*Full list is shown in this page.

[Original articles]

Y. Liu, T. Chaiprasert, A. Ouali, M. Unno, Well-defined cyclic silanol derivatives, Dalton Trans., in press (2022). https://doi.org/10.1039/D1DT04270J

Y. Liu, K. Koizumi, N. Takeda, M. Unno, A. Ouali, Synthesis of octachloro and octaazido-functionalized T₈ cages and applications to recyclable palladium catalyst, Inorg. Chem., in press (2022). https://doi.org/10.1021/acs.inorgchem.1c03209

Y. Liu, M. Katano, P. Yingsukkamol, N. Takeda, M. Unno, A. Ouali, Tricyclic 6-8-6 laddersiloxanes derived from all-cis-tetravinylcyclotetrasiloxanolate: Synthesis, characterization and reactivity, J. Organomet. Chem., in press (2022). https://doi.org/10.1016/j.jorganchem.2021.122213

Y. Egawa, C. Kobuna, N. Takeda, M. Unno, Synthesis of Janus cube containing Si–H moieties, Mendeleev Commun., 32, 35–36 (2022).

Y. Liu, M. Kigure, R. Okawa, N. Takeda, M. Unno, A. Ouali, Synthesis and characterization of tetrathiol-substituted double-decker or ladder silsesquioxane nano-cores, Dalton Trans., 50, 3473–3478 (2021). https://doi.org/10.1039/D1DT00042J

M. Laird, C. Totée, P. Gaveau, G. Silly,　A. Van der Lee, C. Carcel, M. Unno, J. R. Bartlett, M. Wong Chi Man, Functionalised polyhedral oligomeric silsesquioxane with encapsulated fluoride – first observation of fluxional Si⋯F interactions in POSS, Dalton Trans., 50, 81–89 (2021). IF=4.17 https://doi.org/10.1039/D0DT03057K

Q. Wang, M. Unno, H. Liu, Silsesquioxane-Based Triphenylamine-Linked Fluorescent Porous Polymer for Dyes Adsorption and Nitro-Aromatics Detection, Materials, 14, 3851 (2021). IF=3.26 https://doi.org/10.3390/ma14143851

Y. Liu, A, Endo, P. Zhang, A. Takizawa, N. Takeda, A. Ouali, M. Unno, Synthesis, Characterization, and Reaction of Divinyl-substituted Laddersiloxanes, Silicon, 2021, in press. IF = 2.67 https://doi.org/10.1007/s12633-021-01068-6

T. Chaiprasert, Y. Liu, N. Takeda, M. Unno, Vinyl-Functionalized Janus Ring Siloxane: Potential Precursors to Hybrid Functional Materials. Materials,14, 2014 (2021). IF=3.26 https://doi.org/10.3390/ma14082014

J. Guan, Z. Sun, R. Ansari, Y. Liu, A. Endo, M. Unno, A. Ouali, S. Mahbub, J. C. Furgal, N. Yodsin, S. Jungsuttiwong, D. Hashemi, J. Kieffer, and R. M. Laine, Conjugated Copolymers That Shouldn’t Be, Angew. Chem. Int. Ed. 60, 11115–11119 (2021). IF=12.96 https://doi.org/10.1002/anie.202014932

M. Laird, P. Gaveau, P. Trens, C. Carcel, M. Unno, J. R. Bartlett, M. Wong Chi Man, Post-synthesis modification of functionalised polyhedral oligomeric silsesquioxanes with encapsulated fluoride – enhancing reactivity of T₈-F POSS for materials synthesis, New J. Chem., 45,　4227–4235 (2021). IF = 3.29 https://doi.org/10.1039/d0nj06008a

T. Chaiprasert, Y. Liu, P. Intaraprecha, R. Kunthom, N. Takeda, M. Unno, Synthesis of tricyclic laddersiloxane with various ring sizes (Bat siloxane), Macromol. Rapid Commun., 42, 2000608 (2021). IF = 4.89  https://doi.org/10.1002/marc.202000608

M. Laird, N. Herrmann, N. Ramsahye, C. Totée, C. Carcel, M. Unno, J. Bartlett, M. Wong Chi Man, Large polyhedral oligomeric silsesquioxane cages – the isolation of functionalized POSS with an unprecedented Si₁₈O₂₇ core, Angew. Chem. Int. Ed., 60, 3022–3027 (2021). IF=12.96 https://doi.org/10.1002/anie.202010458

M. Laird, J. Yokoyama, C. Carcel, M. Unno, J. R. Bartlett, M. Wong Chi Man, Sol–gel processing of polyhedral oligomeric silsesquioxanes: nanohybrid materials incorporating T8 and T10 cages, J. Sol-Gel Sci. Tech., 95, 760–770 (2020). IF = 2.33  https://doi.org/10.1007/s10971-020-05314-y

T. Chaiprasert, Y. Liu, N. Takeda, M. Unno, Janus ring siloxane: a versatile precursor of the extended Janus ring and tricyclic laddersiloxanes, Dalton Trans., 49, 13533–13537 (2020). IF = 4.17 https://doi.org/10.1039/D0DT03045G

Y. Liu, M. Kigure, K. Koizumi, N. Takeda, M. Unno, A. Ouali, Synthesis of Tetrachloro, Tetraiodo, and Tetraazido Double-Decker Siloxanes, Inorg. Chem., 59, 15478–15486 (2020). If = 4.83 https://doi.org/10.1021/acs.inorgchem.0c02515

