. 2010, 83, 1223-1237.
  2. Nitroxide-Substituted Nitronyl Nitroxide and Iminonitroxide, Suzuki, S.; Furui, T.; Kuratsu, M.;Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. J. Am. Chem. Soc. 2010, 132, 15908-15910. (DOI: 10.1021/ja107769z)
  3. Hexaazaphenalene Derivatives: One-Pot Synthesis, Hydrogen-Bonded Chiral Helix, and Fluorescence Properties, Suzuki, S.; Fukui, K.; Fuyuhiro, A.; Sato, K.; Takui, T.; Nakasuji, K.; Morita, Y. Org. Lett. 2010, 12, 5036-5039. (DOI: 10.1021/ol102200v)
  4. Radical-Substituted Dihydrophenazine Radical Cation Salts: Molecular Packing Structure and Bulk Magnetic Property, Masuda, Y.; Takeda, H.; Kuratsu, M.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Pure Appl. Chem. 2010, 82, 1025-1032.
  5. Diaminotriazine-substituted nitronyl nitroxide: a novel building block for organic magnets having multiple hydrogen bonding substituents as structure-determining supramolecular synthons, Tanaka, H.; Shiomi, D.; Suzuki, S.; Kozaki, M.; Okada, K.; Sato, K.; Takui, T. CrystEngComm 2010, 12, 526-531.

 

2009 年 

  1. Preparation and magnetic properties of verdazyl-substituted dihydrophenazine radical cation tetrachloroferrate salts, Masuda, Y.; Kuratsu, M.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Polyhedron 2009, 28, 1950-1954.  
  2. Highly Efficient Photoproduction of Charge-Separated States in Donor-Acceptor-Linked Bis(acetylide) Platinum Complexes, Suzuki, S.; Sugimura, R.; Kozaki, M.; Keyaki, K.; Nozaki, K.; Ikeda, N.; Akiyama, K.; Okada, K. J. Am. Chem. Soc. 2009, 131, 10374-10375.  
  3. Pyrene-Dihydrophenazine Bis(Radical Cation) in a Singlet Ground State, Suzuki, S.; Takeda, T.; Kuratsu, M.; Kozaki, M.; Sato, K.; Shiomi, D.; Takui, T.; Okada, K. Org. Lett. 2009, 11, 2816-2818.  
  4. Ambipolar Organic Field-Effect Transistors from Cross-Conjugated Aromatic Quaterthiophenes; Comparisons with Quinoidal Parent Materials, Ortiz, R. P.; Facchetti, A.; Marks, T. J.; Casado, J.; Zgierski, M. Z.; Kozaki, M.; Hernandez, V.; Navarrete J. T. L. Adv. Func. Mater. 2009, 19, 386-394.
  5. デンドリマー集積による共役ネットワークの構築とその特性, 小嵜正敏, 「次世代共役ポリマーの超階層制御と革新機能」、第15章、赤木和夫監修、シーエムシー出版, 2009.
  6. A New Ferrimagnet Based on a Radical-Substituted Radical Cation Salt, Masuda, Y.; Kuratsu, M.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Soto, K.; Takui, T.; Hosokoshi, Y.; Lan, X.-Z.; Miyazaki, Y.; Inaba, A.; Okada, K. J. Am. Chem. Soc. 2009, 131, 4670-4673. 

