論文目録 - 植草研究室（東京工業大学）

Isao Kii, Akira Shiraishi, Toshiyuki Hiramatsu, Takeshi Matsushita, Hidehiro Uekusa, Suguru Yoshida, Makoto Yamamoto, Akira Kudo, Masatoshi Hagiwara,Takamitsu Hosoya

Org. Biomol. Chem., 8, 4051-4055 (2010).

Potassium clavulanate

Kotaro Fujii, Kazuyuki Toyota, Akiko Sekine, Hidehiro Uekusa, Ilma Nugrahani, Sukmadjaja Asyarie, N. Sundani Soewandhi, Slamet Ibrahim

Acta Cryst., E66(8), m985-m986 (2010).

Polymorphic Crystal Approach to Changing the Emission of [AuCl(PPh3)2], Analyzed by Direct Observation of the Photoexcited Structures by X-ray Photocrystallography

Manabu Hoshino, Hidehiro Uekusa, Satoshi Ishii, Takuhiro Otsuka, Youkoh Kaizu, Yoshiki Ozawa, Koshiro Toriumi

Inorg. Chem., 49(16), 7257-7265 (2010).

Selective transformation pathways between crystalline forms of an organic material established from powder X-ray diffraction analysis

Kotaro Fujii, Yasunari Ashida, Hidehiro Uekusa, Fang Guo, Kenneth D. M. Harris

Chem. Commun., 46(24), 4264-4266 (2010).

A Spironolactone-Saccharin 1:1 Cocrystal Hemihydrate

Noriyuki Takata, Ryusuke Takano, Hidehiro Uekusa, Yoshiki Hayashi, Katsuhide Terada

Cryst. Growth & Des., 10(5), 2116-2122 (2010).

Hexaradialenes by Successive Ring Openings of Tris(alkoxytricyclobutabenzenes): Synthesis and Characterization

Shinya Shinozaki, Toshiyuki Hamura, Yousuke Ibusuki, Kotaro Fujii, Hidehiro Uekusa, Keisuke Suzuki

Angew. Chem. Int. Ed., 49(1), 3026-3029 (2010).

Physicochemical Understanding of Polymorphism and Solid-State Dehydration/Rehydration Processes for the Pharmaceutical Material Acrinol, by Ab Initio Powder X-ray Diffraction Analysis and Other Techniques

Kotaro Fujii, Hidehiro Uekusa, Naoko Itoda, Gen Hasegawa, Etsuo Yonemochi, Katsuhide Terada, Zhigang Pan, Kenneth D. M. Harris

J. Phys. Chem. C, 114(1), 580-586 (2010).

Partial ferromagnetic ordering and indirect exchange interaction in the spatially anisotropic kagome antiferromagnet Cs2Cu3CeF12

T. Amemiya, M. Yano, K. Morita, I. Umegaki, T. Ono, H. Tanaka, K. Fujii, H Uekusa

Phys. Rev. B , 80(10), 100406/1-100406/4 (2009).

Dihydrochalcone Designed from Methylophiopogonanone B Strongly Inhibits Hypoxia-inducible Factor (HIF)-1α Activity

Mikio Fujii, Kiyoshi Egawa, Yasuaki Hirai, Masato Kondo, Kotaro Fujii, Hidehiro Uekusa, Hiroyuki Akita, Kiyoshi Nose, Kazuo Toriizuka, Yoshiteru Ida

Heterocycles, 78(8), 2061-2065 (2009).

Elementary excitations of the S = 1/2 one-dimensional antiferromagnet KCuGaF6 in a magnetic field and quantum sine-Gordon model

Izumi Umegaki, Hidekazu Tanaka, Toshio Ono, Hidehiro Uekusa, Hiroyuki Nojiri

Phys. Rev. B, 79(18), 184401/1-184401/8 (2009).

Magnetic susceptibilities in a family of S = 1/2 kagome antiferromagnets

T. Ono, K. Morita, M. Yano, H. Tanaka, K. Fujii, H. Uekusa, Y. Narumi, K Kindo

Phys. Rev. B, 79(17), 174407/1-174407/11 (2009).

