PAPERS

Water-triggered Macroscopic Structural Transformation of a Metal-Organic Framework,

Masataka Ohtani, Kazutaka Takase, Pengyu Wang, Kouki Higashi, Kimiyoshi Ueno, Nobuhiro Yasuda, Kunihisa Sugimoto, Mamoru Furuta, and Kazuya Kobiro

CrystEngComm, 2016, in press

DOI: 10.1039/C6CE00031B 

 

A Simple Synthetic Approach to Al2O3–TiO2 and ZnO–TiO2 Mesoporous Hollow Composite Assemblies Consisting of Homogeneously Mixed Primary Particles at the Nano Level,
Ellawala K. C. Pradeep, Masataka Ohtani, and Kazuya Kobiro,
Eur. J. Inorg. Chem. 2015, 5621–5627.

DOI:10.1002/ejic.201500964

 

Ultra-simple synthetic approach to the fabrication of CeO2-ZrO2 mixed nanoparticles into homogeneous, domain, and core-shell structures in mesoporous spherical morphologies using supercritical alcohols,

Ellawala Kankanamge Chandima Pradeep, Teppei Habu, Hiroko Tooriyama, Masataka Ohtani, and Kazuya Kobiro,

J. Supercrit. Fluids 2015, 97, 217-223.

DOI: 10.1016/j.supflu.2014.12.004

 

Magnetically Induced Anisotropic Orientation of Graphene Oxide Locked by in Situ Hydrogelation, 

Linlin Wu , Masataka Ohtani, Masaki Takata,Akinori Saeki, Shu Seki, Yasuhiro Ishida, and Takuzo Aida, 

ACS Nano 2014, 8, 4640-4649.

DOI: 10.1021/nn5003908

 

Synthesis of 2-Aryl-5-Nitropyridines by Three-Component Ring

Transformation of 3,5-Dinitro-2-Pyridone

Thi Song Le, Haruyasu Asahara, Kazuya Kobiro, Ryuichi Sugimoto, Kazuhiko Saigo, and Nagatoshi Nishiwaki,

Asian J. Org. Chem. 2014, 3, 297 – 302.

DOI: 10.1002/ajoc.201300282

 

Smart Decoration of Mesoporous TiO2 Nanospheres with Noble Metal Alloy Nanoparticles into Core–Shell, Yolk–Core–Shell, and Surface-Dispersion Morphologies,

Pengyu Wang, Hiroko Tooriyama, Kazuya Yokoyama, Masataka Ohtani, Haruyasu Asahara, Tomoya Konishi, Nagatoshi Nishiwaki, Masahiko Shimoda, Yoshiyuki Yamashita, Hideki Yoshikawa, and Kazuya Kobiro,

Eur. J. Inorg. Chem. 2014, 4254– 4257.

DOI: 10.1002/ejic.201402646

 

Synthetic versatility of nanoparticles: A new, rapid, one-pot, single-step synthetic approach to spherical mesoporous (metal) oxide nanoparticles using supercritical alcohols,

Pengyu Wang and Kazuya Kobiro,

Pure and Applied Chemistry 201486, 785–800. 

DOI: 10.1515/pac-2013-1117

 

Synthesis of vicinally functionalized 1,4-dihydropyridines and diazabicycles via a pseudo-intramolecular process, Nagatoshi Nishiwaki, Shotaro Hirao, Jun Sawayama, Haruyasu Asahara, Ryuichi Sugimoto, Kazuya Kobiro, and Kazuhiko Saigo,

Tetrahedron 201470, 402–408.

DOI: 10.1016/j.tet.2013.11.044

 

Reactive 2-Quinolones Dearomatized by Steric Repulsion between 1-Methyl and 8-Substited Groups,

Xin Chen, Kazuya Kobiro, Haruyasu Asahara, Kiyomi Kakiuchi, Ryuichi Sugimoto, Kazuhiko Saigo, and Nagatoshi Nishiwaki,

Tetrahedron 201369, 4624-4630.

