Yasuo Yokoyama

J-GLOBAL         Last updated: Jul 12, 2019 at 11:32
 
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Name
Yasuo Yokoyama
Affiliation
Akita National College of Technology
Section
Department of Applied Chemistry

Research Areas

 
 

Academic & Professional Experience

 
Apr 2017
 - 
Today
Associate Professor, Department of Creative Systems Engineering, National Institute of Technology, Akita College
 
Apr 2013
 - 
Today
Part-time Lecturer, Faculty of Engineering Science, Akita University
 
Sep 2007
 - 
Mar 2017
Associate Professor, Department of Applied Chemistry, National Institute of Technology, Akita College
 
Apr 1999
 - 
Sep 2007
Lecuturer, Department of Chemistry, Faculty of Science and Technology, Sophia University
 
May 2005
 - 
Oct 2005
Postdoctoral Researcher, Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania
 

Education

 
Apr 1989
 - 
Mar 1994
Department of Chemistry, Faculty of Science, Kyushu University
 
Apr 1985
 - 
Mar 1989
Department of Chemistry, Faculty of Science, Kyushu University
 

Awards & Honors

 
Jun 2019
Listee, Marquis Who's Who in the World, Marquis Publications
 

Published Papers

 
Samarium(II) Dibromide-promoted Selective Deprotection of a Benzoyl Protective Group
Yasuo Yokoyama, Shun Oyamada, Jyunya Suzuki, Shou Maruyama, Takahiro Sakusabe, Shoko Suzuki
Synthetic Communications   48(9) 1025-1032   May 2018   [Refereed]
Efficient Solvent- and Catalyst-Free Syntheses of Imine Derivatives Applying the Pressure Reduction Technique: Remarkable Change of the Reaction Rate with the Phase Transition
Shoko Suzuki, Shujiro Sakaki, Shinji Ishizuka, Tomomichi Nishino, Hiroyuki Ito, Risehiro Nonaka, Motoyoshi Noike, Takeshi Kodama, Hajime Nozaka, Tsuneyuki Sato, Hitoshi Agematsu, Koichi Maruyama, Shun Oyamada, Takashi Kuroishi, Kazuma Sasaki, Kei Yagawa, Mami Yoshioka, Yasuo Yokoyama
Green and Sustainable Chemistry   8(2) 167-179   May 2018   [Refereed]
The Development of Novel and Effective Deprotection of the Ester-type Protective Group Using Samarium(II) Dibromide.
Jyunya Suzuki, Shoko Suzuki, Yasuo Yokoyama
The Fourth International Symposium on Technology for Sustainability (ISTS2014)   (346)    Nov 2014   [Refereed]
The Development of the Novel Deprotection Method of a Carbonate-type Protective Group by Use of Samarium(II) Dibromide.
Ryoya Hatakeyama, Jyunpei Ito, Shoko Suzuki, Yasuo Yokoyama
1st International Symposium on Technology for Sustainability (ISTS2011)   (CHE004) 154-157   Jan 2012   [Refereed]
Yasuo Yokoyama, Shoko Suzuki, Hiroshi Furuno, Junji Inanaga
Heterocycles   79 967-983   Apr 2009   [Refereed]
Yusuke Asano, Shoko Suzuki, Tadashi Aoyama, Kosuke Shimizu, Masatsugu Kajitani, Yasuo Yokoyama
Synthesis   1309-1314   May 2007   [Refereed]
Two types of cyanofluoromethylation using a combination of samarium(II) species and chlorofluoroacetonitrile combination has been developed. One is a samarium(II) dibromide promoted reaction at low temperature, whereas the second synthetic method ...
Molander G A, Yokoyama Y
The Journal of organic chemistry   71(6) 2493-2498   Mar 2006   [Refereed]
Shoko Suzuki, Hiroshi Furuno, Yasuo Yokoyama, Junji Inanaga
Tetrahedron Asymmetry   17 504-507   Feb 2006   [Refereed]