Chiral Tetraazamacrocycles Having Four Pendant-Arms

Seiji Kamioka, Takashi Takahashi, Susumu Kawauchi, Hiroaki Adachi, Yusuke Mori, Kotaro Fujii, Hidehiro Uekusa, Takayuki Doi

Org. Lett., 11(11), 2289-2292 (2009).

Photocrystallographic analysis of [AuCl(PPh3)2] for elucidation of the crystal packing effect on the photophysical properties.

Manabu Hoshino, Hidehiro Uekusa, Shintaro Sonoda, Takuhiro Otsuka, Youkoh Kaizu

Dalton Trans., (16), 3085-3091 (2009).

Performance of the micro-PIC gaseous area detector in small-angle X-ray scattering experiments.

Kaori Hattori, Ken'ichi Tsuchiya, Kazuki Ito, Yoko Okada, Kotaro Fujii, Hidetoshi Kubo, Kentaro Miuchi, Masaki Takata, Toru Tanimori, Hidehiro Uekusa

J. Synch. Rad., 16(2), 231-236 (2009).

Reevaluation of solubility of tolbutamide and polymorphic transformation from Form I to unknown crystal form

Gen Hasegawa, Takao Komasaka, Rui Bando, Yasuo Yoshihashi, Etsuo Yonemochi, Kotaro Fujii, Hidehiro Uekusa, Katsuhide Terada

Int. J. Pharm., 369(1-2), 12-18 (2009).

Elongated lifetime of unstable colored species by intermolecular hydrogen bond formation in photochromic crystals

Kohei Johmoto, Akiko Sekine, Hidehiro Uekusa, Yuji Ohashi

Bull. Chem. Soc. Jpn., 82(1), 50-57 (2009).

Vapor Induced Crystalline Transformation Investigated by ab initio Powder X-ray Diffraction Analysis.

Kotaro Fujii, Yasunari Ashida, Hidehiro Uekusa, Shinya Hirano, Shinji Toyota, Fumio Toda, Zhigang Pan, Kenneth D. M. Harris

Cryst. Growth & Des., 9(2), 1201-1207 (2009).

A Solid-State Dehydration Process Associated with a Significant Change in the Topology of Dihydrogen Phosphate Chains, Established from Powder X-ray Diffraction

David Albesa-Jove, Zhigang Pan, Kenneth D. M. Harris, Hidehiro Uekusa

Cryst. Growth & Des., 8(10), 3641-3645 (2008).

粉末X線結晶構造解析で解明する5-メチル-2-ピリドン共結晶の光反応性と転移現象

藤井孝太郎, 植草秀裕

日本結晶学会誌, 50(6), 335-340 (2008)

Singlet ground state and spin gap in S = 1/2 Kagome antiferromagnet Rb2Cu3SnF12.

Katsuhiro Morita, Midori Yano, Toshio Ono, Hidekazu Tanaka, Kotaro Fujii, Hidehiro Uekusa, Yasuo Narumi, Koichi Kindo

J. Phys. Soc. Jpn., 77(4), 043707/1-043707/4 (2008).

Single-crystal-to-single-crystal photocyclization of 4-(2,4,6-triisopropylbenzoyl)benzoic acid in the salt crystal with (S)-phenylethylamine.

Hideko Koshima, Yuya Ide, Michitaro Fukano, Kotaro Fujii, Hidehiro Uekusa

Tetrahedron Lett., 49(28), 4346-4348 (2008).

Linearly fused dicyclobutabenzenes via dual, regioselective cycloadditions of 1,4-benzdiyne equivalent and ketene silyl acetals.

Tetsu Arisawa, Toshiyuki Hamura, Hidehiro Uekusa, Takashi Matsumoto, Keisuke Suzuki

Synlett, (8), 1179-1184 (2008).

One-Pot Synthesis of a Novel Ladder Polymer of Calixarene via Condensation Reaction of Resorcinol and Alkanedial Based on Dynamic Covalent Chemistry.