DOI: 10.1016/j.tet.2013.04.008

 

Ultimately Simple One-pot Single-step Synthesis of Rare Earth Doped Spherical Mesoporous Metal Oxide Nanospheres with Upconversion Emission Ability in Supercritical Methanol,

Pengyu Wang, Kazuya Yokoyama, Tomoya Konishi, Nagatoshi Nishiwaki, and Kazuya Kobiro,

J. Supercrit. Fluids 201380, 71-77.

DOI: 10.1016/j.supflu.2013.04.001

 

Reactive 2-Quinolones Dearomatized by Steric Repulsion between 1-Methyl and 8-Substited Groups,

Xin Chen, Kazuya Kobiro, Haruyasu Asahara, Kiyomi Kakiuchi, Ryuichi Sugimoto, Kazuhiko Saigo, and Nagatoshi Nishiwaki,

Tetrahedron 201369, 4624-4630.

DOI: 10.1016/j.tet.2013.04.008

 

Ultimately Simple One-pot Single-step Synthesis of Rare Earth Doped Spherical Mesoporous Metal Oxide Nanospheres with Upconversion Emission Ability in Supercritical Methanol,

Pengyu Wang, Kazuya Yokoyama, Tomoya Konishi, Nagatoshi Nishiwaki, and Kazuya Kobiro,

J. Supercrit. Fluids 2013, 80, 71-77.

DOI: 10.1016/j.supflu.2013.04.001

 

Versatility of One-pot, Single-step Synthetic Approach for Spherical Porous (Metal) Oxide Nanoparticles 

Pengyu Wang, Hikaru Takigawa, Kimiyoshi Ueno, and Kazuya Kobiro,

J. Supercrit. Fluids 201378, 124-131.

DOI: 10.1016/j.supflu.2013.03.023

 

Saccharides as New Hydrogen Sources for One-pot and Single-step Reduction of Alcohols and Catalytic Hydrogenation of Olefins in Supercritical Water,
Kazuya Kobiro, Kana Sumoto, Yuki Okimoto, and Pengyu Wang,
J. Supercrit. Fluids, 2013, 78, 63-69
DOI: 10.1016/j.supflu.2013.02.012

 

Mechanistic aspect of ring transformations in the reaction of 5-nitro-4-pyrimidinone with acetophenone derivatives and cycloalkanones depending on the electron density/ring size of the ketone,
Nagatoshi Nishiwaki, Ryuichi Sugimoto, Kazuhiko Saigo, and Kazuya Kobiro,
Tetrahedron Lett. 201354, 956-959.
DOI: 10.1016/j.tetlet.2012.12.020 

Mesoporous TiO2 nanoparticles: A new material for biolistic bombardment,
Liyuan Hou, Pengyu Wang, Fantao Kong, Hyunsun Park, Kazuya Kobiro, and Takeshi Ohama,
Phycol. Res. 201361, 58-60.
DOI: 10.1111/j.1440-1835.2012.00671.x

Coordination ability of alkali metal or alkaline earth metal ions with aromatic dicarboxylate, sulfonate, or disulfonate ions in acetonitrile,
Masashi Hojo, Sho Ohta, Keita Ayabe, Kei Okamura, Kazuya Kobiro, and Zhidong Chen
J. Mol. Liq. 2013177, 145-155.

