Ebihara Masahiro

J-GLOBAL         Last updated: Jul 2, 2019 at 02:42
 
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Name
Ebihara Masahiro
Affiliation
Gifu University
Section
Faculty of Engineering

Research Areas

 

Academic & Professional Experience

 
 
   
 
Professor, Gifu University Faculty of Engineering, Department of Chemistry
 

Published Papers

 
Uemura Kazuhiro(Gifu University),Fukui Koichi(Waseda University),Yamasaki Kana(Waseda University),Matsumoto Kazuko(Waseda University),Ebihara Masahiro(Gifu University)
49 7323-7330   Jul 2010
Shinzi Kato, Kazuyasu Tani, Masaru Ishida,b Junko Nonogaki, Masahiro Ebihara, Satoko Hayashi,Waro Nakanishi, Osamu Niyomura, Fumio Andoa, Jugo Koketsua
40 8156-8169   May 2011
Uemura Kazuhiro(Gifu University), Ebihara Masahiro(Gifu University)
50 7919-7921   Jul 2011
M.Khawar Rauf, Masahiro Ebihara, Amin Badshah and Imtiaz-ud-Din
E68 o119-o119   Jan 2012
M. Khawar Rauf, Masahiro Ebihara, Amin Badshah and Imtiaz-ud-Din
E68 o120-o120   Jan 2012