Novel chiral rare earth metal complexes bearing perfluorinated binaphthyl phosphate ligand RE[(R)-F8BNP]3 (RE = rare earth; F8BNP = 5,5′,6,6′,7,7′,8,8′-octafluoro-1,1′-binaph thyl-2,2′-diyl phosphate) have been synthesized and used as a catalyst f...
Mitsushiro Nomura, Mari Fujii, Katsura Fukuda, Toru Sugiyama, Yasuo Yokoyama, Masatsugu Kajitani
Journal of Organometallic Chemistry   690 1627-1637   Mar 2005   [Refereed]
The novel ruthenium dithiolene complexes [(arene)Ru{S2C 2(COOMe)2}] (arene = C6H6 (1a), C6H4(Me)(iPr) (1b), C6Me6 (1c)) were synthesized. The equilibrium between complex 1a and the corresponding dimer [(C6H6)Ru{S2C2(COOMe) 2}]2 (1a′) was confirmed...
Takushi Azemi, Yasuo Yokoyama, Yasuo Yokoyama, Kunio Mochida
Journal of Organometallic Chemistry   690 1588-1593   Mar 2005   [Refereed]
Group 14 element catenates such as di-, tri-, poly-germanes, and polystannanes are efficiently synthesized by use of the one-electron reducing agent SmI2 under mild homogeneous conditions in good yields. © 2005 Elsevier B.V. All rights reserved.
Yasuo Yokoyama, Rikiya Ohira, Hiroaki Tanaka, Shoko Suzuki, Masatsugu Kajitani
Synthetic Communications   34 2277-2287   Jul 2004   [Refereed]
Synthesis of cyanofluoromethylated ketones is discussed. The Michael addition of α-cyano-α-fluoromethyl anion species to α,β-unsaturated ketones is investigated.
Yasuo Yokoyama, Shoko Suzuki, Hyuma Furihata, Shunsuke Takahi, Mitsushiro Nomura, Masatsugu Kajitani
Synthesis   701-705   Apr 2004   [Refereed]
N,N-Diethyl 2-cyano-2-fluoro-2-(phenylthio)aceto-amide (1) reacts with germyl anion species to give the corresponding enolates effectively. When this active species was treated with an unsaturated organic halide in the presence of a catalytic amou...
Mitsushiro Nomura, Chikako Takayama, Chikako Takayama, Toru Sugiyama, Yasuo Yokoyama, Masatsugu Kajitani
Organometallics   23 1305-1312   Mar 2004   [Refereed]
Various types of cobaltadithiolene complexes having the sulfilimine structure CpCo[S(NTs)SC2(COOMe)2](PR3) were newly synthesized. The lifetimes of the sulfilimine complexes are influenced by the basicities and by the cone angles of PR3 ligands us...
Mitsushiro Nomura, Asuka Kawakita, Hideaki Katsuta, Chikako Takayama, Chikako Takayama, Toru Sugiyama, Yasuo Yokoyama, Masatsugu Kajitani
Journal of Organometallic Chemistry   681 180-188   Sep 2003   [Refereed]
In the reactions of cobaltadithiolene complexes [CpCo(S2 C2Z2)] (Z = CN, COOMe, Ph, Me) with aryl azides, two types of substitution reactions occurred. One is the replacements of the sulfur of cobaltadithiolene by arylimido groups and the other is...
Mitsushiro Nomura, Chikako Takayama, Chikako Takayama, Gerardo C. Janairo, Toru Sugiyama, Yasuo Yokoyama, Masatsugu Kajitani
Journal of Organometallic Chemistry   674 63-72   May 2003   [Refereed]
The reactions of the imido-bridged cobaltadithiolene complexes [CpCo{S2C2(COOMe)2}(NR)] (R=Ts, Ms) with PCl3 led to the imido-transfer reactions to the carbonyl moiety, and these reactions gave the novel imine complexes [CpCo{S2C2(COOMe)(C=NROMe)}...
Mitsushiro Nomura, Chikako Takayama, Gerardo C. Janairo, Toru Sugiyama, Yasuo Yokoyama, Masatsugu Kajitani
Organometallics   22 195-198   Jan 2003   [Refereed]
The mechanism of phosphine- and phosphite-induced migration of the imido group from sulfur to a Cp ring in a tosylimido-bridged cobaltadithiolene complex was investigated, and a probable intermediate was isolated and characterized. The presence of...
