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博士(理学)(東北大学)
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修士(理学)(東北大学)
Details of the Researcher
Professional Memberships 3
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日本希土類学会
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有機合成化学協会
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日本化学会
Research Interests 3
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Lanthanide Complex
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NMR
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absolute configuration determination
Research Areas 2
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Life sciences / Bioorganic chemistry / Organic Chemistry
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Nanotechnology/Materials / Structural/physical organic chemistry / Organic Chemistry
Papers 21
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FICA, a new chiral derivatizing agent for determining the absolute configuration of secondary alcohols by F-19 and H-1 NMR spectroscopies Peer-reviewed
Tamiko Takahashi, Hiroaki Kameda, Tomoyo Kamei, Jyunichi Koyanagi, Fabio Pichierri, Kenji Omata, Miyuki Ishizaki, Hiroshi Nakamura
TETRAHEDRON-ASYMMETRY 24 (17) 1001-1009 2013/09
DOI: 10.1016/j.tetasy.2013.06.012
ISSN: 0957-4166
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Confirmation by IR of the preferred conformations of CFTA esters in solution: a highly reliable criterion for the stereochemistry assignment of chiral alcohols Peer-reviewed
Kenji Omata, Kohsuke Kotani, Kuninobu Kabuto, Tomoya Fujiwara, Yoshio Takeuchi
CHEMICAL COMMUNICATIONS 46 (20) 3610-3612 2010
DOI: 10.1039/b926793j
ISSN: 1359-7345
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Reliable assignment of absolute configuration of chiral amines based on the analysis of (1)H NMR spectra of their CFTA amide diastereomers Peer-reviewed
Tomoya Fujiwara, Masaru Segawa, Hidehito Fujisawa, Taiki Murai, Tamiko Takahashi, Kenji Omata, Kuninobu Kabuto, Siegfried N. Lodwig, Clifford J. Unkefer, Yoshio Takeuchi
TETRAHEDRON-ASYMMETRY 19 (7) 847-856 2008/04
DOI: 10.1016/j.tetasy.2008.03.003
ISSN: 0957-4166
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The origin of an unusually large F-19 chemical shift difference between the diastereomeric alpha-cyano-alpha-fluoro-p-tolylacetic acid (CFTA) esters of 3 ',4 ',5,7-tetra-O-methylepicatechin Peer-reviewed
Dirk J. Brand, Jacobus A. Steenkamp, Kenji Omata, Kuninobu Kabuto, Tomoya Fujiwara, Yoshio Takeuchi
CHIRALITY 20 (3-4) 351-356 2008/03
DOI: 10.1002/chir.20447
ISSN: 0899-0042
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Use of Sm(III)-{1,2-propanediamine-N,N,N ', N '-tetra(alpha,alpha- dideuterioacetate)} complex for NMR determination of absolute configuration of each alpha-amino acid in peptide hydrolysate mixtures Peer-reviewed
Kenji Omata, Mika Fujioka, Kuninobu Kabuto, Yoichi Sasaki
CHEMICAL COMMUNICATIONS (40) 4903-4905 2008
DOI: 10.1039/b809551e
ISSN: 1359-7345
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P-26 Chiral Lanthanide Shift Reagents Useful for Determination of the Absolute Configurations of Amino Acids and Peptides
Omata Kenji, Kabuto Kuninobu, Sasaki Yoichi
Symposium on the Chemistry of Natural Products, symposium papers (48) 523-528 2006/09/15
Publisher: Symposium on the chemistry of natural productsDOI: 10.24496/tennenyuki.48.0_523