Misc

 
Toshiaki Murai, Toshiaki Murai, Tomohiko Mizutani, Masahiro Ebihara, Toshifumi Maruyama
J. Org. Chem.   80 6903-6907   2015
? 2015 American Chemical Society. Carbonyl compounds were added to selenocarbamoyllithiums to generate Éø-hydroxy and Éø-oxo selenoamides. Their conformations were determined by X-ray analyses. These compounds adopted conformations that were almos...
Jin-Long, Yuki Matsuda, Kazuhiro Uemura, Masahiro Ebihara
Inorg. Chem.   54 2331-2338   2015
? 2015 American Chemical Society. Dirhodium complexes with biimidazole (H<inf>2</inf>bim) ligands [Rh<inf>2</inf>(O<inf>2</inf>CR)<inf>2</inf>(H<inf>2</inf>bim)<inf>2</inf>Cl<inf>2</inf>] (R = Bu ([1Cl<inf>2</inf>]), Pr ([2Cl<inf>2</inf>])), [Rh<i...
Kazuhiro Uemura, Tomofumi Yamada, Toru Kanbara, Masahiro Ebihara
Inorg. Chim. Acta   424 194-201   2015
? 2014 Elsevier B.V. All rights reserved. One-dimensional (1-D) chain complexes, [{Rh2(acam)4}{Pt(piam)2(NH3)2}2]?4MeOH?3H2O (2, acam = acetamidate, piam = pivalamidate), have been constructed containing unbridged Rh-Pt bonds between two types of ...
Kazuhiro Uemura, Toru Kanbara, Masahiro Ebihara
Inorg. Chem.   53 4621-4628   2014
Two types of heterometallic one-dimensional chains, [{Rh 2(acam)4}{Pt2(piam)2(NH 3)4}2]n(CF3SO 3)4n?2nMeOH (2, where acam = acetamidate, piam = pivalamidate) and [{Rh2(acam)4}{Pt2(piam) 2(NH3)4}]n(CF3CO 2)2n?2nEtOH (3), have been synthesized and c...
Tatsuhiro Kojima, Tomofumi Yamada, Yumi Yakiyama, Eri Ishikawa, Yasushi Morita, Masahiro Ebihara, Masaki Kawano
CrystEngComm   16 6335-6344   2014
Kinetic state networks can be trapped by multi-interactive ligands via weak intermolecular interactions. Self-assembly of a tripyridyl multi-interactive ligand K+TPHAP- (potassium 2,5,8-tri(4Åå-pyridyl)-1, 3,4,6,7,9-hexaazaphenalene) and ZnI2 prod...
Tariq Mahmood Babar, Muhammad Moazzam Naseer, Muhammad Khawar Rauf, Humayun Pervez, Masahiro Ebihara, Nasim Hasan Rama
Chinese Chemical Letters   25 1282-1286   2014
A novel fused isocoumarin skeleton has been synthesized through selective domino multicyclizations by mixing homothallic acid and 2,3-diphenylacryloyl chloride at 200 ÅãC under catalyst and solvent free reaction conditions. Six fused rings with tw...
Jin-Long; Uemura, K.; Ebihara, M.
Acta Crystallogr.   B70 1006-1019   2014
Yasuhiro Fuma, Masahiro Ebihara, Shoichi Kutsumizu, Takashi Kawamura
J. Am. Chem. Soc.   126 12238-12239   2014
A mixed oxidation-state (Rh2 4+ and Rh2 5+) compound, [{Rh2(acam)4}2I]n?6nH2O (Hacam = acetamide), has been synthesized. The compound has a nonpenetrating diamondoid arrangement of {Rh2(acam)4} units linked by É 4-iodides. All of the dirhodium uni...
Yosuke Toyoda, Yosuke Toyoda, Masayuki Ninomiya, Masahiro Ebihara, Mamoru Koketsu
Organic and Biomolecular Chemistry   11 2652-2659   2013
The Staudinger ketene-imine [2 + 2] cycloaddition reaction for conversion of Éø-heteroatom-substituted exocyclic imines to C4 heterocyclic spiro-É¿-lactams has rarely been investigated due to their instability. Herein, we describe the Staudinger r...
Structural and spectral studies of some geometric isomers of N-pivaloyl-N'-dichlorophenyl thiourea.
Rauf, M. K.; Ebihara, M.; Sultana, S.; Badshah, A.
Chinese Journal of Structural Chemistry   32 349-356   2013
Kazuhiro Uemura, Masahiro Ebihara
Inorg. Chem.   52 5535-5550   2013
One-dimensional (1-D) chain complexes constructed by metal-metal bonds containing three types of metal species - platinum, rhodium, and copper - have been rationally synthesized and characterized by single-crystal X-ray analyses and physical measu...
Takahashi, T.; Niyomura, O.; Kato, S.; Ebihara, M.
Z. Anorg. Allg. Chem.   639 108-114   2013
Takahashi, T.; Niyomura, O.; Kato, S.; Ebihara, M.
Z. Anorg. Allg. Chem.   639 96-107   2013
Rauf, M. K.; Yaseen, S.; Ebihara, M.; Badshah, A.
Acta Crystallogr.   E69 o84   2013
Rauf, M. K.; Ebihara, M.; Badshah, A.
Acta Crystallogr.   E69 o19   2013
Rauf, M. K.; Ebihara, M.; Badshah, A.
Acta Crystallogr.   E69 o16   2013
Osamu Niyomura, Osamu Niyomura, Yuka Kito, Shinzi Kato, Masaru Ishida, Masaru Ishida, Masahiro Ebihara, Masahiro Ebihara, Satoko Hayashi, Waro Nakanishi
Z. Anorg. Allg. Chem.   638 2508-2520   2012
Compound (2-MeOC6H4CS)2S (1) showed an unusual saddle structure in which the -C(=S)-S-C(=S)- moiety is planar and two benzene rings lie a face-to-face and the distances (3.07 ?) between the central sulfur atom and two 2-methoxy oxygen atoms are wi...