Yasuo Yokohama, Shuichi Takizawa, Masato Nanjo, Kunio Mochida
Chemistry Letters   1032-1033   Oct 2002   [Refereed]
Alcohols, amines, and thiols protected with a p-cyanobenzyl group can be easily and quantitatively deprotected using triethylgermyl sodium under mild conditions.
Yasuo Yokoyama, Yasuo Yokoyama, Takuya Tsuchikawa, Mikitaka Hiramatsu, Kunio Mochida
Main Group Metal Chemistry   23 691-693   Dec 2000   [Refereed]
Calcium vapor (atom) when co-condensed with THF reacts very smoothly with α-bromo- and α-chloroesters at -20 - -50 °C to afford enolates, which react with aldehydes to give good yields of β-hydroxyesters in high stereoselectivity after hydrolysis.
Mitsushiro Nomura, Takayoshi Yagisawa, Chikako Takayama, Toru Sugiyama, Yasuo Yokoyama, Kunio Shimizu, Akira Sugimori, Masatsugu Kajitani
Journal of Organometallic Chemistry   611 376-385   Oct 2000   [Refereed]
Three-membered cobaltathiaziridine rings are formed in the reactions of [CpCo{S2C2(COOMe)2)2}] either with some azides (RN3: p-toluenesulfonyl azide (TsN3), methanesulfonyl azide (MsN3), and ethyl azidoformate (EtOOCN3)) or with N-(phenyliodonio)-...
Yasuo Yokoyama, Takeshi Hanamoto, Xiu Lan Jin, Yong Zhi Jin, Junji Inanaga
Heterocycles   52 1203-1206   Mar 2000   [Refereed]
A perchloric acid solution in 1,4-dioxane and perfluorooctanesulfonic acid was found to be practical catalysts for the stereoselective glycosylation of 1-O-acetylglycosides. Either the α- or β-anomer of the disaccharide, methyl 2,3,4-tri-O-benzyl-...
Yasuo Yokoyama, Kunio Mochida
Synthesis   1319-1324   Jan 1999   [Refereed]
Various cyanofluoromethylated amides, thioamides, and phosphorus compounds were synthesized from the corresponding chlorides using a 2-fluoro- 2-phenylthio-2-phenylacetonitrile/Et3GeNa combination. These preparative reactions proceeded smoothly un...
Yasuo Yokoyama, Kunio Mochida
Synthesis   676-682   Jan 1999   [Refereed]
The chemoselective syntheses of various cyanofluoromethylene compounds proceeded through the formation of the cyanofluoromethyl anion from 2- fluoro-2-phenyl-2-phenyl-thioacetonitrile by the use of sodium triethylgermanate(IV) (Et3GeNa).
Kunio Mochida, Masamichi Hayakawa, Takuya Tsuchikawa, Yasuo Yokoyama, Masanobu Wakasa, Hisaharu Hayashi
Chemistry Letters   91-92   Dec 1998   [Refereed]
Several polystannanes were synthesized by the reaction of dichlorostannanes with samarium (II) diiodide and alkali earth metal (Mg, Ca) vapor-solvent cocondensates. Laser flash photolysis of the polystannane involved Sn-Sn bond homolysis to yield ...
Yasuo Yokoyama, Kunio Mochida
Chemical Communications   1093-1094   May 1998   [Refereed]
Various fluorinated homoallylic and homoprop-2-ynylic cyanides could be synthesized from 2-fluoro-2-phenylthio-2-phenylacetonitrile and some allylic or prop-2-ynylic chlorides in excellent yields by use of a germyl anion species.
Yasuo Yokoyama, Kunio Mochida
Synlett   37-38   Jan 1998   [Refereed]
Effective syntheses of 2-fluoro-2-methyl-3-hydroxypropionamide derivatives by use of a germyl anion species are described. These reactions proceeded smoothly to give the desired compounds in good to excellent yields and stereoselectivities.
Yasuo Yokoyama, Kunio Mochida
Synlett   1997 907-908   Dec 1997   [Refereed]