M. Laird, A. van der Lee, D. Dumitrescu, C. Carcel, A. Ouali, J. Bartlett, M. Unno, M. Wong Chi Man, Styryl Functionalized Cage Silsesquioxanes as Nano Blocks for 3-D Assembly, Organometallics, 39, 1896–1906 (2020). IF = 3.80  https://dx.doi.org/10.1021/acs.organomet.0c00119

Y. Du, M. Unno, H. Liu, Hybrid Nanoporous Materials Derived from Ladder- and Cage-Type Silsesquioxanes for Water Treatment, ACS Appl. Nano Mater., 3, 1535–1541 (2020). IF = 3.94 https://doi.org/10.1021/acsanm.9b02325

Y. Liu, K. Onodera, N. Takeda, A. Ouali, and M. Unno, Synthesis and Characterization of Functionalizable Silsesquioxanes with Ladder-type Structures, Organometallics, 38, 4173–4176 (2019).  IF = 3.80  https://doi.org/10.1021/acs.organomet.9b00597

N. Prigyai, S. Chanmungkalakul, V. Ervithayasuporn, N. Yodsin, S. Jungsuttiwong, N. Takeda, M. Unno, J. Boonmak, S. Kiatkamjornwong, Lithium-Templated Formation of Polyhedral Oligomeric Silsesquioxanes (POSS), Inorg. Chem. 58, 15110–15117 (2019). If = 4.83 https://doi.org/10.1021/acs.inorgchem.9b01836

R. Kunthom, T. Adachi, Y. Liu, N. Takeda, M. Unno, and R. Tanaka, Synthesis of a "Butterfly Cage" Based on a Double-Decker Silsesquioxane, Chem. Asian J., 14, 4179–4182 (2019). IF = 4.06 https://doi.org/10.1002/asia.201901361

R. Kunthom, N. Takeda, M. Unno, Synthesis and Characterization of Unsymmetrical Double-decker Siloxane (Basket Cage), Molecules, 24, 4252 (2019). IF = 3.31  https://doi.org/10.3390/molecules24234252

Y. Liu, N. Takeda, A. Ouali, M. Unno, Synthesis, Characterization, and Functionalization of Tetrafunctional Double-Decker Siloxanes, Inorg. Chem., 58, 4093–4098 (2019). If = 4.83 https://doi.org/10.1021/acs.inorgchem.9b00416

T. Tanaka, Y. Hasegawa, T. Kawamori, R. Kunthom, N. Takeda, M. Unno, Synthesis of Double-Decker Silsesquioxanes from Substituted Difluorosilane, Organometallics, 38, 743-747 (2019). IF = 3.80 https://doi.org/10.1021/acs.organomet.8b00896

S. Kondo, Y. Nakadai, M. Unno, Recognition of dicarboxylates in aqueous acetonitrile by a dinuclear zinc(II) complex of 2,2'-binaphthalene-based receptor, Supramolecular Chem., 31, 9–18 (2019). IF = 1.35 https://doi.org/10.1080/10610278.2018.1522445

T. Uchida, Y. Egawa, T. Adachi, N. Oguri, M. Kobayashi, T. Kudo, N. Takeda, M. Unno, R. Tanaka, Synthesis, Structures, and Thermal Properties of Symmetric and Janus “Lantern Cage” Siloxanes, Chem. Eur. J., 25, 1683 –1686 (2019). IF = 4.86  https://doi.org/10.1002/chem.201805200

H. Endo, N. Takeda, and M. Unno, Single-step synthesis of disiloxanetetraols, J. Sol-Gel Sci. Technol., 89, 37–44 (2019).  IF = 2.33  https://doi.org/10.1007/s10971-018-4635-9

C. Weetman, N. Ito, M.  Unno, F. Hanusch, S. Inoue, NHI- and NHC-Supported Al(III) Hydrides for Amine–Borane Dehydrocoupling Catalysis, Inorganics, 7, 92 (2019).                            https://doi.org/10.3390/inorganics7080092

Y. Egawa, C. Fukumoto, K. Mikami, N. Takeda, M. Unno, Synthesis and Characterizations of
The Germathioacid chloride Coordinated by an N-Heterocyclic carbene, Inorganics, 6, 76 (2018). IF = 2.15  https://doi.org/10.3390/inorganics6030076

H. Endo, N. Takeda, and M. Unno, Stereoisomerization of Cyclic Silanols, Chem. Asian J., 12, 1224–1233 (2017). IF = 4.06  https://doi.org/10.1002/asia.201700125

N. Oguri, Y. Egawa, Y. Kawakami, C. Kobuna, N. Takeda, and M. Unno, Unusual Reactions of Cyclic Fluorosiloxanes, ChemistrySelect, 2, 2300–2304 (2017). IF = 2.00  https://doi.org/10.1002/slct.201700306

Y. Egawa, S. Murakami, N. Takeda, and M. Unno, Synthesis of Hydrosilyl-substituted Cyclic Siloxane: New Building Block for Materials, Chem. Lett., 45, 738–739 (2016). IF = 1.36 https://doi.org/10.1246/cl.160272

N. Oguri, Y. Egawa, N. Takeda, and M. Unno, Janus-Cube Octasilsesquioxane: Facile Synthesis and Structure Elucidation, Angew. Chem. Int. Ed. 55, 9336-9339 (2016). IF=12.96 https://doi.org/10.1002/anie.201602413