Ghulam Murtaza, Muhammad Khawar Rauf, Amin Badshah, Masahiro Ebihara, Muhammad Said, Marcel Gielen, Dick De Vos, Erum Dilshad, Bushra Mirza
European Journal of Medicinal Chemistry   48 26-35   2012
A series of homoleptic copper(II) complexes (1a-8a) with N,NÅå,NÅç-trisubstituted guanidines, [Cu(II){PhCONHC(NHR)NPh} 2] (where R = phenyl (1a), n-butyl (2a), sec-butyl (3a), cyclohexyl (4a), 1-naphthyl (5a), 2,4-dichlorophenyl (6a), 3,4-dichloro...
Kazuhiro Uemura, Kaori Sakurai, Erina Yasuda, Masahiro Ebihara
Polyhedron   45 35-42   2012
As analogues to a previous compound [{Rh 2(O 2CCH 3) 4}{Pt 2(piam) 2(NH 3) 4} 2] n(PF 6) 4 n?6nH 2O (1, where piam = pivalamidate), two hexanuclear complexes [{Rh 2(O 2CCH 3) 4}{Pt 2(piam) 2(NH 2CH 3) 4} 2](PF 6) 4 (2) and [{Rh 2(O 2CCH 3) 4}{Pt 2...
Yasuhiro Fuma, Osamu Miyashita, Takashi Kawamura, Masahiro Ebihara
Dalton Transactions   41 8242-8251   2012
A series of mixed oxidation state compounds, [{Rh 2(acam) 4} 3(É  3-X) 2]?nH 2O (Hacam = acetamide; X = Cl, n = 4 (1?4H 2O); X = Br, n = 10 (2?10H 2O); X = I, n = 10 (3?10H 2O)) and [{Rh 2(pram) 4} 3(É  3-X) 2]?6H 2O (Hpram = propionamide; X = Cl ...
M. Khawar Rauf, Masahiro Ebihara, Amin Badshah, Imtiaz-Ud-din
Acta Crystallogr.   E68 o120   2012
The dihedral angle between the benzoyl and phenyl groups in the title compound, C 18H 20N 2OS, is 30.57(4)Åã. The crystal packing is characterized by N-H???O hydrogen bonds. In the crysta, pairs of N-H???S hydrogen bonds link the molecules into in...
M. Khawar Rauf, Masahiro Ebihara, Amin Badshah, Imtiaz-Ud-din
Acta Crystallogr.   E68 o119   2012
The benzene and phenyl rings in the title compound, C 14H 9Cl 3N 2OS, form a dihedral angle of 40.98(6)Åã. The molecule exists in the thione form with typical thiourea C-S [1.666(2) ?] and C-O [1.227(3) ?] bond lengths as well as shortened C-N bon...
M. Khawar Rauf, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E68 o3483   2012
The dihedral angle between the two phenyl groups in the title compound, C16H15ClN2OS, is 14.88 (4)Åã. An intramolecular N-H?O hydrogen bond occurs. In the crystal, pairs of N-H?S hydrogen bonds link the molecules into centrosymmetric dimers.
Shinzi Kato, Kazuyasu Tani, Masaru Ishida, Junko Nonogaki, Masahiro Ebihara, Satoko Hayashi, Waro Nakanishi, Osamu Niyomura, Fumio Ando, Jugo Koketsu
Dalton Transactions   40 8156-8169   2011
A series of selenium and tellurium bis(carbodithioates and carbothioates) were synthesized. X-Ray structure analysis revealed that Se(SSCC 6H4OMe-2)2, Te(SSCC6H 4OMe-2)2 and Te(SSCC6H4Me-4) 2 have trapezoidal-planar configuration of ES4 (E = Se, T...
Kazuhiro Uemura, Masahiro Ebihara
Inorg. Chem.   50 7919-7921   2011
We have succeeded in obtaining unique one-dimensional (1D) chain complexes (1, 2, and 3) comprised of two types of metal species: rhodium and platinum. These compounds are constructed from a dinuclear rhodium complex (i.e., [Rh 2]) and a pivalamid...
Kazuhiro Uemura, Yukari Yamasaki, Fumiaki Onishi, Hidetoshi Kita, Masahiro Ebihara
Inorg. Chem.   49 10133-10143   2010
A preliminary study of isopropanol (IPA) adsorption/desorption isotherms on a jungle-gym-type porous coordination polymer, [Zn2(bdc) 2(dabco)]n (1, H2bdc = 1,4-benzenedicarboxylic acid, dabco =1,4-diazabicyclo[2.2.2]octane), showed unambiguous two...
Kazuhiro Uemura, Kchi Fukui, Kana Yamasaki, Kazuko Matsumoto, Kazuko Matsumoto, Masahiro Ebihara
Inorg. Chem.   49 7323-7330   2010
The quasi-one-dimensional chain [{PtRh(TCM)2(NH 3)2Cl2.5}2{Pt2(PVM) 2(NH3)4}2]n(PF 6)6n?2nH2O (Chain-2; TCM = Cl 3CCONH-, PVM = tBuCONH-), which consists of Pt and Rh atoms, has been obtained from two dinuclear compounds, [Pt2(PVM)2(NH3)4](PF 6)2?...
Kazumasa Funabiki, Yoshihiro Murase, Yudai Furuno, Yasuhiro Kubota, Masahiro Ebihara, Masaki Matsui
Tetrahedron   66 3283-3289   2010
Treatment of trifluoroacetaldehyde ethyl hemiacetal with enamines, derived from acetophenone derivatives, at room temperature gave (E)-1,1,1-trifluoro-4-morpholino-4-aryl-but-3-en-2-ols, which are intermediates for preparation of the É¿-trifluorom...
Yasuhiro Kubota, Toshihiro Tsuzuki, Kazumasa Funabiki, Masahiro Ebihara, Masaki Matsui
Organic Letters   12 4010-4013   2010
A fluorescent dye, the pyridomethene-BF2 complex, has been synthesized. Although pyridomethenes did not exhibit fluorescence, pyridomethene-BF2 complexes exhibited fluorescence both in solution and in the solid state. The trifluoromethyl-substitut...