Various trifluoromethyl ketones were synthesized from the corresponding methyl esters by effective nucleophilic trifluoromethylation using an Et3GeNa/C6H5SCF3 combination. This trifluoromethylation proceeded chemoselectively. When, cyclohexyl, i-p...
Yasuo Yokoyama, Kunio Mochida
Tetrahedron Letters   38 3443-3446   May 1997   [Refereed]
Efficient synthesis of trifluoromethylated amine derivatives by use of an Et3GeNa/C6H5SCF3 combination is described. This reaction proceeded smoothly to give the desired compound in excellent yield.
Kunio Mochida, Hideo Sugimoto, Yasuo Yokoyama
Polyhedron   16 1767-1770   Mar 1997   [Refereed]
Polystyrene-supported organogermanium hydrides were prepared by functionalization of a polystyrene or by functionalization of a styrene followed by polymerization. The germyl groups were separated from the aromatic ring of polystyrene by methylene...
Yasuo Yokoyama, Kunio Mochida
Synlett   1996 445-446   Dec 1996   [Refereed]
Et3GeNa/SmCl3 complex is a useful strong base for the stereoselective aldol condensation of various ketones and amides.
Yasuo Yokoyama, Kunio Mochida
Synlett   1996 1191-1192   Dec 1996   [Refereed]
We developed the effective formation of trifluoromethyl anion species from C6H5SCF3 by use of Et3GeNa. Various substrates, such as, alkyl, aryl and unsaturated aldehydes could be transformed to the corresponding α-trifluoromethylated carbinols in ...
Hanamoto T, Sugimoto Y, Yokoyama Y, Inanaga J
The Journal of organic chemistry   61(13) 4491-4492   Jun 1996   [Refereed]
Yasuo Yokoyama, Masamichi Hayakawa, Takushi Azemi, Kunio Mochida
Journal of the Chemical Society, Chemical Communications   2275   Dec 1995   [Refereed]
Some Group 14 element catenates such as tri- or poly-germanes and polystannanes are synthesized by use of the one-electron reducing agent Sml 2.
Kunio Mochida, Hiroyasu Suzuki, Michihiko Nanba, Tsuyoshi Kugita, Yasuo Yokoyama
Journal of Organometallic Chemistry   499 83-88   Sep 1995   [Refereed]
Metal-free trimethylgermyl anions were prepared by cleavage of the GeSi bond of (trimethylsily)trimethylgermane and the GeGe bond of hexamethyldigermane with tetrabutylammonium fluoride (TBAF) in hexamethylphosphoric triamide (HMPA). The reactions...
Yasuo Yokoyama, Kunio Mochida
Journal of Organometallic Chemistry   499    Sep 1995   [Refereed]
The complex Et3GeNaYCl3 (3:1) as a new strong base reacted with variety of ketones to yield the corresponding enolate anions in good yields. © 1995.
Medium- and large-ring formation by the samarium(II)-promoted intramolecular pinacol coupling reaction.
Junji Inanaga, Yasuo Yokoyama, Takeshi Hanamoto
MEMOIRS OF THE FACULTY OF SCIENCE KYUSHU UNIVERSITY Series C Chemistry   19 123-124   Oct 1994   [Refereed]
Ytterbium(III) perchlorate as a catalytic promoter of the glycosylation of 1-O-methoxyacetyl sugars with alcohols.
Junji Inanaga, Yasuo Yokoyama, Takeshi Hanamoto
MEMOIRS OF THE FACULTY OF SCIENCE KYUSHU UNIVERSITY Series C Chemistry   19 125-128   Oct 1994   [Refereed]
The Development of New Methodologies for the Facile Synthesis of O-and S-Glycosides.
Yasuo Yokoyama
Kyushu University      Mar 1994   [Refereed]
Junji Inanaga, Junji Inanaga, Yasuo Yokoyama, Takeshi Hanamoto
Journal of the Chemical Society, Chemical Communications   1090-1091   Dec 1993   [Refereed]