N. Takeda, Y. Tanaka, R. Oma, F. Sakakibara, M. Unno, Activation of C–S Bond by Group 10 Metal Complexes: Reaction of Phosphine Ligand Tethered with Three tert-Butylthiophenyl Groups with Group 10 Metal Compounds, Bull. Chem. Soc. Jpn., 89, 922-930 (2016). IF = 4.49 https://doi.org/10.1246/bcsj.20160089

S. Murakami, Y. Egawa, C. Kuramochi, N. Takeda, and M. Unno, Cyclic Silanols with Long Alkyl Chains, Chem. Lett., 45, 309–311 (2016). https://doi.org/10.1246/cl.151143

K. Kakiage, T. Abe, M. Yamamura, T. Kyomen, M. Unno, and M. Hanaya, Effect of the introduction of a CF₃ group to a silyl-anchor azobenzene dye on sensitization property in dye-sensitized solar cells, Key Eng. Mater., 698, 27–31 (2016). https://doi.org/10.4028/www.scientific.net/KEM.698.27

N. Oguri, N. Takeda, and M. Unno, Facile Synthesis of Cyclic Fluorosiloxanes, Chem. Lett., 44, 1506–1508 (2015). https://doi.org/10.1246/cl.150692

H. Endo, and N. Takeda, M. Takanashi, T. Imai, and M. Unno, Refractive Indices of Silsesquioxanes with Various Structures, Silicon, 7, 127–32 (2015). https://doi.org/10.1007/s12633-014-9239-6

M. Unno, H. Endo, and N. Takeda, Synthesis and Structures of Extended Cyclic Siloxanes, Heteroatom Chem. 25, 525–532 (2014). https://doi.org/10.1002/hc.21198

N. Takeda, T. Tagawa, and M. Unno, Synthesis, Reactivities, and Coordination Chemistry of Tris(2-​isopropoxyphenyl)​phosphine, Heteroatom Chem. 25, 628–635 (2014). https://doi.org/10.1002/hc.21174

K. Kakiage, Y. Aoyama, T. Yano, T. Otsuka, T. Kyomen, M. Unno, and M. Hanaya, An achievement of over 12 percent efficiency in an organic dye-​sensitized solar cell, Chem. Commun., 50, 6379–6381 (2014). https://doi.org/10.1039/c4cc02192d

H. Endo, N. Takeda, and M. Unno, Synthesis and Properties of Phenylsilsesquioxanes with Ladder and Double-​Decker Structures, Organometallics, 33, 4148-4151 (2014). https://doi.org/10.1021/om500010y

R. Yanagisawa, H. Endo, M. Unno, H. Morimoto, S. Tobishima, Effects of organic silicon compounds as additives on charge-​discharge cycling efficiencies of lithium in nonaqueous electrolytes for rechargeable lithium cells, J. Power Sources, 266, 232–240 (2014). https://doi.org/10.1016/j.jpowsour.2014.05.017

S. Kondo, Y. Nakadai, and M. Unno, Pyrophosphate selective recognition by a Zn²⁺ complex of a 2,20-binaphthalene derivative bearing di(2-pyridylmethyl)aminomethyl groups in aqueous solution, RSC Adv., 4, 27140–27145 (2014). https://doi.org/10.1039/c4ra01941e

K. Kakiage, Y. Aoyama, M. Yamamura, T. Yano, M. Unno, T. Kyomen, and M. Hanaya, A Novel Alkoxysilyl Azobenzene Dye Photosensitizer with Alkylamino Group for Dye-Sensitized Solar Cells, Silicon, 6, 123–127 (2014). https://doi.org/10.1007/s12633-013-9174-y

M. Yamamura, S. Kondo, and M. Unno, Ion Pair Recognition of Ditopic Receptor Bearing Silanol Groups as Anion Recognition Sites and a 2,2'-Bipyridine Moiety as a Metal-coordination Site, Tetrahedron Lett., 55, 646–649 (2014). https://doi.org/10.1016/j.tetlet.2013.11.096

S. Kondo, N. Watanabe, F. Takahashi, N. Takeda, and M. Unno, Synthesis and photophysical properties of 2,2’-binaphthalene-based receptor bearing trimethylsilyl groups to improve the solubility, 
J. Incl. Phenom. Macrocycl. Chem., 75, 31-38 (2013). https://doi.org/10.1007/s10847-012-0142-8

H. Endo and M. Unno, Effective Synthesis and Isomerization of Cyclotetrasiloxanetetraol, Key Eng. Mater., 534, 66–70 (2013). https://doi.org/10.4028/www.scientific.net/KEM.534.66

K. Kakiage, C. Saito, M. Yamamura, T. Kyomen, M. Unno, and M. Hanaya, Study of the Chemical Adsorption Property of Allylsilylazobenzene in the Surface Modification of Nano-Porous Alumina Membrane, Key Eng. Mater., 534, 46–52 (2013). https://doi.org/10.4028/www.scientific.net/KEM.534.46

M. Unno, T. Matsumoto, H. Matsumoto, Nonacyclic Ladder Silsesquioxanes and Spectral Features of Ladder Polysilsesquioxanes, Int. J. Polym. Sci., 723892 (2012). https://doi.org/10.1155/2012/723892

K. Kakiage, M. Yamamura, T. Kyomen, M. Unno, and M. Hanaya, Adsorption and Sensitizing Properties of Azobenzenes Having Different Numbers of Silyl-anchor Groups in Dye-sensitized Solar Cells, Key Eng. Mater., 497, 61–66 (2012). https://doi.org/10.4028/www.scientific.net/KEM.497.61