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Largest discrete supramolecular architecture based on a lanthanide ion: [Lanthanum(III)(18){N,N '-bis(2-pyridylmethyl)-N,N '-1,2-ethanediylbis(D-alaninate)}(18)(H2O)(36)](18+) Peer-reviewed
K Omata, N Hoshi, K Kabuto, C Kabuto, Y Sasaki
INORGANIC CHEMISTRY 45 (14) 5263-5265 2006/07
DOI: 10.1021/ic0605625
ISSN: 0020-1669
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The CFTA method: A reliable procedure for the determination of the absolute configuration of chiral primary amines by H-1 NMR spectroscopic analysis Peer-reviewed
Yoshio Takeuchi, Masaru Segawa, Hidehito Fujisawa, Kenji Omata, Siegfried N. Lodwig, Clifford J. Unkefer
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 45 (28) 4617-4619 2006
ISSN: 1433-7851
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An introduction of a microscale organic experiment into laboratory course of general education in Tohoku University Peer-reviewed
K. Omata, K. Kabuto
Chemical Education 53 (11) 614-617 2005/11
Publisher: The Chemical Society of JapanDOI: 10.20665/kakyoshi.53.11_614
ISSN: 0386-2151
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Synthesis and optical resolution of 2-aryl-2-fluoropropionic acids, fluorinated analogues of non-steroidal anti-inflammatory drugs (NSAIDs) Peer-reviewed
H Fujisawa, T Fujiwara, Y Takeuchi, K Omata
CHEMICAL & PHARMACEUTICAL BULLETIN 53 (5) 524-528 2005/05
DOI: 10.1248/cpb.53.524
ISSN: 0009-2363
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Observing the enantiomeric H-1 chemical shift non-equivalence of several alpha-amino ester signals using tris[3-(trifluoromethylhydroxymethylene)-(+)-camphorato]samarium(III): a chiral lanthanide shift reagent that causes minimal line broadening Peer-reviewed
K Omata, S Aoyagi, K Kabuto
TETRAHEDRON-ASYMMETRY 15 (15) 2351-2356 2004/08
DOI: 10.1016/j.tetasy.2004.06.021
ISSN: 0957-4166
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An efficient procedure for the resolution of alpha-cyano-alpha-fluoro-p-tolylacetic acid (CFTA) via the diastereomeric N-carbobenzyloxy-cis-1-amino-2-indanol esters Peer-reviewed
T Fujiwara, M Sasaki, K Omata, C Kabuto, K Kabuto, Y Takeuchi
TETRAHEDRON-ASYMMETRY 15 (3) 555-563 2004/02
DOI: 10.1016/j.tetasy.2003.12.024
ISSN: 0957-4166
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Use of a diamagnetic lanthanide complex for extending the scope of NMR determination of absolute configuration by the modified Mosher's method Peer-reviewed
K Omata, T Fujiwara, K Kabuto
TETRAHEDRON-ASYMMETRY 13 (15) 1655-1662 2002/08
DOI: 10.1016/S0957-4166(02)00414-7
ISSN: 0957-4166
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Determination of the absolute configurations of alpha-amino esters from the F-19 NMR chemical shifts of their CFTA amide diastereomers Peer-reviewed
T Fujiwara, K Omata, K Kabuto, C Kabuto, T Takahashi, M Segawa, Y Takeuchi
CHEMICAL COMMUNICATIONS (24) 2694-2695 2001/12
DOI: 10.1039/b108842d
ISSN: 1359-7345
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Samarium(III)-propylenediaminetetraacetate complex: A water-soluble chiral shift reagent for use in high-field NMR Peer-reviewed
A Inamoto, K Ogasawara, K Omata, K Kabuto, Y Sasaki
ORGANIC LETTERS 2 (23) 3543-3545 2000/11
DOI: 10.1021/ol006379b
ISSN: 1523-7060
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Resolution of enantiomer signals by diamagnetic lanthanum(III)-N,N,N ' N '-tetrakis (2-pyridinylmethyl)-(R)-propylenediamine complex in H-1 NMR Peer-reviewed