Hiroto Kudo, Kyosuke Shigematsu, Kouji Mitani, Tadatomi Nishikubo, Noriko C. Kasuga, Hidehiro Uekusa, Yuji Ohashi

Macromolecules, 41(6), 2030-2036 (2008).

粉末X線回折データを用いる有機化合物の結晶構造解析

津江広人，堀口雅弘，田村類，藤井孝太郎，植草秀裕

有機合成化学協会誌, 65(12), 1203-1212 (2007).

Synthesis, Structure, and Properties of Benzoquinone Dimer and Trimers Bearing t-Bu Substituents.

Naoto Hayashi, Takahiro Yoshikawa, Takahiro Ohnuma, Hiroyuki Higuchi, Katsuya Sako, Hidehiro Uekusa

Org. Lett., 9(26), 5417-5420 (2007).

Diastereospecific Photocyclization of a Isopropylbenzophenone Derivative in Crystals and the Morphological Changes.

Hideko Koshima, Michitaro Fukano, Hidehiro Uekusa

J. Org. Chem., 72(18), 6786-6791 (2007).

Neutron Diffraction Analysis of Deuterium Transfer in Chiral β-Thiolactam Formation in Crystalline State

Takaaki Hosoya, Hidehiro Uekusa, Yuji Ohashi, Takashi Ohhara, Ichiro Tanaka, Nobuo Niimura

Acta Cryst., B62(1), 153-160 (2006).

X-ray Analysis of Excited-State Molecular Structure of [AuCl(PPh₃)₂]

Manabu Hoshino, Hidehiro Uekusa, Yuji Ohashi

Bull. Chem. Soc. Jpn., 79(1), 1362-1366 (2006).

A New Photoisomerization Process of the 4-Cyanobutyl Group in a Cobaloxime Complex Crystal Observed by Neutron Diffraction

Takaaki Hosoya, Hidehiro Uekusa, Yuji Ohashi, Takashi Ohhara, Ryota Kuroki

Bull. Chem. Soc. Jpn., 79(5), 692-701 (2006).

Multiple pentafluorophenylation of 2,2,3,3,5,6,6-heptafluoro-3,6-dihydro-2H-1,4-oxazine with an organosilicon reagent: NMR and DFT structural analysis of oligo(perfluoroaryl) compounds.

Masakazu Nishida, Haruhiko Fukaya, Yoshio Hayakawa, Taizo Ono, Kotaro Fujii, Hidehiro Uekusa

Helv. Chim. Acta, 89(11), 2671-2685, (2006).

Solid-state phase transition of an inclusion complex of 5-methyl-2-pyridone with 1,3,5-benzenetricarboxylic acid.

Shinya Hirano, Shinji Toyota, Fumio Toda, Kotaro Fujii, Hidehiro Uekuasa

Angew. Chem. Int. Ed., 45(36), 6013-6016, (2006).

Peculiar sandwich-like .pi.-.pi. interaction regulating the nonplanarity of the model heme crystals.

Yoshiki Ohgo, Akito Hoshino, Hidehiro Uekusa, Mikio Nakamura

Inorg. Chem. Commun., 9(12), 1183-1186, (2006).

An isocyanide probe for heme electronic structure: bis(tert-butylisocyanide) complex of diazaporphyrin showing a unique (dxy)2(dxz, dyz)3 ground state.

Yoshiki Ohgo, Saburo Neya, Hidehiro Uekusa, Mikio Nakamura

Chem. Commun., (44), 4590-4592, (2006).

Dodecamethoxy- and Hexaoxotricyclobutabenzene: Synthesis and Characterization.

Toshiyuki Hamura, Yousuke Ibusuki, Hidehiro Uekusa, Takashi Matsumoto, Jay S. Siegel, Kim K. Baldridge, Keisuke Suzuki

J. Am. Chem. Soc., 128(31), 10032-10033, (2006).

Novel spin transition between S = 5/2 and S = 3/2 in highly saddled iron(iii) porphyrin complexes at extremely low temperatures.