K. Kakiage, T. Tsukahara, T. Kyomen, M. Unno, and M. Hanaya, Significant Improvement of Photovoltaic Performance of Dye-sensitized Solar Cells by Using 4-Trimethylsilylpyridine as Organic Additive to Electrolyte Solution, Chem. Lett., 41, 895-896 (2012). https://doi.org/10.1246/cl.2012.895

(Selected Paper) S. Kondo, S. Nakajima, and M. Unno, Ratiometric Fluorescence Detection of Anions by an Amide-Based Receptor Bearing Pyrenyl Groups, Bull. Chem. Soc. Jpn., 85, 698-700 (2012). https://doi.org/10.1246/bcsj.20120054

S. Kondo, H. Sonoda, T. Katsu, and M. Unno, Improvement of solubility of 2,2′-binaphthalene derivatives bearing urea groups as anion receptors and their application to a chloride selective electrode, Sensors and Actuators B, 160, 684–690 (2011). https://doi.org/10.1016/j.snb.2011.08.048

V. Ervithayasuporn, T. Tomeechai, N. Takeda, M. Unno, A. Chaiyanurakkul, R. Hamkool, and T. Osotchan, Synthesis and Characterization of Octakis(3-propyl ethanethioate)octasilsesquioxane, Organometallics, 30, 4475–4478 (2011). https://doi.org/10.1021/om200477a

M. Unno, N. Yamashita, and H. Matsumoto, Thermal Reaction of Octasilacubane with Sulfur, Selenium, and Tellurium: Formation of Novel Cage Systems, Phosphorus, Sulfur, Silicon Relat. Elem., 186, 1259–1262 (2011). https://doi.org/10.1080/10426507.2010.525769

Y. Egawa and M. Unno, Solvent-free Synthesis of Functional Siloxanes Bearing 4-Trifluoromethylphenyl Group, Key Eng. Mater., 497, 51–54 (2011). https://doi.org/10.4028/www.scientific.net/KEM.497.51

K. Kakiage, M. Yamamura, E. Ido, T. Kyomen, M. Unno, and M. Hanaya, Reactivity of Alkoxysilyl Compounds: Chemical Surface Modification of Nano-porous Alumina Membrane Using Alkoxysilylazobenzenes, Appl. Organomet. Chem., 25, 98–104 (2011). https://doi.org/0.1002/aoc.1722

S. Kondo, T. Takahashi, Y. Takiguchi, and M. Unno, Synthesis and photophysical properties of a 2,2’-bianthracene-based receptor bearing two aza-15-crown-5 ethers for naked-eye detection of barium ion, Tetrahedron Lett., 52, 453–457 (2011). https://doi.org/10.1016/j.tetlet.2010.11.091

S. Kondo, M. Nagamine, S. Karasawa, M. Ishihara, M. Unno, and Y. Yano, Anion recognition by 2,2’-binaphthalene derivatives bearing urea and thiourea groups at 8- and 8’-positions by UV-vis and fluorescence spectroscopies, Tetrahedron, 67, 943-950 (2011). https://doi.org/10.1016/j.tet.2010.12.004

N. Takeda, T. Nakamura, A. Imamura, and M. Unno, Synthesis and reactivities of dihydrosilanes tethered with two thioether moieties, Heteroatom Chem. 22, 438–445 (2011). https://doi.org/10.1002/hc.20706

M. Unno, R. Tanaka, D. Obinata, M. Endo, T. Sakurai, S. Ojima, T. Katayama, K. Fugami, Solvent-​free synthesis of siloxanes and their usage as potential cross-​coupling reagents, Key Eng. Mater., 459, 43–47 (2011). https://doi.org/10.4028/www.scientific.net/KEM.459.43

R. Tanaka, S. Kowase, and M. Unno, Chiral Cyclotrisiloxanes, Dalton Trans., 39, 9235–9237 (2010). https://doi.org/10.1039/C0DT00135J

N. Takeda, D. Watanabe, T. Nakamura, and M. Unno, Synthesis and Complexation of New Tripodal Tetradentate Ligand, Silyl Ligand Tethered with Three Thioether Moieties, Organometallics, 29, 2839-2841 (2010). https://doi.org/10.1021/om100255p

S. Kondo, Y. Kobayashi, and M. Unno, Anion Recognition by D-Ribose-based Receptors, Tetrahedron Lett., 51, 2512–2514 (2010). https://doi.org/10.1016/j.tetlet.2010.03.001

M. Unno, R. Tanaka, D. Obinata, M. Endo, T. Sakurai, S. Ojima, T. Katayama, and K. Fugami, Solvent-free Synthesis of Siloxanes and Their Usage as Potential Cross-Coupling Reagents, Key. Eng. Mater., 459, 43–47 (2010). https://doi.org/10.4028/www.scientific.net/KEM.459.43

N. Takeda, Y. Tanaka, F. Sakakibara, and M. Unno, Synthesis and Structure of Group 10 Metal Complexes with New Tripodal Tetradentate Ligand Bearing One Phosphine and Three Thioether Moieties, Bull. Chem. Soc. Jpn., 83, 157–164 (2010). https://doi.org/10.1246/bcsj.20090187