 

2008 年 

  1. A Light-Harvesting Array Composed of Porphyrins and Rigid Backbones, Kozaki, M.; Uetomo, A.; Suzuki, S.; Okada, K. Org. Lett. 2008, 10, 4477-4480.
  2. Photoinduced Charge-Separation and Charge-Recombination Proceses of Fullerene[60] Dyads Covalently Connected with Phenothiazine and Its Trimer, Kawauchi, H.; Suzuki, S.; Kozaki, M.; Okada, K.; Islam, D.-M. S.; Araki, Y.; Ito, O.; Yamanaka, K. J. Phys. Chem. A 2008, 112, 5878-5884.
  3. Stepwise Construction of a Cross-shaped Covalent Assembly of Dendrimers, Kozaki, M.; Tsujimura, H.; Suzuki, S.; Okada, K. Tetrahedron Lett. 2008, 49, 2931-2934.  
  4. Photoinduced Electron Transfer of N-[(3- and 4-Diarylamino)phenyl]-1,8-Naphthalimide Dyads: Orbital-Orthogonal Approach in a Short-linked D-A System, Takahashi, S.; Nozaki, N.; Kozaki, M.; Suzuki, S.; Keyaki, K.; Ichimura, A.; Matsushita, T.; Okada, K. J. Phys. Chem. A 2008, 112, 2533-2542.
  5. Photoinduced Electron-Transfer and Electron-Mediating Processes of Fullerenes and Phenothiazine Oligomers in a Polar Solvent, Isram, D.-M. S.; Sasaki, Y.; Kawauchi, H.; Kozaki, M.; Araki, Y.; Ito, O.; and Okada, K. Bull. Chem. Soc. Jpn. 2008, 81, 103-109.  
  6. Photoinduced electron transfer reactions of highly twisted 1-donor-substituted 2,4,6-triphenylpyridinium cation, Namikawa, T.; Kuratsu, K.; Kozaki, M.; Matsushita, T.; Ichimura, A.; Okada, K.; Yoshimura, A.; Ikeda N.; Nozaki, K. J. Photochem. Photobio. A 2008, 194, 254-260.
  7. Thermochromism in an organic crystal based on the coexistence of sigma- and pi-dimer, Morita, Y.; Suzuki, S.; Fukui, K.; Nakazawa, S.; Kitagawa, H.; Kishida, H.; Okamoto, H.; Naito, A.; Sekine, A.; Ohashi, Y.; Shiro, M.; Sasaki, K.; Shiomi, D.; Sato, K.; Takui, T.; Nakasuji, K. Nature Mater. 2008, 7, 48-51. 日経新聞に掲載 

 

2007 年 

  1. Magnetic Interaction of Tri- and Dioxytriphenylamine Radical Cation FeCl4 Salt, Kuratsu, M.; Suzuki, S.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Inorg. Chem. 2007, 46, 10153-10157.
  2. Construction of a Rigid Zn Porphyrin-C60 Dyad within Dendritic Structure: Dendrimer Effect on Singlet Energy Transfer, Kozaki, M.; Akita, K.; Suzuki, S.; Okada, K. Org. Lett. 2007, 9, 3315-3318.
  3. Preparation, structure, and magnetic interaction of a Mn(hfac)2-bridged [2-(3-pyridyl)(nitronyl nitroxide)-Mn(hfac)2]2 chain complex, Okada, K.; Beppu, S.; Tanaka, K.; Kuratsu, M.; Furuichi, K.; Kozaki, M.; Suzuki, S.; Shiomi, D.; Sato, K.; Takui, T.; Kitagawa, Y.; Yamaguchi, K. Chem. Commun. 2007, 2485-2487.
  4. Enhanced Electron Transfer by Dendritic Architecture: Energy Transfer and Electron Transfer in Snowflake-Shaped Zn Porphyrin Dendrimers, Kozaki, M.; Akita, K.; Okada, K. Org. Lett. 2007, 9, 1509-1412.
  5. Preparation and magnetic properties of 4,6-bis(iminonitroxide)-substituted resorcinol and its Cu-complex, Tanaka, K.; Furuichi, K.; Kozaki, M.; Suzuki, S.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Polyhedron 2007, 26, 2021-2026. 