O-Protected 1-hydroxy sugars are effectively cross-coupled with a variety of alcohols and thiols to give the corresponding glycosides by using methoxyacetic acid and ytterbium(III) trifluoromethanesulfonate [Yb(OTf) 3] as catalytic promoters.
A MNDO-PM3 study on the selective activation of 1-O-methoxyacetyl sugars by zinc(II) or ytterbium(III) ion.
Junji Inanaga, Yasuo Yokoyama, Yuichi Sugimoto, Takeshi Hanamoto
MEMOIRS OF THE FACULTY OF SCIENCE KYUSHU UNIVERSITY Series C Chemistry   19 29-32   Oct 1993   [Refereed]
Study on the catalytic activities of lanthanoid(III) triflates in the glycosylation of 1-O-methoxyacetyl sugar.
Junji Inanaga, Yasuo Yokoyama, Takeshi Hanamoto
Nihon Kagaku Kaishi   516-517   May 1993   [Refereed]
Junji Inanaga, Yasuo Yokoyama, Takeshi Hanamoto
Tetrahedron Letters   34 2791-2794   Apr 1993   [Refereed]
The reactions of 1-O-methoxyacetyl sugars with alcohols or thiols were effectively promoted by a catalytic amount of lanthanoid(III) triflates such as Tb(OTf)3, Ho(OTf)3, Tm(OTf)3, and Yb(OTJ)3 to give the corresponding glycosides in good to excel...
Junji Inanaga, Yasuo Yokoyama, Takeshi Hanamoto
Chemistry Express   8 165-168   Mar 1993   [Refereed]
Acrylate containing diphenylethioporphyrin (DPE) was synthesized, and the polymerizability was examined by its radical polymerization and its copolymerization with MMA. The homopolymerization did not occur at 60°C, but copolymers were obtained by ...
Junji Inanaga, Yasuo Yokoyama, Takeshi Hanamoto
Chemistry Letters   85-88   Jan 1993   [Refereed]
Junji Inanaga, Yuichi Sugimoto, Yasuo Yokoyama, Takeshi Hanamoto
Tetrahedron Letters   33 8109-8112   Dec 1992   [Refereed]
Generation and fragmentation of the C1-alkoxy radicals of pyranose derivatives are nicely promoted by (diacetoxyiodo)benzene or lead tetraacetate in the presence of iodine catalyst under mild conditions to give the corresponding mixed-acetal forma...
Junji Inanaga, Yasuo Yokoyama, Yuichi Handa, Yuichi Handa, Masaru Yamaguchi, Masaru Yamaguchi
Tetrahedron Letters   32 6371-6374   Oct 1991   [Refereed]
Medium- as well as large-sized carbocyclic compounds whose ring skeletons are composed entirely of sp3 carbons have been prepared in high yields under mild conditions by utilizing SmI2-promoted intramolecular Reformatsky reaction. © 1991.
Selective conjugate reduction of a,b-unsaturated esters and amides via a samarium diiodide-promoted electron transfer process.
Junji Inanaga, Shino Sakai, Yuichi Handa, Masaru Yamaguchi, Yasuo Yokoyama
Chemistry Letters   2117-2118   Sep 1991   [Refereed]
Junji Inanaga, Yasuo Yokoyama, Yoshiyasu Baba, Yoshiyasu Baba, Masaru Yamaguchi, Masaru Yamaguchi
Tetrahedron Letters   32 5559-5562   Sep 1991   [Refereed]
Alkynes were selectively reduced to cis-olefins under mild conditions by Sml2 in admixture with first-row transition metal catalysts and appropriate proton donors, in which the corresponding transition metal hydrides are presumed as the reactive s...
I. Medium- and Large-Sized Carbocycle Formation by Means of SmI2-Promoted Intramolecular Reformatsky Reaction. II. Utility of 3,4-Dimethoxybenzyl (DMPM) Glycoside. A new Glycosylation Triggered by DDQ Oxidation.
Yasuo Yokoyama
Kyushu University      Mar 1991   [Refereed]
Transition metal-catalyzed stereoselective reduction of triple bonds with samarium iodide.
Yokoyama Y, Baba Y, Inanaga J, Yamaguchi M
Kidorui   14 160-161   1989   [Refereed]