K. Kakiage, M. Yamamura, E. Fujimura, T. Kyomen, M. Unno and M. Hanaya, High Performance of Si–O–Ti Bonds for Anchoring Sensitizing Dyes on TiO₂ Electrodes in Dye-sensitized Solar Cells Evidenced by Using Alkoxysilylazobenzenes, Chem. Lett., 39, 260–262 (2010). https://doi.org/10.1246/cl.2010.260

K. Kakiage, T. Kyomen, M. Unno, and M. Hanaya, Molecular-selective Adsorption Property of Chemically Surface Modified Nanoporous Alumina Membrane by Di(1-naphthyl)silanediol to Anthracenes, Appl. Organomet. Chem., 24, 198–200 (2010). https://doi.org/10.1002/aoc.1586

S. Chang, T. Matsumoto, H. Matsumoto, and M. Unno, Synthesis and Characterization of Heptacyclic Laddersiloxanes and Ladder Polysilsesquioxane, Appl. Organomet. Chem., 24, 241–246 (2010). https://doi.org/10.1002/aoc.1607

M. Unno, K. Kakiage, M. Yamamura, T. Kogure, T. Kyomen, and M. Hanaya, Silanol Dyes for Solar Cells: Higher Efficiency and Significant Durability, Appl. Organomet. Chem., 24, 247–250 (2010). https://doi.org/10.1002/aoc.1612

K. Kakiage, T. Kyomen, M. Unno, and M. Hanaya, The Chemical Adsorption Properties of Silanol to Metal-Oxide Surface Studied by Using Di(1-naphthyl)silanediol and Nano-porous Alumina Membranes, Silicon, 1, 191–197 (2009). https://doi.org/10.1007/s12633-009-9027-x

S. Kondo, N. Okada, R. Tanaka, M. Yamamura, and M. Unno, Anion recognition by 1,3-disiloxane-1,1,3,3-tetraols in organic solvents, Tetrahedron Lett., 50, 2754–2757 (2009). https://doi.org/10.1016/j.tetlet.2009.03.134

H. Liu, S. Kondo, N. Takeda, and M. Unno, An Efficient Approach to Monophenyl-Functionalized Octasilsesquioxanes, Eur. J. Inorg. Chem., 5, 1317-1319 (2009). https://doi.org/10.1002/ejic.200900012

H. Liu, S. Kondo, N. Takeda, and M. Unno, Synthesis of Octacarboxy Spherosilicate, J. Am. Chem. Soc., 130, 10074–10075 (2008). https://doi.org/10.1021/ja803513n

K. Kakiage, Y. Nakada, T. Kogure, M. Yamamura, T. Kyomen, M. Unno, and M. Hanaya, Applicability of Silanol to Sensitizing Dye for Dye-sensitized Solar Cell, Silicon Chem., 3, 303–305 (2008). https://doi.org/10.1007/s11201-008-9032-8

H. Liu, S. Kondo, R. Tanaka, H. Oku, and M. Unno, A spectroscopic investigation of incompletely condensed polyhedral oligomeric silsesquioxanes (POSS-mono-ol, POSS-diol and POSS-triol): Hydrogen-bonded interaction and host–guest complex, J. Organomet. Chem., 693 1301–1308 (2008). https://doi.org/10.1016/j.jorganchem.2008.01.027

金澤貴之，味澤俊介， 海野雅史，上田浩，"遠隔通信技術を活用した聴覚障害学生支援―キャンパス間連携入力方式の導入事例から―"，メディア教育研究 (Journal of Multimedia Aided Education Research), 5, 55-61 (2008). http://www.code.ouj.ac.jp/media/pdf5-2-10/No.10-07tokusyuu06.pdf

S. Kondo, A. Fukuda, T. Yamamura, R. Tanaka, and M. Unno, Anion Recognition by a Disiloxane-1,3-diol in Organic Solvents, Tetrahedron. Lett., 48, 7946–7949 (2007). https://doi.org/10.1016/j.tetlet.2007.09.067

S. Kondo, T. Hayashi, Y. Sakuno, Y. Takezawa, T. Yokoyama, M. Unno, and Y. Yano, Synthesis of cyclic bis- and Trismelamine Derivatives and Their Complexation properties with Barbiturates, Org. Biomol. Chem., 5, 907–916 (2007). https://doi.org/10.1039/B615537E

M. Endo, T. Sakurai, S. Ojima, T. Katayama, M. Unno, H. Matsumoto, S. Kowase, H. Sano, M. Kosugi, and K. Fugami, Novel Pd-Catalyzed Atom-Efficient Cross-Coupling Reaction by Means of Hexaarylcyclotrisiloxane, SynLett, 5, 749-752 (2007). https://doi.org/10.1055/s-2007-970773

M. Unno, T. Matsumoto, and H. Matsumoto, Synthesis of Laddersiloxanes by Novel Stereocontrolled Approach, J. Organomet. Chem., 692, 307–312 (2007). https://doi.org/10.1016/j.jorganchem.2006.08.068

S. Kondo, T. Harada, R. Tanaka, and M. Unno, Anion Recognition by a Silanediol-Based Receptor, Org. Lett., 8, 4621–4624 (2006). https://doi.org/10.1021/ol061822p

M. Unno, H. Murakami, S. Kagawa and H. Matsumoto, Borderline of Hydrogen Bonding by Silanols, Silicon Chem., 3, 195–198 (2005). https://doi.org/10.1007/s11201-006-9021-8