 

2006 年 

  1. Preparetion, Properties, and Reduction of a Novel TCNQ-type Thienoquinoid, Kozaki, M.; Sugimura, K.; Onishi, H.; Okada, K. Org. Lett. 2006, 8, 5235-5238.
  2. Detection of Diradical Intermediate in the Cis-trans Isomatization of 5,5'-Bis(4,5-diphenyl-2H-imidazol-2-ylidene)-5,5'-dihydro-D2,2'-bithiophene, Koazaki, M.; Isoyama, A.; Okada, K. Tetrahedron Lett. 2006, 47, 5375-5378.
  3. Aromaticity on the Pancake-Bonded Dimer of Neutral Phenalenyl Radical as Studied by MS and NMR Spectroscopies and NICS Analysis, Suzuki, S.; Morita, Y.; Fukui, K.; Sato, K.; Shiomi, D.; Takui, T.; Nakasuji, K. J. Am. Chem. Soc. 2006, 128, 2530-2531. 

 

2005 年 

  1. Preparation, properties, and reduction of heteroaromatic quinoids with 1,4-diazacyclo-pentadien-2-ylidene terminals, Kozaki, M.; Isoyama, A.; Akita, K.; Okada, K. Org. Lett. 2005, 7, 115-118.
  2. One-dimensional void-space arrays constructed from a coordination polymer with bowl-like frameworks of cavitands, Tadokoro, M.; Mizugaki, S.; Kozaki, M.; Okada, K. Chem. Commun. 2005, 1140-1142.
  3. 2,2':6',2'',:6'',6-Trioxytriphenylamine: Synthesis and Properties of the Radical Cation and Neutral Species, Kuratsu, M.; Kozaki, M.; Okada, K. Angew. Chem., Int. Ed. 2005, 44, 4056-4058. (Angew. Chem. 2005,117, 4124-4126.)
  4. Magnetic ordering in a genuine organic crystal with triangular antiferromagnetic spin units, Takeda, T.; Yoshida, Y.; Inanaga, Y.; Kawase, T.; Shiomi, D.; Ise, T.; Kozaki, M.; Okada, K.; Sato, K.; Takui, T. Phys. Rev. B 2005, 72, 024435.
  5. 1,4-Benzoxazino[2,3-b]phenoxazines and Its Sulfur Analogs: Synthesis, Properties, and Application to Organic Light-Emitting Diodes, Okamoto, T.; Kozaki, M.; Doe, M.; Uchida, M.; Wang, G.; Okada, K. Chem. Mater. 2005, 17, 5504-5511.
  6. Exchange Interaction of 5,5'-(m- and p-Phenylene)bis(10-phenyl-5,10-dihydrophenazine) Dication and Related Analogues, Terada, E.; Okamoto, T.; Sato, K.; Takui, T.; Okada, K. J. Org. Chem. 2005, 70, 10073-10081.  

 

2004 年 

  1. A Stable Radical-Substituted Radical Cation with Strongly Ferromagnetic Interaction: Nitronyl Nitroxide-Substituted 5,10-Diphenyl-5,10-dihydrophenazine Radical Cation, Hiraoka, S.; Okamoto, T.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. J. Am. Chem. Soc. 2004, 126, 58-59.
  2. Amphoteric Quinone-azine-cyclopentadithiophene System, Kozaki, M.; Igarashi, H.; Okada, K. Chem. Lett. 2004, 33, 156-157.
  3. Snowflake-Like Dendrimers via Site-Selective Synthesis of Dendrons, Kozaki, M.; Okada,K. Org. Lett. 2004, 6, 485-488.
  4. Synthesis, Structure, and Electron-Donating Ability of 2,2':6,2'-Dioxatriphenylamine and Its Sulfur Analogue, Kuratsu, M.; Kozaki, M.; Okada, K. Chem. Lett. 2004, 33, 1174-1175.
  5. Remarkabe Structure Deformation in Phenothiazine Trimer Radical cation, Okamoto, T.; Kuratsu, M.; Kozaki, M.; Hirose.K; Ichimura, A.; Matsushita, T.; Okada, K. Org. Lett. 2004, 6, 3493-3496.  