Yasuhiro Kubota, Jun Uehara, Kazumasa Funabiki, Masahiro Ebihara, Masaki Matsui
Tetrahedron Lett.   51 6195-6198   2010
In this study, we attempted to increase the fluorescence quantum yield of pyrromethene-BF2 complex (BODIPY) in the solid state by introducing bulky groups as substituents at the boron atom. Although the BF2 complex did not exhibit any fluorescence...
Morina Adfa, Mamoru Koketsu, Masahiro Ebihara
Acta Crystallogr.   E66 o2190   2010
In the title compound, 6-benzyloxy-2H-1-benzopyran-2-one, C 16H 12O 3, the coumarin unit and benzyl plane in the mol-ecule are perpendicular to each other [86.92 (7)Åã]. The crystal packing is stabilized by ÉŒ-ÉŒ stacking inter-actions, with an in...
So Yeon Park, Masahiro Ebihara, Yasuhiro Kubota, Kazumasa Funabiki, Masaki Matsui
Dyes and Pigments   82 258-267   2009
The solid-state fluorescence intensity of coumarin dyes depends on the substituents present at the 4- and 7-positions. 7-(Diethylamino)coumarins showed higher solid-state fluorescence quantum yield (É≥f(ss) = 0.29-0.40) than 7-aminocoumarins (0.01...
M. Khawar Rauf, M. Khawar Rauf, Imtiaz-ud-Din, Amin Badshah, Marcel Gielen, Masahiro Ebihara, Dick de Vos, Safeer Ahmed
Journal of Inorganic Biochemistry   103 1135-1144   2009
A series of copper(I) complexes of N,NÅå-disubstituted thioureas, [C6H5CONHCSNHR]Cu(I)Cl where R = C6H5 (1a), 2-ClC6H4 (2a), 3-ClC6H4 (3a), 4-ClC6H4 (4a), 2,3-Cl2C6H3 (5a), 2,4-Cl2C6H3 (6a), 2,5-Cl2C6H3 (7a), 2,6-Cl2C6H3 (8a), 3,4-Cl2C6H3 (9a) and...
Shafqat Nadeem, Muhammad Khawar Rauf, Muhammad Khawar Rauf, Saeed Ahmad, Masahiro Ebihara, Syed Ahmed Tirmizi, Sarfaraz Ahmed Bashir, Amin Badshah
Transition Metal Chemistry   34 197-202   2009
Sonochemical synthesis, thermal studies and X-ray structure of precursor [Zr(acac)3(H2O)2]Cl for deposition of thin film of ZrO2 by ultrasonic aerosol assisted chemical vapour deposition.
Hussain, M.; Mazhar, M.; Rauf, M. K.; Ebihara, M.; Hussain, T.
Bulletin of the Korean Chemical Society   30 92-96   2009
Yasuhiro Kubota, Toshihiro Shibata, Emi Babamoto-Horiguchi, Jun Uehara, Kazumasa Funabiki, Shinya Matsumoto, Masahiro Ebihara, Masaki Matsui
Tetrahedron   65 2506-2511   2009
2,3-Diaminomaleonitrile (DAMN) was allowed to react with 2,6-heptanedione to produce (2Z)-2-amino-3-[(1E)-3-methylcyclohex-2-enylideneamino]but-2-enedinitrile and (2Z)-2-amino-3-[(1Z)-3-methylcyclohex-2-enylideneamino]but-2-enedinitrile. The react...
Osamu Niyomura, Shoho Nakaiida, Ryo Yamada, Shinzi Kato, Masaru Ishida, Masahiro Ebihara, Fumio Ando, Jugo Koketsu
Molecules   14 2555-2572   2009
A series of aromatic diacyl tellurides were prepared in moderate to good yields by the reactions of sodium or potassium arenecarbotelluroates with acyl chlorides in acetonitrile. X-ray structure analyses and theoretical calculations of 2-methoxybe...
Khushi Muhammad, M. Khawar Rauf, Masahiro Ebihara, Shahid Hameed
Acta Crystallogr.   E65 o424   2009
The title compound, C22H26O5, is an important inter-mediate for the synthesis of side-chain ligands for polymeric liquid crystals. The octyl group is coplanar with the central C6O moiety, where the maximum deviation of a C atom in the octyl group ...
Ghulam Murtaza, Hanif-Ur-Rehman, M. Khawar Rauf, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E65 o343   2009
In the title tetrasubstituted guanidine, C18H21N3O, the guanidine and carbonyl groups are not coplanar, as reflected by the torsion angles involving the N=C atoms [17.6 (3), -141.68 (17) and 42.2 (3)Åã]. This is probably due to the absence of an i...
Ghulam Murtaza, Masahiro Ebihara, Muhammad Said, M. Khawar Rauf, Saeed Anwar
Acta Crystallogr.   E65 o2297-o2298   2009
In the title compound, C20H15Cl2N 3O, a typical polysubstituted guanidine with normal geometric parameters, the torsion angles [C - N - C - O = 3.8 (2), N - C - N - C = -6.1 (2)Åã] indicate that the guanidine and carbonyl groups are almost coplana...
Tashfeen Akhtar, M. Khawar Rauf, Masahiro Ebihara, Shahid Hameed
Acta Crystallogr.   E65 o441   2009
The title compound, C9H11BrN2O2, is an important inter-mediate for the synthesis of heterocyclic compounds such as azoles, 2,5-disubstituted-1,3,4- oxadiazo-les and 5-substituted 2-mercapto-1,3,4-oxadiazo-les. The bromo-phen-oxy group subtends a d...