M. Hirotsu, S. Taruno, T. Yoshimura, K. Ueno, M. Unno, and H. Matsumoto, Synthesis and Structures of the First Titanium(IV) Complexes with Cyclic Tetrasiloxide Ligands: Incomplete and Complete Cage Titanosiloxanes, Chem. Lett., 34, 1542–1543 (2005). https://doi.org/10.1246/cl.2005.1542

M. Unno, S. Chang, and H. Matsumoto, cis-trans-cis-Tetrabromotetramethylcyclotetrasiloxane: a Versatile Precursor of Ladder Silsesquioxanes, Bull. Chem. Soc. Jpn., 78, 1105–1109 (2005). https://doi.org/10.1246/bcsj.78.1105

M. Unno, R. Tanaka, S. Tanaka, T. Takeuchi, S. Kyushin, and H. Matsumoto, Oligocyclic Laddersiloxanes: Alternative Synthesis by Oxidation, Organometallics, 24, 765–768 (2005). https://doi.org/10.1021/om049324c

M. Unno, Y. Kawaguchi, Y. Kishimoto, and H. Matsumoto, Stereoisomers of 1,3,5,7-Tetrahydroxy-1,3,5,7-tetaisopropylcyclotetrasiloxane: Synthesis and Structures in the Crystal, J. Am. Chem. Soc., 127, 2256–2263 (2005). https://doi.org/10.1021/ja043894m

T. Okutsu, K. Isomura, N. Kakinuma, H. Horiuchi, M. Unno, H. Matsumoto, and H. Hiratsuka, Laser-induced morphology control and liquid phase epitaxy of dipara-anthracene produced from photochemical reaction of anthracene, Cryst. Growth Des., 5, 461–465 (2005). https://doi.org/10.1021/cg049816s

M. Unno, Y. Kishimoto, and H. Matsumoto, Triisopropylcyclotrisiloxanetriol: An Unprecedented Cyclic Siloxanetriol with Relatively Small Substituents, Organometallics, 23, 6221–6224 (2004). https://doi.org/10.1021/om0494972

K. Negishi, M. Unno, and H. Matsumoto, The Cyclo[(disilanylene)(butadiyne)]s [(i-Pr)₂Si(i-Pr)₂SiC三CC三C]_n (n = 2–4), Chem. Lett., 33, 430–431 (2004). https://doi.org/10.1246/cl.2004.430

M. Unno, Y. Imai, and H. Matsumoto, Hexakis(2,4,6-triisopropylphenylsilsesquioxane), Silicon Chem., 2, 175–178 (2003). https://doi.org/10.1023/B:SILC.0000046726.90699.41

M. Unno, T. Tanaka, and H. Matsumoto, Tip-substituted Cage and Cyclic Silanols, J. Organomet. Chem., 686, 175–182 (2003). https://doi.org/10.1016/S0022-328X(03)00541-2

M. Unno, T. Matsumoto, K. Mochizuki, K. Higuchi, M. Goto, and H. Matsumoto, Structure and Oxidation of Octakis(tert-butyldimethylsilyl)octasilacubane, J. Organomet. Chem., 685, 156–161 (2003). https://doi.org/10.1016/S0022-328X(03)00288-2

M. Unno, H. Masuda, and H. Matsumoto, Photo-initiated Bromination of Octakis(1,1,2-trimethylpropyl)octasilacubane with Tetrabromomethane, Silicon Chem., 1, 377–381 (2002). https://doi.org/10.1023/B:SILC.0000025578.17683.2a

K. Yamada, M. Unno, K. Kobayashi, H. Oku, H. Yamamura, S. Araki, H. Matsumoto, R. Katakai, and M. Kawai, Stereochemistry of Protected Ornithine Side Chains of Gramicidin S Derivatives: X-ray Crystal Structure of the Bis-Boc-tetra-N-methyl Derivatives of Gramicidin S, J. Am. Chem. Soc., 124, 12684–12688 (2002). https://doi.org/10.1021/ja020307t

R. Tanaka, S. Kyushin, M. Unno, and H. Matsumoto, Chiral crystallization of anti-dodecaisopropyltricyclo[4.2.0.0^2,5]octasilane, Enantiomer, 7, 157–159 (2002). https://doi.org/10.1080/10242430212882

M. Unno, A. Suto, and H. Matsumoto, Pentacyclic Laddersiloxane, J. Am. Chem. Soc., 124, 1574–1575 (2002). https://doi.org/10.1021/ja0173876

M. Unno, Y. Kawai, and H. Matsumoto, Synthesis and Crystal Structures of 2,4,6-Tri-tert-butylphenyltrichlorogermane and 2,4,6-Tri-tert-butylphenylgermane, Heteroatom Chem., 12, 238–243 (2001). https://doi.org/10.1002/hc.1038

M. Unno, T. Saito, and H. Matsumoto, Synthesis and Crystal Structures of Silapericyclynes, Bull. Chem. Soc. Jpn., 74, 2407–2413 (2001). https://doi.org/10.1246/bcsj.74.2407

M. Unno, K. Negishi, and H. Matsumoto, Extended Silapericyclynes, Chem. Lett., 30, 340–341 (2001). https://doi.org/10.1246/cl.2001.340

M. Unno, K. Higuchi, K. Furuya, H. Shioyama, S. Kyushin, M. Goto, and H. Matsumoto, Synthesis, Structure, and Reactions of Octakis(1,1,2-trimethylpropyl)octagermacubane, Bull. Chem. Soc. Jpn., 73, 2093–2097 (2000). https://doi.org/10.1246/bcsj.73.2093