J Sato, HY Jin, K Omata, K Kabuto, Y Sasaki
ENANTIOMER 4 (2) 147-150 1999
ISSN: 1024-2430
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Ortho-vinylation reaction of phenols with ethyne Peer-reviewed
M Yamaguchi, M Arisawa, K Omata, K Kabuto, M Hirama, T Uchimaru
JOURNAL OF ORGANIC CHEMISTRY 63 (21) 7298-7305 1998/10
DOI: 10.1021/jo980785f
ISSN: 0022-3263
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Chemistry and antimicrobial activity of caryoynencins analogs Peer-reviewed
M Yamaguchi, HJ Park, S Ishizuka, K Omata, M Hirama
JOURNAL OF MEDICINAL CHEMISTRY 38 (26) 5015-5022 1995/12
DOI: 10.1021/jm00026a008
ISSN: 0022-2623
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SYNTHESIS OF EXO-ENYNES BY RUTHENIUM-CATALYZED CROSS-COUPLING REACTION OF HYDROXY ALLENES AND 1-ALKYNES Peer-reviewed
M YAMAGUCHI, Y KIDO, K OMATA, M HIRAMA
SYNLETT (11) 1181-& 1995/11
DOI: 10.1055/s-1995-5229
ISSN: 0936-5214
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RHODIUM-CATALYZED CROSS-COUPLING OF UNACTIVATED ALLENES AND 1-ALKYNES Peer-reviewed
M YAMAGUCHI, K OMATA, M HIRAMA
TETRAHEDRON LETTERS 35 (31) 5689-5692 1994/08
DOI: 10.1016/S0040-4039(00)77280-7
ISSN: 0040-4039
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DESILYLATION REACTIONS OF POLY[(T-BUTYLDIMETHYLSILYLOXY)PHENYLACETYLENE]S Peer-reviewed
M YAMAGUCHI, K OMATA, M HIRAMA
CHEMISTRY LETTERS (11) 2261-2262 1992/11
DOI: 10.1246/cl.1992.2261
ISSN: 0366-7022
eISSN: 1348-0715
Misc. 14
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α‐メチル‐α‐アミノ酸エステルの絶対構造決定法としてのCFTA法の応用研究
藤原朋也, 竹内義雄, 小俣乾二, 甲國信
反応と合成の進歩シンポジウム講演要旨集 35th 54-55 2009/10/30
DOI: 10.14895/hannou.35.0.33.0
ISSN: 0919-2123
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CFTA法―理論的および実験的配座解析に基づいた初めての絶対配置決定法
小俣乾二, 小谷紘右, 甲國信, 藤原朋也, 竹内義雄, 野依良治
反応と合成の進歩シンポジウム講演要旨集 34th 344-345 2008/10/17
DOI: 10.14895/hannou.34.0.171.0
ISSN: 0919-2123
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Enantiomer signal separation of α,α-disubstituted-α-amino acids and N-methylamino acids by water-soluble chiral lanthanide NMR shift reagents
OMATA Kenji, KATSURO Yasuhiro, KABUTO Kuninobu, SASAKI Yoichi
(48) 186-187 2006/05/23
ISSN: 0910-2205
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新規絶対配置決定手段としてのCFTA法:19FNMRを用いるアルコールおよびアミン類の絶対配置決定への応用
藤原朋也, 藤沢英仁, 村井大樹, 竹内義雄, 小俣乾二, 甲千寿子, 甲国信, LODWIG Siegfried N, UNKEFER Clifford J
反応と合成の進歩シンポジウム講演要旨集 31st 72-73 2005/10/12
DOI: 10.14895/hannou.31.0.72.0
ISSN: 0919-2123
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Simultaneous determination of absolute configurations of several α-amino acids using enantiomeric Sm(III)-(pdta-d_8) complexes
FUJIOKA Mika, OMATA Kenji, KABUTO Kuninobu, SASAKI Yoichi
44 100-101 2004/05/13
ISSN: 0910-2205
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ランタン(III)イオンのキレーションによるMTPA誘導体の配座変化と絶対配置決定への応用
藤原朋也, 小俣乾二, 甲国信
反応と合成の進歩シンポジウム講演要旨集 29th 84-85 2003/09/24
DOI: 10.14895/hannou.29.0.84.0
ISSN: 0919-2123
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Enantiomer Signal Separation of β-amino acids induced by Eu(III)-pdta ; Relation between the Absolute Configurations and Relative Shifts of Enantiomer Signals
SASAKI Masaki, OMATA Kenji, KABUTO Kuninobu, SASAKI Yoichi
42 198-199 2003/05/20
ISSN: 0910-2205
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Direct ortho-vinyl reaction of phenol : Optimization of the reaction and effect of substituents.