Shafqat Nadeem, M. Khawar Rauf, Masahiro Ebihara, Syed Ahmed Tirmizi, Saeed Ahmad
Acta Crystallogr.   E64 m698-m699   2008
The title compound, [Pd(CH4N2S)4](SCN)2, consists of complex [Pd(TU)4] 2+ [TU = thio-urea, SC(NH2)2] cations and thio-cyanate counter-anions. The PdII cation is situated on an inversion centre and exhibits an almost square-planar coordination by t...
Murtaza, G.; Said, M.; Khawar Rauf, M.; Ebihara, M.; Badshah, A.
Acta Crystallogr.   E64 o333   2008
Hamid Nawaz, M. Khawar Rauf, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E63 o334   2008
In the title mol-ecule, C16H17NO2, there is an intra-molecular hydrogen bond between the NH group and the O atom of the carbonyl group, but the crystal structure is devoid of inter-molecular hydrogen bonding. The dihedral angle between the two ben...
Hamid Nawaz, M. Khawar Rauf, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E64 o334   2008
In the title compound, C17H17Cl2NO2, the NH group exhibits an intra-molecular hydrogen bond to the carbonyl O atom and no inter-molecular hydrogen bonding, in contrast with previous studies. The dihedral angle between the two benzene rings is 58.5...
M. Khawar Rauf, Masahiro Ebihara, Imtiaz-Ud-Din, Amin Badshah
Acta Crystallogr.   E64 o366   2008
In the crystal structure of the title compound, C12H24N+? NCS-, the anions and cations are linked through N - H?N and N - H?S hydrogen bonds, resulting in a chain along the a axis.
Kazumasa Funabiki, Akitsugu Shibata, Hiroki Iwata, Keisuke Hatano, Yasuhiro Kubota, Kenichi Komura, Masahiro Ebihara, Masaki Matsui
J. Org. Chem.   73 4694-4697   2008
(Chemical Equation Presented) Reduction of the obtained chiral (S)-tert-butyl 2-(perfluoroalkanoyl)pyrrolidine-1-carboxylate with sodium borohydride or lithium aluminum hydride proceeded smoothly to give the corresponding (S)-tert-butyl 2-((R)-per...
M. Kaleem Kashif, Abid Hussain, M. Khawar Rauf, Masahiro Ebihara, Shahid Hameed
Acta Crystallogr.   E64 o444   2008
In the title compound, C10H9FN2O2, the dihedral angle between the hydantoin unit and the benzene ring is 65.55 (5)Åã. The atoms in the hydantoin ring are coplanar, with a mean deviation of 0.015 ? and a maximum deviation of 0.075 (2) ? for one car...
Khushi Muhammad, M. Khawar Rauf, Masahiro Ebihara, Shahid Hameed
Acta Crystallogr.   E64 o1251   2008
The title compound, C17H16O5, is an important inter-mediate for the synthesis of side-chain ligands for polymeric liquid crystals. The prop-oxy and benzoic acid groups subtend dihedral angles of 4.36 (6) and 55.35 (6)Åã, respectively, with the cen...
Saba Nazir, M. Khawar Rauf, Masahiro Ebihara, Shahid Hameed
Acta Crystallogr.   E64 o423   2008
In the crystal structure of the title compound, C27H24O2P +?Br-?0.5H2O, there are inter-molecular O - H?Br hydrogen bonds between the H atoms of the water of crystallization and the bromide anions. The three phenyl rings of the triphenyl-phosphoni...
Monazza Serwer, M. Khawar Rauf, Masahiro Ebihara, Shahid Hameed
Acta Crystallogr.   E64 o812   2008
The title compound, C17H18BrN3OS, is an important inter-mediate for the synthesis of biologically active heterocyclic compounds. The thio-urea group is approximately planar. The crystal structure is stabilized by inter-molecular N - H?O hydrogen-b...
Saba Nazir, Khushi Muhammad, M. Khawar Rauf, Masahiro Ebihara, Shahid Hameed
Acta Crystallogr.   E64 o1013   2008
The title compound, C15H11FO2, is an important inter-mediate in the synthesis of side-chain ligands for polymeric liquid crystals. The vinyl group is almost coplanar with both the aromatic rings. The crystal structure is stabilized by inter-molecu...
Masahiro Ebihara, Mitsuko Nomura, Shogo Sakai, Takashi Kawamura
Inorganica Chimica Acta   360(7) 2345-2352   2007
Reaction of tetrathiafulvalene carboxylic acid (TTFCO2H) with paddlewheel dirhodium complex Rh2(ButCO2)4 yielded TTFCO2-bridged complexes Rh2(ButCO2)3(TTFCO2) (1) and cis- and trans-Rh2(ButCO2)2(TTFCO2)2 (cis- and trans-2). Their triethylamine add...
Hamid Nawaz, M. Khawar Rauf, Yasuhiro Fuma, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E63 o1228-o1229   2007
The title compound, C15H13Cl2NO2, exhibits intra-molecular hydrogen bonding between the amino N and meth-oxy O atoms, and no inter-molecular hydrogen bonding, contrary to previous studies. The dihedral angle between the two benzene rings is 74.99 ...