S. Kyushin, A. Meguro, M. Unno, and H. Matsumoto, Photolysis of anti-Dodecaalkyltricyclo[4.2.0.0^2,5]octasilane: Generation and Reactions of Cyclotetrasilene, Chem. Lett., 29, 494–495 (2000). https://doi.org/10.1246/cl.2000.494

H. Horiuchi, Y. Nakano, T. Matsumoto, M. Unno, H. Matsumoto, and H. Hiratsuka, Electronic Structure and Photochemical Reaction Intermediates of Octakis(1,1,2-trimethylpropyl)octasilacubane, Chem. Phys. Lett., 322, 33–40 (2000). https://doi.org/10.1016/S0009-2614(00)00357-2

M. Unno, K. Takada, and H. Matsumoto, Formation of Supramolecule by Assembling of Two Different Silanols, Chem. Lett., 29, 242–243 (2000). https://doi.org/10.1246/cl.2000.242

M. Unno, A. Suto, K. Takada, and H. Matsumoto, Synthesis of Ladder and Cage Silsesquioxanes from 1,2,3,4-Tetrahydroxycyclotetrasiloxane, Bull. Chem. Soc. Jpn., 73, 215–220 (2000). https://doi.org/10.1246/bcsj.73.215

M. Unno, D. Ishii, and H. Matsumoto, Kinetic Study of Thermal Isomerization of the “Double-decker”-type Sesquichalcogenides, (Thex₂M₂E₂)₂E₂ (M=Si, Ge; E=S, Se), Bull. Chem. Soc. Jpn, 72, 2469–2473 (1999). https://doi.org/10.1246/bcsj.72.2469

M. Unno, T. Saito, and H. Matsumoto, Silapericyclyne, (Ph₂SiCC)₆: Spontaneous Conformational Resolution of Boat- and Chair-'Exploded' Cyclohexane, Chem. Lett., 28, 1235–1236 (1999). https://doi.org/10.1246/cl.1999.1235

R. Tanaka, M. Unno, and H. Matsumoto, Synthesis and Molecular Structures of Novel Isopropyl-substituted Oligosilanes, Chem. Lett., 28, 595–596 (1999). https://doi.org/10.1246/cl.1999.595

M. Unno, R. Tanaka, S. Kyushin, and H. Matsumoto, Synthesis and Reactions of Hepta-t-butylcyclotetragermane, Phosphorus, Sulfur, Silicon Relat. Elem., 150/151, 167–176 (1999). https://doi.org/10.1080/10426509908546382

M. Unno, B. A. Shamsul, M. Arai, K. Takada, R. Tanaka and H. Matsumoto, Synthesis and Characterization of Cage and Bicyclic Silsesquioxanes via Dehydration of Silanols, Appl. Organomet. Chem., 13, 303-310 (1999). https://onlinelibrary.wiley.com/doi/10.1002/%28SICI%291099-0739%28199904%2913%3A4%3C303%3A%3AAID-AOC846%3E3.0.CO%3B2-%23

M. Unno, K. Takada, and H. Matsumoto, Synthesis, Structure, and Reaction of the Tetrahydroxycyclotetrasiloxane [(i-Pr)(OH)SiO]₄, Chem. Lett., 27, 489–490 (1998). https://doi.org/10.1246/cl.1998.489

M. Unno, H. Masuda, and H. Matsumoto, 1,2,3-Triphenyl-1,2,3-trithexylcyclotrisilanes: Synthesis and Ring-Opening by Halogens, Bull. Chem. Soc. Jpn, 70, 2449–2458 (1997). https://doi.org/10.1246/bcsj.71.2449

M. Unno, R. Tanaka, T. Kuribara, M. Saito, and H. Matsumoto, Synthesis, Structures, and Reactions of 1,2,3-Tris(diethylamino)-1,2,3,4-tetrakis-(1,1,2-trimethylpropyl)cyclotetrasilanes, Bull. Chem. Soc. Jpn, 70, 2749–2756 (1997). https://doi.org/10.1246/bcsj.70.2749

K. Kobayashi, T. Kato, M. Unno, and S. Masuda, Asymmetric Synthesis of Organosilicon Compounds Using a C₂ Chiral Auxiliary, Bull. Chem. Soc. Jpn, 70, 1393–1401 (1997). https://doi.org/10.1246/bcsj.70.1393

M. Unno, Y. Kawai, H. Shioyama, and H. Matsumoto, Syntheses, Structures, and Properties of Tricyclo[5.1.1.1^3,5]tetrasilachalcogenanes (Thex₂Si₂E₂)₂E₂ (E = S, Se) and Tricyclo[5.1.1.1^3,5]tetragermachalcogenanes (Thex₂Ge₂E₂)₂E₂ (E = S, Se), Organometallics, 16, 4428–4434 (1997). https://doi.org/10.1021/om970432r

M. Unno, H. Shioyama, and H. Matsumoto, Synthesis and Structures of Tetrasilsesquisulfides, Phosphorus, Sulfur, Silicon Relat. Elem., 120/121, 377–378 (1997). https://doi.org/10.1080/10426509708545556

M. Unno, T. Yokota, and H. Matsumoto, Oxaoctasilahomocubane and Dioxaoctasilabishomocubane: Novel Silicon Ring System, J. Organomet. Chem., 521, 409–411 (1996). https://doi.org/10.1016/0022-328X(96)06421-2