DOI: 10.1016/j.molliq.2012.10.033

 

Nickel(II) Macrocycles: Highly Efficient Electrocatalysts for the Selective Reduction of CO2 to CO,
Jacob Schneider, Hongfei Jia, Kazuya Kobiro, Diane E. Cabelli, James T. Muckermana, and Etsuko Fujita,
Energy Environ. Sci. 2012, 5, 9502–9510. 
DOI: 10.1039/C2EE22528J

 

One-step synthesis of differently bis-functionalized isoxazoles by cycloaddition of carbamoylnitrile oxide with ?-keto esters,
Nagatoshi Nishiwaki, Kazuya Kobiro, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Yumiko Ise, Maho Nishizawa, and Masahiro Ariga,
Org. Biomol. Chem. 201210, 1987-1991.
DOI: 10.1039/C2OB06925C

Ultimately Simple One-Pot Synthesis of Spherical Mesoporous TiO2 Nanoparticles in Supercritical Methanol,
Pengyu Wang and Kazuya Kobiro,
Chem. Lett. 201241, 264-266. 
DOI: 10.1246/cl.2012.264

Ring construction via pseudo-intramolecular hydrazonation using bifunctional beta-keto nitrile,
Shotaro Hirao, Kazuya Kobiro, Jun Sawayama, Kazuhiko Saigo, and Nagatoshi Nishiwaki,
Tetrahedron Lett. 201253, 82-85.
DOI: 10.1016/j.tetlet.2011.10.159

One-step and Non-catalytic Intramolecular Redox Reactions of Conjugated All E-Dienals to Non-conjugatedZ-Enoic Acids in Subcritical Water,
Xin Chen, Kana Sumoto, Sotatsu Mitani, Tetsuya Yamagami, Kazuya Yokoyama, Pengyu Wang, Shotaro Hirao, Nagatoshi Nishiwaki, and Kazuya Kobiro,
J. Supercrit. Fluids 201262, 178-183.
DOI: 10.1016/j.supflu.2011.10.022

 

Inverse Electron-demand 1,3-Dipolar Cycloaddition of Nitrile Oxide with Common Nitriles Leading to 3-Functionalized 1,2,4-Oxadiazoles,
Nagatoshi Nishiwaki, Kazuya Kobiro, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Yumiko Ise, Yoshikazu Okajima, and Masahiro Ariga,
Org. Biomol. Chem. 20119, 6750-6754.
DOI: 10.1039/C1OB05682D

Simple, Non-catalytic Permethylation of Catechol Derivatives in Subcritical and Supercritical Water,
Pengyu Wang, Daigo Nishimura, Takaya Komatsu, and Kazuya Kobiro
J. Supercrit. Fluids 201158, 360-364.
DOI: 10.1016/j.supflu.2011.07.009 

Subcritical Water Assisted Clean Cross-Aldol Reactions
Pengyu Wang and Kazuya Kobiro,
J. Chem. Eng. Jpn. 201144, 577-582.
DOI: 10.1252/jcej.10we308 

Bicyclization involving pseudo-intramolecular imination with diamines,
Nagatoshi Nishiwaki, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, and Kazuya Kobiro,
Chem. Commun. 201147, 4938-4940. 
DOI: 10.1039/C1CC10705D 

An anomalous hydration/dehydration sequence for the mild generation of a nitrile oxide,
Nagatoshi Nishiwaki, Kazuya Kobiro, Hideyuki Kiyoto, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Yoshikazu Okajima, Toshiharu Uehara, Asaka Maki, and Masahiro Ariga,
Org. Biomol. Chem. 2011, 9, 2832-2839.
DOI: 10.1039/C0OB01005G

Heteroassociation of Anions with Acidic Functionarities in Acetonitrile,
Taishi Wada, Masumi Yamashita, Xin Zheng, Xiaohong Hou, and Kazuya Kobiro,
Bull. Chem. Soc. Jpn. 201184, 226-228. 
DOI: 10.1246/bcsj.20100226

Two-Step Cellulose Hydrolysis Using Modest Amount of Concentrated Sulfuric Acid or Autoclave and Fermentation of the Hydrolyzates into Ethanol Utilizing Recombinant Yeast,
Toshiyuki Uryu, Kaname Katsuraya, Kohsaku Okuyama, Hironori Kato, Chihiro Uchiyama, Aiko Oka, Natsumi Kubo, Mari Takahashi, Mihoko Kudo, Masataka Kawabe, Takayuki Kobayashi, Shiro Ohnishi, Mariko Aida, Kaori Shishikura, Haruyuki Iefuji, Kazuya Kobiro, Yasukata Tsutsui, and Takashi Yoshida,
Kochi University of Technology Research Bulletin 20107, 101-108.