Kohji Kawai, Kazumasa Ibi, Masahiro Ebihara, Shinzi Kato, Shinzi Kato
Z. Anorg. Allg. Chem.   633 625-634   2007
This paper describes the synthesis and some reactions of potassium, rubidium , cesium and trimethylsilyl carbamoselenothioates. The potassium salts were synthesized in 70-80% yields by reacting the corresponding thiocarbamoyl chlorides with potass...
Ghulam Murtaza, Muhammad Said, M. Khawar Rauf, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E63 o4664   2007
The title compound, C22H21N3O, is a typical polysubstituted guanidine with normal geometric parameters. The torsion angles indicate that the guanidine unit and the carbonyl group are not coplanar. The crystal packing is stabilized by inter-molecul...
Tashfeen Akhtar, M. Khawar Rauf, Masahiro Ebihara, Shahid Hameed
Acta Crystallogr.   E63 o2590-o2592   2007
In the title compound, C9H8Cl2O3, the mol-ecules are linked in dimers across centres of symmetry by O - H?O hydrogen bonds. The O?O distance and O - H?O angle compare well with values observed in other substituted phen-oxy and benzoic acids. ? 200...
Sarwat Sultana, M. Khawar Rauf, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E63 o2674   2007
There are two mol-ecules in the asymmetric unit of the title compound, C10H14N4OS. Both the thio-carbonyl and carbonyl groups are cis with respect to the C - N thio-urea bond. Both intra- and inter-molecular N - H?N hydrogen bonds stabilize the pa...
Noreen Shoukat, M. Khawar Rauf, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E63 o1478-o1479   2007
The title compound, C13H15F3N2OS, shows an intra-molecular N - H?O hydrogen bond and forms inter-molecular N - H?S hydrogen bonds, generating a chain. ? International Union of Crystallography 2007.
Sarwat Sultana, M. Khawar Rauf, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E63 o2801   2007
In the title compound [systematic name: 1-(2,2-dimethyl-propion-yl)-3-(4- nitro-phen-yl)thio-urea], C12H15N3O3S, the mol-ecule exists in the thione form with typical thio-urea C - S and C - O bonds, as well as shortened C - N bond lengths. The pla...
Sarwat Sultana, M. Khawar Rauf, Masahiro Ebihara, Amin Badshah
Acta Crystallogr.   E63 o2602   2007
The crystal structure of the title compound, C12H15BrN2OS, is composed of discrete mol-ecules with bond lengths and angles quite typical for thio-urea compounds of this class. The mol-ecule exists in the solid state in its thione form with typical...
Masahiro Ebihara, Yasuhiro Fuma
Acta Crystallogr.   C62(7) m284-m289   2006
In diaquatetra-ɠ-acetamidato-ɻ4N: O;ɻ4O:N-dirhodium(II,III) hexafluorophosphate, [Rh 2(C2H4NO)4(H2O) 2]PF6, and diaquatetra-ɠ-acetamidato- ɻ4N:O;K4O:N-dirhodium(II,III)hexa-fluorophosphate dihydrate, [Rh2(C2H4NO)4(H 2O)2]PF62H2O, the cations ...
Masahiro Ebihara, Kaori Yamada
Acta Crystallogr.   E62 m2377-m2379   2006
The title compound, (C8H20N)[Rh2(C 7H6NO)4Cl2]?2CH 2Cl2, has the acetamidate-bridged-Rh2 anion on an inversion centre. The tetraethylammonium cation is disordered on another inversion centre. The Rh-Rh bond distance is 2.4265 (13) ?; the metal ato...
Yasuhiro Fuma, Masahiro Ebihara
Acta Crystallogr.   E62 m1898-m1900   2006
In the title compound, [Rh2(C2H4NO) 4(H2O)2] [ReO4], the cation lies on an inversion center and the anion on a twofold axis. The cations are connected two-dimensionally by O-H?O and N-H?O hydrogen bonding. Hydrogen bonds to perrhenate ions connect...
Yasuhiro Fuma, Masahiro Ebihara
Acta Crystallogr.   E62 m2802-m2804   2006
The mixed-valence complex, [Ru2(C2H 4NO)4(H2O)2]ClO4, contains two centrosymmetric cations with Ru-Ru bond distances of 2.2817 (10) and 2.2804 (10) ?. The diruthenium cations and perchlorate anions are interconnected by N - H?O and O - H?O hydroge...
Yasuhiro Fuma, Masahiro Ebihara
Acta Crystallogr.   E62 m2805-m2807   2006
The asymmetric unit of the title mixed-valence complex, [Ru 2(C2H4NO)4(H2O) 2]NO3, comprises two half-cations, with Ru-Ru bond distances of 2.2829 (5) and 2.2797 (5) ?, and a nitrate anion. Each cation is centrosymmetric. The diruthenium cations f...
Yasuhiro Fuma, Masahiro Ebihara
Acta Crystallogr.   E62 m2808-m2810   2006
The asymmetric unit of the title mixed-valence complex, [Ru 2(C2H4NO)4(H2O) 2](C24H20B)?H2O, comprises half each of two centrosymmetric cations, with Ru-Ru bond distances of 2.2823 (5) and 2.2742 (5) ?, a tetraphenylborate anion and a water molecu...