平井剛, 山口雅彦, 平間正博, 小俣乾二, 甲国信
化学系7学協会連合東北地方大会プログラムおよび講演予稿集 1996 159 1996/10
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Properties of some Eu(III) complexes of optically active EDTA analogs as NMR chiral shift reagents
ASANO H., OMATA K., KABUTO K., SASAKI Y.
(28) 352-353 1996/05/16
ISSN: 0910-2205
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Direct vinylation of polyhydroxybenzene derivatives.
小俣乾二, 甲国信, 山口雅彦, 平間正博
日本化学会講演予稿集 70th (2) 1158 1996/03
ISSN: 0285-7626
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Synthesis of exo - ene/ine compounds by Ru catalyst coupling of allene and 1 - alkyne.
城戸義幸, 小俣乾二, 山口雅彦, 平間正博
化学系7学協会連合東北地方大会プログラムおよび講演予稿集 1995 53 1995/09
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Dimerization of Allenes Promoted by RuH2(CO)(PPh3)3.
小俣乾二, 山口雅彦, 平間正博
日本化学会講演予稿集 69th (2) 1150 1995/03
ISSN: 0285-7626
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1‐アルキンとアレンのRu触媒カップリングによるexo‐エンイン化合物の選択的合成
小俣乾二, 城戸義幸, 山口雅彦, 平間正博
化学系7学協会連合東北地方大会プログラムおよび講演予稿集 1994 66 1994/09
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1‐アルキンのアレンへのRh触媒付加反応を利用したE‐エンイン化合物の合成
小俣乾二, 山口雅彦, 平間正博
化学系7学協会連合東北地方大会プログラムおよび講演予稿集 1993 192 1993/09
Books and Other Publications 1
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Handbook of Rare earth chemicals for material technology
G. Adachi, authors
NTS 2008/05
Presentations 21
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IRスペクトルによるキラル誘導体の優位配座の確認を取り入れた信頼性の高いNMRによる絶対配置決定法
第49回天然有機化合物討論会 2007/09/19
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IRスペクトルによる優位配座の確認を取り入れたCFTA法
シンポジウム「モレキュラー・キラリテイー2007」 2007/05
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3',4',5,7-テトラ-O-メチルエピカキンのジアステレオメリックCFTAエステル間に見られる異常に大きな19F化学シフト差とその原因
シンポジウム「モレキュラー・キラリテイー2007」 2007/05
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プロピレンジアミン四酢酸(pdta)ランタニド錯体の結晶構造:多様な分子集合形成
日本化学会第87春季年会 2007/03
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3’,4’,5,7-テトラ-O-メチルエピカテキンのジアステレオメリックCFTAエステル間に見られる異常に大きな19F化学シフト差とその原因
日本化学会第87春季年会 2007/03
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IRスペクトルによる優位配座の確認を取り入れたCFTA法
日本化学会第87春季年会 2007/03
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アミノ酸およびペプチドの絶対配置決定に有用なキラルランタニドシフト試薬
第48回天然有機化合物討論会 2006/10
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Enantiomer signal separation of α,α-disubstituted-α-amino acids and N-methyl-α-amino acids by water-soluble chiral lanthanide NMR shift reagents International-presentation
Chirality-2006 / ISCD-18 2006/06
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Improvement of the NMR method for determining absolute configurations of α-amino acids using Sm-(pdta-d8) –– Application to sub-micro mol samples International-presentation
Chirality 2006 / ISCD-18 2006/06
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水溶性キラルランタニドシフト試薬によるα,α-二置換-α-アミノ酸およびN-メチル-α-アミノ酸のキラリティー識別
シンポジウム「モレキュラー・キラリティー2006(MC2006)」 2006/05
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Sm-(pdta-d8) 錯体を用いる α-アミノ酸の絶対配置決定法における測定試料の微量化
シンポジウム「モレキュラー・キラリティー2006(MC2006)」 2006/05
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キラルランタニドシフト試薬によるα,α-二置換アミノ酸の絶対配置識別
第23回希土類討論会 2006/05
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The First NMR Simultaneous Determination of the Absolute Configurations of Peptide Component α-Amino Acids International-presentation
Pacifichem 2005 2005/12