One-step Construction of 6-Aza-2-thyabicyclo[3.3.1]nona-3,7-diene Framework,
Nagatoshi Nishiwaki and Kazuya Kobiro,
Heterocycles 201081, 2139-2142.
DOI: 10.3987/COM-10-11998 

Non-catalytic Oppenauer oxidation of alcohols in supercritical water,
Pengyu Wang, Xuetang Shi, Koichi Kataoka, Yasuhide Maeda, and Kazuya Kobiro,
J. Supercrit. Fluids 2010, 52, 222-227.
DIO: 10.1016/j.supflu.2009.12.013 

The first ESR observation of radicals species in subcritical water,
Kazuya Kobiro, Masahiko Matsura, Hiroyuki Kojima, and Koichi Nakahara,
Tetrahedron 200965, 807-810.

A Strategy of Visible Anion Recognition by Simple Polycyclic Aromatic Acid,
Xiaohong Hou, Taishi Wada, Sayaka Gion, and Kazuya Kobiro,
Chem. Lett. 200837, 274-275.

Reaction Behavior of Secondary Alcohols in Supercritical Water,
Pengyu Wang, Hiroyuki Kojima, Kazuya Kobiro, Koichi Nakahara, Toshihiko Arita, and Okitsugu Kajimoto,
Bull. Chem. Soc. Jpn. 200780, 1828-1832.

4-(N,N-dimethylamino)benzoic Acid as a New Class of Simple Chromogenic and Fluorogenic Anion Host Exhibiting High Selectivity to HPO42- and SO42-,
Xiaohong Hou and Kazuya Kobiro,
Chem. Lett. 200635, 116-117.

Versatility of an intramolecularly hydrogen-bonded 4-(N,N-dimethylamino)benzoate group as a signaling subunit for anion recognition,
Xiaohong Hou and Kazuya Kobiro,
Tetrahedron 200561, 5866-5875.

A New Chiral Probe for Sulfate Anion: UV, CD, Fluorescence, and NMR Spectral Studies of 1:1 and 2:1 Complex Formation and Structure of Chiral Guanidinium-p-Dimethylaminobenzoate Conjugate with Sulfate Anion,
Kazuya Kobiro and Yoshihisa Inoue,
J. Am. Chem. Soc. 2003125, 421-427.

Acid-catalyzed Transformation of Rubrene to Indenonaphthacene and Its Paired Interacting Orbitals (PIO) Analysis,
Takahiro Hosokawa, Hiromi Nakano, Kazuto Takami, Kazuya Kobiro, Akinobu Shiga,
Tetrahedron Lett. 200344, 1175-1178.

Synthesis of a novel chiral ruthenium complex and its crystal structure,
Min Shi, Kazuya Kobiro, and Tomomi Fujita,
J. Organomet. Chem. 2000605, 134-138.

 

REVIEWS

中空多孔質金属酸化物ナノ粒子の大量高速合成法,

大谷政孝,小廣和哉,

ケミカルエンジニヤリング,201560,335-339.


Synthetic versatility of nanoparticles: A new, rapid, one-pot, single-step synthetic approach to spherical mesoporous (metal) oxide nanoparticles using supercritical alcohols,

Pengyu Wang and Kazuya Kobiro,

Pure and Applied Chemistry 201486, 785–800. 

DOI: 10.1515/pac-2013-1117


中空球状多孔質二酸化チタンナノ粒子の単工程ワンポット合成法,
 王 鵬宇,小廣和哉,
色材協会誌201285,416–420.

 

中実および中空マリモ状多孔質二酸化チタンナノ粒子のワンポット一段階合成,
王 鵬宇,小廣和哉,
ケミカルエンジニヤリング201257,554-559.