Masahiro Ebihara, Kaori Yamada, Takashi Kawamura
Acta Crystallogr.   C62 m451-m454   2006
The dirhodium complex bis(benzonitrile)tetrakis[É -4-(diethylamino) benzoato-É»2O:OÅå]dirhodium(II)(Rh-Rh) benzonitrile disolvate, [Rh2(C11H14NO2) 4(C7H5NN)]?2C7H5N, lies about an inversion centre. The dirhodium complex (methanol)tetrakis(É - 4-ni...
Zhiyong Yang, Masahiro Ebihara, Takashi Kawamura
Inorganica Chimica Acta   359 2465-2471   2006
The reaction of [Rh2(acam)4(H2O)2]ClO4 (1) (Hacam = acetamide) with K2PtCl4 in aqueous solution gave crystals of [Rh2(acam)4(H2O)2][Rh2(acam)4{(É -Cl)2PtCl2}] ? 2H2O (2). The reaction of 1 with K2PdCl4 produced the palladium analog [Rh2(acam)4(H2O...
Masahiro Ebihara, Zhiyong Yang, Takashi Kawamura
Acta Crystallogr.   E62 m3031-m3033   2006
The title compound, [Rh2(C4H7O 2)2Cl2(C8H6N 2)2]?C2H3N, includes a dinuclear rhodium complex that has two bridging naphthyridine ligands cis to the Rh-Rh bond, two bridging butyrate and two axial Cl ligands. The Rh-Rh bond distance is 2.4269 (4) ?...
Masahiro Ebihara, Yasuhiro Fuma
Acta Crystallogr.   C62 m556-m558   2006
In {[Rh2(C2H4NO)4Cl] ?CH3OH}n, the cationic dirhodium complex and bridging chloro ligands form a one-dimensional zigzag chain, [Rh 2(acam)4(É -Cl)] (Hacam is acetamide). There is a large difference between the two Rh-Cl distances [2.6076(14) and 2...
Yasuhiro Fuma, Masahiro Ebihara
Chem. Lett.   35 1298-1299   2006
A mixed oxidation-state (Rh2 4+ and Rh 2 5+) complex, [{Rh2(acam)4} 2(É 4-ReO4)] (1, Hacam = acetamide), was synthesized and characterized by X-ray structure analysis. A square-sheet structure is constructed from Rh2(acam)4 units and ReO4 - ion li...
Koketsu, M.; Ebihara, M.; Ishihara, H.
Acta Crystallogr.   E62 o1347-o1349   2006
Koketsu, M.; Ebihara, M.; Ishihara, H.
Acta Crystallogr.   E62 o1218-o1220   2006
Masahiro Ebihara, Hideharu Ishihara, Mamoru Koketsu
Acta Crystallogr.   E62 o1666-o1668   2006
In the title compound, C12H15NOS, the thiazine ring adopts a sofa conformation. Intermolecular N - H?O hydrogen bonds link centrosymmetrically related molecules into discrete pairs. ? 2006 International Union of Crystallography. All rights reserved.
Garud, D. R.; Koketsu, M.; Ebihara, M.; Ishihara, H.
Acta Crystallogr.   E62 o2133-o2134   2006
Mai Efdi, Mamoru Koketsu, Masahiro Ebihara, Hideharu Lshihara
Acta Crystallogr.   E62 o2993-o2994   2006
The title compound, also known as salicifoline chloride, C 12H20NO2 +?Cl-, was isolated from Eniconsanthum membranifolium J. Sinclair for X-ray analysis. Salicifoline is hydrogen bonded to a chloride ion via the OH group. ? 2006 International Unio...
Mai Efdi, Mamoru Koketsu, Masahiro Ebihara, Hideharu Ishihara
Acta Crystallogr.   E62 o2135-o2137   2006
The title compound, C10H10O2, was isolated from Eniconsanthum membranifolium J. Sinclair. There are six independent molecules in the unit cell. Intramolecular hydrogen bonds from the hydroxy H atoms to the carbonyl O atoms are observed in the crys...
Yoshihito Ueno, Takumi Kato, Kumiko Sato, Yasutomo Ito, Mahito Yoshida, Takumi Inoue, Aya Shibata, Masahiro Ebihara, Yukio Kitade
J .Org. Chem.   70 7925-7935   2005
The synthesis and properties of a nucleic acid analogue consisting of a benzene-phosphate backbone are described. The building blocks of the nucleic acid analogue are composed of bis(hydroxymethyl)-benzene residues connected to nucleobases via the...
Ebihara, M.; Kanematsu, N.; Yoshida, M.; Kawamura, T.
Bull. Chem. Soc. Jpn.   78 2159-2160   2005
Masahiro Ebihara, Naohiro Kanematsu, Toshiharu Sakuma, Shinya Noritake, Takashi Kawamura
Inorg. Chim. Acta   358 2174-2182   2005
Seven diiridium(II) complexes were synthesized by ligand substitution reactions of [Ir2(É -O2CMe)2Cl 2(CO)2] (1) and [Ir2(É -O2CMe) 2Cl2(CO)2(py)2] (2).The reaction of 2 with the silver salt of a less coordinating anion, AgSbF6, gave a cationic co...
Tomonori Sugiura, Koji Ota, Masahiro Ebihara, Takashi Kawamura
C. R. Chim.   8 1760-1765   2005
The reaction of [Ru2(O2CCMe3) 4(H2O)2]BF4 with (nBu4N)2[(Mo6Xi 8)Xa 6] (Xi, Xa = Cl, Cl; Cl, Br; Br, Cl) in CH2Cl2 afforded 2D sheet structure of [{Ru2(O2CCMe3) 4}2{(Mo6Xi 8) Xa 6}]n?2n CH2 Cl2 (Xi, Xa = Cl, Cl (1?2 CH2Cl2); Cl, Br (2?2 CH2 Cl2); ...
Masahiro Ebihara, Masami Iiba, Hiroaki Matsuoka, Takashi Kawamura
Inorganica Chimica Acta   357(4) 1236-1242   2004