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A Unprecedented Octadecameric Crystal Structure of La(III)-bpba International-presentation
Pacifichem 2005 2005/12
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An NMR Differentiation of Chirality of Peptide C-terminals Using International-presentation
Pacifichem 2005 2005/12
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Examination of the Applicability of 19F CFTA Method to the Determination of the Absolute Configurations of Secondary Alcohols: the Effect of Alkyl Subbtituents on DeltaDeltadelta Values International-presentation
International Fluorine Conference in Toyama 2005/10
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Differentiation of Chirality of Peptide C-terminals by NMR Using Ce-bpba As a Chiral Shift Reagent for Aqueous Solution International-presentation
17th International Symposium on Chirality (ISCD-17) 2005/09
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エチレンジアミン骨格とカルボキシレート置換基を有する多座配位子の希土類イオンクラスターの構造
平成17年度 化学系学協会東北大会 2005/09
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ランタン(III)およびセリウム(III)のN,N'-ビス(2-ピリジルメチル)-N,N'-1,2-エタンジイルビスアラニン錯体(Ln-bpba)のキラルNMRシフト試薬としての性質と結晶構造
第22回希土類討論会 2005/05
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塩化[N,N'-ビス(2-ピリジルメチル)-N,N'-1,2-エタンジイルビスアラニナト]ランタン([La(III)-bpba]Cl)の結晶構造解析
日本化学会第85春季年会 2005/03
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エチレン架橋ビス[(N-ピリジルメチル)アラニン]配位子を持つ希土類錯体によるアミノ酸類のエナンチオマーシグナルの分離と絶対配置の相関
日本化学会第85春季年会 2005/03
Research Projects 7
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Education for Sustainable Development and Microscale Chemistry
OGINO Kazuko
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Scientific Research (C)
Institution: Tohoku University
2015/04/01 - 2018/03/31
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Introduction of Environmentally Benign Chemistry Experiments into Curriculum
OGINO Kazuko, OGINO Hiroshi, YOSHINO Teruo, SEKINE Tsutomu, SAWATARI Hideyuki, OMATA Kenji
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Scientific Research (C)
Institution: Tohoku University
2012/04/01 - 2015/03/31
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Studies on the Dissemination of Microscale Chemical Experiments which foster Logical Thinking and Creativity
OGINO Kazuko, SEKINE Tsutomu, OMATA Kenji, SAWATARI Hideyuki, YOSHINO Teruo, SAITOH Koichi
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Scientific Research (C)
Institution: Tohoku University
2009 - 2011
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Studies on the Systematization of Microscale Chemical Experiments which foster Logical Thinking and Creativity
OGINO Kazuko, SEKINE Tsutomu, OMATA Kenji, SHIBAHARA Hiroyasu, SAWATARI Hideyuki, YOSHINO Teruo, SAITOH Koichi, OGINO Hiroshi
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Scientific Research (C)
Institution: Tohoku University
2007 - 2008
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キラル配位子による巨大ランタニドクラスターの創生
甲 千寿子, 小俣 乾二
Offer Organization: 日本学術振興会
System: 科学研究費助成事業
Category: 萌芽研究
Institution: 東北大学
2006 - 2007
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Study about transition metal catalyzed organic reaction Competitive
System: The Other Research Programs
1999/04 -
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Study about the methods for determination of absolute configuration using NMR Competitive
System: The Other Research Programs
1995/04 -