Yoshiki Ohgo, Yuya Chiba, Daisuke Hashizume, Hidehiro Uekusa, Tomoji Ozeki, Mikio Nakamura

Chem. Commun., (18), 1935-1937, (2006).

Study of chirality and photo-induced chirality in cobaloxime complex crystals.

Katsuyoshi Ikeda, Weitao Liu, Yuen Ron Shen, Hidehiro Uekusa, Yuji Ohashi, Shin-Ya Koshihara

Chem. Phys. Lett., 422(1-3), 267-270, (2006).

Metal compounds and their manufacture, and dispersions.

Tomoya Hidaka, Yoshitaka Fujita, Kazuo Ono, Hidehiro Uekusa, Yuji Ohashi

Jpn. Kokai Tokkyo Koho, 17 pp.(2006)

Poly-Oxygenated Tricyclobutabenzenes via Repeated [2 + 2] Cycloaddition of Benzyne and Ketene Silyl Acetal.

Toshiyuki Hamura, Yousuke Ibusuki, Hidehiro Uekusa, Takashi Matsumoto, Keisuke Suzuki

J. Am. Chem. Soc. , 128(11), 3534-3535 (2006).

X-ray analysis of bond elongation in VO(acac)₂ at the excited state.

Manabu Hoshino, Akiko Sekine, Hidehiro Uekusa, and Yuji Ohashi

Chem. Lett., 34(9), 1228-1229 (2005).

Modified Photoreactivity Due to Mixed Crystal Formation. III. Decelerated Photoisomerization upon Topochemically Unfavorable Conformational Change.

Champika Vithana, Hidehiro Uekusa, Akiko Sekine, and Yuji Ohashi

Cryst. Growth Des., 5(5), 1755-1760 (2005).

X-ray analysis of excited-state structures of the diplatinum complex anions in five crystals with different cations.

Nobuhiro Yasuda, Hidehiro Uekusa, and Yuji Ohashi

Bull. Chem. Soc. Jpn., 77(5), 933-944 (2004).

Crystal structure of a host-guest complex of gallic acid methyl ester and 5-chloro-2-methyl-4-isothiazoline-3-one.

Akiko Sekine, Takahiro Mitsumori, Hidehiro Uekusa, Yuji Ohashi, and Minoru Yagi

X-Ray Struct. Anal. Online, 19(10-12), x47-x48 (2003).

Structure analysis of photo-induced triplet phenylnitrene using synchrotron radiation.

Masaki Kawano, Terufumi Takayama, Hidehiro Uekusa, Yuji Ohashi, Yoshiki Ozawa, Koudatsu Matsubara, Hidekazu Imabayashi, Minoru Mitsumi, and Koshiro Toriumi

Chem. Lett., 32(10), 922-923 (2003).

Physicochemical and crystal structure analyses of the antidiabetic agent troglitazone.

Katsuhiro Kobayashi, Hiroshi Fukuhara, Tadashi Hata, Akiko Sekine, Hidehiro Uekusa, and Yuji Ohashi

Chem. Pharm. Bull., 51(7), 807-814 (2003).

Deuterium migration mechanism in chiral thiolactam formation by neutron diffraction analysis.

Takaaki Hosoya, Hidehiro Uekusa, Yuji Ohashi, Takashi Ohhara, Hiroyuki Kimura, and Yukio Noda

Chem. Lett., 32(8), 742-743 (2003).

Crystalline-state photoreaction of 1-azido-2-nitrobenzene - direct observation of heterocycle formation by X-ray crystallography.

Terufumi Takayama, Masaki Kawano, Hidehiro Uekusa, Yuji Ohashi, and Tadashi Sugawara

Helv. Chim. Acta, 86(5), 1352-1358 (2003).

Flip-flop motion of the vinyl group in crystals of 4-vinylbenzoic acid.