Reactions of a benzylidyne-capped tricobalt cluster, [Co3Cp 3(É 3-CPh)2] (1), with halogens (X 2 = Cl2, Br2, and I2) in CH 2Cl2 afforded halogen-adducts of 1. The structure of four isolated salts [Co3Cp3(É 3-CPh) 2(É -Cl)]PF6?MeCN (2PF6?MeCN), [Co...
Yoshihito Ueno, Takumi Kato, Kumiko Sato, Yasutomo Ito, Masahiro Ebihara, Jin Jiye, Yukio Kitade
Nucleic acids symposium series   17-18   2004
This paper describes DNA analog synthesis consisting of the benzene-phosphate backbone, of which the monomer units are built from benzene-core units connected via a biaryl-like axis to the nucleobases. It was found that the duplex comprised of the...
Masahiro Ebihara, Masami Iiba, Hiroaki Matsuoka, Chie Okuda, Takashi Kawamura
J. Organometal. Chem.   689 146-153   2004
Reactions of the benzylidyne-capped tricobalt cluster [Co3 Cp3(É 3-CPh)2] (1) with various silver salts have been examined. The salts of weakly- or non-coordinating anions (e.g., BF4 - and PF6 -) oxidize 1 in CH2Cl2 to form its cationic radical, 1...
Masahiro Ebihara, Nobuhiro Nagaya, Naoki Kawashima, Takashi Kawamura
Inorg. Chim. Acta   351 305-310   2003
The reaction of [Ru2(O2CMe)4Cl] with neat 4,5-dimethyl-2-methylaminothiazole (Hdmat) gave an aminothiazolato-bridged paddlewheel Ru2 5+ complex, [Ru2(dmat)4Cl] (1). The corresponding Ru2 6+ species, [Ru2(dmat)4Cl]PF6 (2), was produced by electroch...
Masahiro Ebihara, Masami Iiba, Satohisa Higashi, Naoki Tsuzuki, Takashi Kawamura, Tsunenori Morioka, Shinji Ozawa, Tokio Yamabe, Hideki Masuda
Polyhedron   22 3413-3422   2003
The benzylidyne-capped trirhodium and cobalt-rhodium mixed-metal clusters [M3Cp3(É 3-CPh)2] (M 3:Rh3, 1; CoRh2, 2; Co2Rh, 3) were synthesized. Complex 1 was prepared from [CpRh(CO)2] and diphenylacetylene. Complexes 2 and 3 were synthesized by usi...
Yasuaki Takazaki, Zhiyong Yang, Masahiro Ebihara, Katsuya Inoue, Takashi Kawamura
Chem. Lett.   32 120-121   2003
The reaction of a mixture of [Rh2(acam)4(H2O)2] (Hacam = acetamide) and its radical cation salt with sodium chloride in an aqueous solution gave a mixed-valent 2-D honeycomb crystal of [{Rh2(acam)4}3(É 3-Cl) 2]n?4nH2O. The oxidation states of the ...
Preparation and Structure of Bis(m-acetato)dichlorodicarbonyldiiridium(II) Complexes with Group 15 ligands, [Ir2(m-O2CMe)2Cl2(CO)2L2] (L = PPh3, PCy3, P(OPh)3, AsPh3, SbPh3), and ESR and DFT Studies of Electronic Structure of Their Cationic Radicals
Inorg. Chim. Acta   Vol.323, pp.96-104 96-104   2001
Zhiyong Yang, Masahiro Ebihara, Takashi Kawamura, Takashi Okubo, Tadaoki Mitani
Inorg. Chim. Acta   321 97-106   2001
The reaction of 2,2-cis-[Rh2(acam)4(H2O)2]ClO 4 (1) (Hacam = acetamide) with sodium halides in aqueous solution gave crystals of [Rh2(acam)4X]n?mnH2O (X = Cl, Br, I). The composition of the products depended on the reaction temperature. The anhydr...
Kawamura, T.; Kachi, H.; Fujii, H.; Kachi-Terajima, C.; Kawamura, Y.; Kanematsu, N.; Ebihara, M.; Sugimoto, K.; Kuroda-Sowa, T.; Munakata, M.
Bull. Chem. Soc. Jpn.   73 657-668   2000
Zhiyong Yang, Masahiro Ebihara, Takashi Kawamura
J. Mol. Catal. A   158 509-514   2000
Hydrogenation of Éø,É¿-unsaturated alcohol, nitrile, aldehyde, ketone, carboxylic acid and amide catalyzed by a novel water-soluble complex [Rh4(O2CPr(ÉŒ))4Cl4(CH3CN)4] was investigated. The reactions were carried out in aqueous solution at room t...
Zhiyong Yang, Tomoharu Fujinami, Masahiro Ebihara, Kiyohiko Nakajima, Hiroshi Kitagawa, Hiroshi Kitagawa, Takashi Kawamura
Chem. Lett.   1006-1007   2000
The reaction of a Rh2 5+ cationic radical salt, 2,2-cis-[Rh2-(acam)4(H2O)2]ClO4 (Hacam = acetamide), with sodium halides in aqueous solution gave crystals of [Rh2(acam)4Cl]n?7nH2O and [Rh2(acam)4Br]n, both of which consist of zigzag chain of (-Rh-...
Naohiro Kanematsu, Masahiro Ebihara, Takashi Kawamura
Inorg. Chim. Acta   292 244-248   1999
Dinuclear iridium(I) complexes with two bridging aminopyridinato ligands, [Ir(É -L)(COD)]2 (COD=1,5-cyclooctadiene (1): L=2-aminopyridinato (ap) (2): L=2-anilinopyridinato (anp)), were prepared from [Ir(É -Cl)(COD)]2 and Li+L- in a 24-36% yield. T...

Conference Activities & Talks

 
Proton Coupled Mixed Valency in Quadruple Hydrogen Bonded Dimers of Bis(biimidazolate)dirhodium complexes
Jul 2014   

Research Grants & Projects

 
Synthesis of metal-metal bonded complexes
Funded Research
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research
Project Year: 2014 - 2016