M. Unno, B. A. Shamsul, H. Saito, and H. Matsumoto, Synthesis of Hexasilsesquioxanes Bearing Bulky Substituents: Hexakis(1,1,2-trimethylpropylsilsesquioxane) and Hexakis(tert-butylsilsesquioxane), Organometallics, 15, 2413–2414 (1996). https://doi.org/10.1021/om950737a

M. Unno, H. Shioyama, M. Ida, and H. Matsumoto, Reductive dehalogenation of 4,8-Dihalooctakis(1,1,2-trimethylpropyl)tetracyclo-[3.3.0.0^2,7.0^3,6]octasilanes with Sodium, Organometallics, 14, 4004–4009 (1995). https://doi.org/10.1021/om00008a054

M. Unno, M. Saito, and H. Matsumoto, Synthesis, Structure, and Properties of Novel Aminodisilanes Bearing Bulky Substituents: 1,2-bis(1,1,2-trimethylpropyl)-1,1,2,2-tetrakis(diethylamino)disilane and 1,2-di-(tert-butyl)1,1,2,2-tetrakis(diethylamino)disilane, J. Organomet. Chem., 499, 221–228 (1995). https://doi.org/10.1016/0022-328X(95)00314-G

M. Unno, K. Higuchi, M. Ida, H. Shioyama, S. Kyushin, M. Goto, and H. Matsumoto, Ring-Opening Reaction of Octakis(1,1,2-trimethylpropyl)octasilacubane, Organometallics, 13, 4633–4635 (1994). https://doi.org/10.1021/om00023a075

B. Imperiali, K. L. Shannon, M. Unno, and K. W. Rickert, A Mechanistic Proposal for Asparagine-Linked Glycosylation, J. Am. Chem. Soc., 114, 7944–7945 (1992). https://doi.org/10.1021/ja00046a069

L. T. Scott and M. Unno, Novel Heterocycles Comprising Alternating Phosphorus Atoms and Alkyne Units, J. Am. Chem. Soc., 112, 7823–7825 (1990). https://doi.org/10.1021/ja00177a069

R. Okazaki, M. Unno, and N. Inamoto, Estimation of Bulkiness of a Highly Sterically Demanding 2,4,6-Tris[bis(trimethylsilyl)methyl]-phenyl Group, Chem. Lett., 18, 791–792 (1989). https://doi.org/10.1246/cl.1989.791

R. Okazaki, M. Unno, G. Yamamoto, and N. Inamoto, A Conformational Study on Highly Crowded 1,3,5-Tris[bis(trimethylsilyl)methyl]benzene Derivatives. Chem. Lett. 18, 493–496 (1989). https://doi.org/10.1246/cl.1989.493

R. Okazaki, M. Unno, and N. Inamoto, 2,4,6-Tris[bis(Trimethylsilyl)methyl]phenyl, a New Sterically Demanding Group for Kinetic Stabilization of Unstable Compounds, Chem. Lett., 16, 2293–2294 (1987). https://doi.org/10.1246/cl.1987.2293

R. Okazaki, M. Unno, and N. Inamoto, A New synthesis of 1,3-thiazine derivatives bearing a dithiolane ring and their reductive cleavage with sodium cyanoborohydride, Heterocycles, 25, 183–190 (1987). https://doi.org/10.3987/S-1987-01-0183

[Review, Proceedings] *English only

M. Unno, A. Suto, and T. Matsumoto, "Laddersiloxanes― Silsesquioxanes with defined ladder structure", Russ. Chem. Rev., 82, 289–302 (2013). https://doi.org/10.1070/RC2013v082n04ABEH004360

M. Unno, Laddersiloxanes: silsesquioxanes with defined ladder structure. Materials Research Society Symposium Proceedings 1007-S01-05 (2007). https://doi.org/10.1557/PROC-1007-S01-05

M. Unno, K. Takada, Y. Kawaguchi, and H. Matsumoto, Supramolecular aggregates of silanols and solid-state synthesis of siloxanes, Mol. Cryst. Liq. Cryst., 440, 259–264 (2005). https://doi.org/10.1080/15421400590958584

H. Matsumoto, S. Kyushin, M. Unno, and R. Tanaka, Synthesis, Structures, and Properties of Ladder Oligosilanes and Ladder Oligogermanes, J. Organomet. Chem. 611, 52–63 (2000). https://doi.org/10.1016/S0022-328X(00)00299-0

 

［Books］*English only

M. Unno and H. Endo, “Silanols as Building Blocks for Nanomaterials” in Novel Nanoscale Hybrid Materials, Ed. Bhanu P. S. Chauhan, John Wiley & Sons, Inc., New York, pp. 1–31 (2018). https://doi.org/10.1002/9781119156253.ch1

M. Unno and R. Tanaka, “Silanols and Silsesquioxanes” in Efficient Methods for Preparing Silicon Compounds, Ed. H. W. Roesky, Academic Press, London, pp. 399–440 (2016). https://doi.org/10.1016/B978-0-12-803530-6.00032-9

M. Unno, "Substituted Polyhedral Silicon and Germanium Clusters", in Functional Molecular Silicon Compounds II, Ed. D. Scheschkewitz, Springer, Heidelberg, pp.49-84 (2014). https://doi.org/10.1007/430_2013_99

M. Unno and H. Matsumoto, "Reactions of Octasilacubane", in Organosilicon Chemistry VI，Eds. N. Auner and J. Weis, WILEY-VCH Verlag, Weinheim, pp. 373–380 (2005). https://doi.org/10.1002/9783527618224.ch2c