 

2003 年 

  1. Facile Synthesis of 5,10-Diaryl-5,10-dihydrophenazines and Application to EL-Devices, Okamoto, T.; Terada, E.; Kozaki, M.; Uchida, M.; Kitakawa, S.; Okada, K. Org. Lett. 2003, 5, 373-376.
  2. Preparation and Magnetic Properties of Mn(hfac)2-Complexes of 2-(5-Pyrimidinyl)-and 2(3-Pyridyl)-Substituted Nitronyl Nitroxides, Okada, K.; Nagao, O.; Mori, H.; Kozaki, M.;Shiomi, D.; Sato, K.; Takui, T.; Kitagawa, Y.; Yamaguchi, K. Inorg. Chem. 2003, 42, 3221-3228.
  3. Synthesis and Magnetic Properties of an Iminonitroxide-Substituted Phenolate-Cu Complex,Tanaka, K.; Kozaki, M.;Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Polyhedron 2003, 22, 1803-1808.
  4. Synthesis and Properties of Thiophene Oligomers Containing o-Qunoid Skelton, Ohnishi, H.; Kozaki, M.; Okada, K. Synth. Met. 2003, 135-136, 85-86.
  5. Preparation and magnetic interaction of a polymer pendent nitroxide with a bulky protecting group, Nagao, O; Kozaki, M; Miura, Y; Shiomi, D; Sato, K; Takui, T; Okada, K. Synth. Met. 2003, 135-136, 95-96.
  6. Novel cyclopentadithiophene dimers with small HOMO-LUMO gaps,Kozaki, M; Yonezawa, Y; Igarashi, H; Okada, K. Synth. Met. 2003, 135-136, 107-108. 

 

2002 年 

  1. Cyclopentadithiophene (CPDT) Dimer Dication: Bipolaron Model for Quaterthiophenes, Kozaki, M.; Yutaka, Y.; Okada, K. Org. Lett. 2002, 4, 4535-4538. 

 

2001 年 

  1. Synthesis and properties of benzoxazinophenoxazine and the related compounds, Okamoto, T.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Mizuno, Y.; Yoshino, H.; Murata, K.; Yamashita, Y.; Okada, K. Synth. Met. 2001, 120, 933-934.
  2. Synthesis and properties of a new-type nitroxide radicals with a bulky 2,4,6-triphenylphenyl substituent, Kanaya, S.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Synth. Met. 2001, 121, 1808-1809.
  3. Preparation and properties of oligomers containing cyclopentadithiophene, Yonezawa, Y.; Kozaki, M.; Okada, K. Synth. Met. 2001, 119, 99-100.
  4. Carbazole oligomers and the dimer-derived DPPH-type diradical, Kozaki, M.; Okada, K. Synth. Met. 2001, 119, 177-178.
  5. Magnetic Behavior of Copper(II) Complexes of a Nitronyl Nitroxide-Substituted Pyrimidine, Mori, H.; Nagao, O.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Polyhedron 2001, 20, 1663-1668.
  6. Magnetic Behavior of a Manganase(II) Complex of Nitroxide-Substituted 1,3-Di(4-pyridyl)benzene, Nagao, O.; Kozaki, M.; Shiomi, D.; Sato, K.; Takui, T.; Okada, K. Polyhedron 2001, 20, 1653-1658.
  7. Benzoxazinophenoxazines: Neutral and Charged Species, Okamoto, T.; Kozaki, M.; Yamashita, Y.; Okada, K. Tetrahedron Lett. 2001, 42, 7591-7594.
  8. Highly Symmetric High-Spin Oligonitrenes: Molecular Design for Super High-Spin Systems with Robust pi-Spin Polarization,Oda, N.; Nakai, T.; Sato, K.; Shiomi, D.; Kozaki, M.; Okada, K.; Takui, T. Synth. Met. 2001, 121, 1840-1841. 

X
X