Nobuhiro Yasuda, Hidehiro Uekusa, and Yuji Ohashi

J. Mol. Struct., 647(1-3), 217-222 (2003).

Physicochemical analyses of phase transition and dehydration processes of a new oral 1b-methylcarbapenem antibiotic agent, CS-834.

Katsuhiro Kobayashi, Hiroshi Fukuhara, Isao Kawamoto, Tadashi Hata, Akiko Sekine, Hidehiro Uekusa, and Yuji Ohashi

Chem. Pharm. Bull., 50(12), 1570-1573 (2002).

Modified photoreactivity due to mixed crystal formation. II. Enhanced reactivity upon conformational mimicry and cavity enlargement.

Champika Vithana, Hidehiro Uekusa, Akiko Sekine, and Yuji Ohashi

Acta Cryst., B58(6), 986-997 (2002).

Direct Observation of Deuterium Migration in Crystalline-State Reaction by Single Crystal Neutron Diffraction IV. "Hula-Twist" Rotation of a Long Alkyl Radical Produced by Photoirradiation.

Takashi Ohhara, Susumu Ikeda, Hiroyuki Imura, Hidehiro Uekusa, Yuji Ohashi, Ichiro Tanaka, and Nobuo Niimura

J. Am. Chem. Soc., 124(49), 14736-14740 (2002).

Excited-state structure of a platinum complex by x-ray analysis.

Nobuhiro Yasuda, Masaki Kanazawa, Hidehiro Uekusa, and Yuji Ohashi

Chem. Lett., 31(11), 1132-1133 (2002).

Crystalline-state photoisomerization of a,b-unsaturated thioamide analyzed by X-rays.

Takaaki Hosoya, Takashi Ohhara, Hidehiro Uekusa, and Yuji Ohashi

Bull. Chem. Soc. Jpn., 75(10), 2147-2151 (2002).

Structure of the photocolored 2-(2',4'-dinitrobenzyl)pyridine crystal: Two-photon induced solid-state proton transfer with minor structural perturbation.

Pance Naumov, Akiko Sekine, Hidehiro Uekusa, and Yuji Ohashi

J. Am. Chem. Soc., 124(29), 8540-8541 (2002).

Modified photoreactivity due to mixed crystal formation. I. Three mixed crystals between isostructural cobaloxime complexes.

Champika Vithana, Hidehiro Uekusa, Akiko Sekine, and Yuji Ohashi

Acta Cryst., B58(2), 227-232 (2002).

Styrene at 83 K.

Nobuhiro Yasuda, Hidehiro Uekusa, and Yuji Ohashi

Acta Cryst., E57(12), o1189-o1190 (2001).

4-Nitro-9,10-dihydrophenanthrene and a polymorphic form of 4-nitrophenanthrene.

Akiko Sekine, Hidehiro Uekusa, Yuji Ohashi, Kimihiro Yoshimura, Mikio Yagi, and Jiro Higuchi

Acta Cryst., C57(12), 1462-1464 (2001).

Direct observation of deuterium migration in crystalline-state reaction by single-crystal neutron diffraction. III. Photoracemization of 1-cyanoethyl cobaloxime complexes.

Takashi Ohhara, Hidehiro Uekusa, Yuji Ohashi, Ichiro Tanaka, Shintaro Kumazawa, and Nobuo Niimura

Acta Cryst., B57(4), 551-559 (2001).

Direct observation of steric hindrance in the process of photoisomerization of cobaloxime complexes.

Yuji Ohashi, Goichi Iketani, and Hidehiro Uekusa

Mol. Cryst. Liq. Cryst. Sci. Tech., Sect. A, 356, 53-60 (2001).

Successive Crystalline-State Photoisomerization of the 4-Cyanobutyl Group in a Cobaloxime Complex.

Champika Vithana, Hidehiro Uekusa, and Yuji Ohashi

Bull. Chem. Soc. Jpn., 74(2), 287-292 (2001).

4-Vinylbenzoic acid and 9-vinylanthracene.

Nobuhiro Yasuda, Hidehiro Uekusa, and Yuji Ohashi

Acta Cryst., C56(11), 1364-1366 (2000).