Conference Activities & Talks

 
Development of the Asymmetric Conjugate Addition Using the Chiral Rare Earth Organophosphate: Catalytic Syntheses of Optically Active Fluorinated Amino Acid Derivatives.
Shoko Suzuki, Yasuo Yokoyama
99 annual meeting of the Chemical Society of Japan   16 Mar 2019   
The Development of Novel Deprotection Method of Ester-type Protective Group Using Samarium(II) Dibromide as a One-electron Reducing Agent 1PB-107
Shun Oyamada, Shoko Suzuki, Yasuo Yokoyama
97 annual meeting of the Chemical Society of Japan   16 Mar 2017   
The Development of Novel and Effective Deprotection of the Ester-type Protective Group Using Samarium(II) Dibromide.
Suzuki J, Suzuki S, Yokoyama Y
The Fourth International Symposium on Technology for Sustainability   19 Nov 2014   
臭化サマリウム(II)を用いた化学選択的脱保護法の開発
鈴木惇哉, 鈴木祥子, 横山保夫
日本化学会講演予稿集   8 Mar 2013   
キラル希土類ルイス酸触媒を用いた4,4,4‐トリフルオロクロトン酸誘導体に対するaza‐Michael付加反応の開発
鈴木祥子, 横山保夫, 古野裕史, 鬼束聡明, 稲永純二
日本化学会講演予稿集   8 Mar 2013   
低原子価サマリウム化合物を用いたシクロプロピル化反応の開発
横山保夫, 鈴木祥子, 平澤賢悟
化学系学協会東北大会プログラムおよび講演予稿集   15 Sep 2012   
The Development of the Novel Deprotection Method of a Carbonate-type Protective Group by Use of Samarium(II) Dibromide.
Hatakeyama R, Ito J, Suzuki, S, Yokoyama Y
1st International Symposium on Technology for Sustainability   26 Jan 2012   
Deprotection method through the chemoselective cleavage of benzoyloxy group using samarium(II) dibromide.
Hosaka T, Yosua F G, Tsushima M, Yokoyama Y, Suzuki S
PACIFICHEM2010   15 Dec 2010   
Efficient cyclopropylation of carbonyl compounds and imines using low-valent samarium spiecies.
Nitta A, Noro D, Tsushima M, Yokoyama Y, Suzuki S
PACIFICHEM2010   15 Dec 2010   
Super Acid Salts of Rare Earths: Tandem Catalysis in the O-Glycosylation of 1-Hydroxy Sugers.
Yokoyama Y, Hanamoto T, Suzuki S, Shimizu K, Hasegawa T, Furuno T, Inanaga J
The 12th Japan-Korea Symposium on Catalysis   14 Oct 2009   
電子不足N‐ヘテロ環カルベン配位子の合成
大越誠, 佐藤徹雄, 大井秀一, 横山保夫
化学系学協会東北大会プログラムおよび講演予稿集   19 Sep 2009   
置換‐CpCo(ジチオカルバマト)I錯体の合成とジアゾ化合物との反応
白土さやか, 鈴木孝史, 横山保夫, 杉山徹, 梶谷正次
錯体化学討論会講演要旨集   10 Sep 2007   
ジチオロン化合物と”CpCo(I)”種との反応による新規なコバルタジチオレン錯体の合成
桝井達哉, 小林雄介, 杉山徹, 堀越智, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   10 Sep 2007   
液晶性の発現が期待できるコバルタジチオレン錯体の合成と性質
森亜希子, 和田純一, 横山保夫, 杉山徹, 梶谷正次
錯体化学討論会講演要旨集   10 Sep 2007   
Investigation of Efficient Cyclopropylation by Use of Samarium(II) Dibromide as a Reducing Agent
清水宏祐, 横山保夫, 梶谷正次
希土類   10 May 2007   
Stereoselective Synthesis of Bromoolefin Compound Using Low-valent Samarium Species
荒井泰弘, 横山保夫, 梶谷正次
希土類   10 May 2007   
サマリウム2価化学種を用いた立体選択的ブロモオレフィン類の合成法
荒井泰弘, 横山保夫, 梶谷正次
日本化学会講演予稿集   12 Mar 2007   
コバルタジチオレン錯体を含むシクロメタル化されたイリジウムおよび白金錯体の合成と特性
寺田航介, 稲葉絵里, 梶谷正次, 横山保夫, 杉山徹
日本化学会講演予稿集   12 Mar 2007   
希土類元素化合物を還元剤として用いた簡便なシクロプロピルユニットの導入法の検討
清水宏祐, 横山保夫, 梶谷正次
日本化学会講演予稿集   12 Mar 2007   
サマリウム2価化学種を用いた含フッ素ラクトン環の簡便構築法の開発
高辻和久, 横山保夫, 梶谷正次
フッ素化学討論会講演要旨集   9 Nov 2006   
Suzuki‐Miyauraクロスカップリング反応を鍵反応とするパーフルオロアルキル化物のOne‐pot合成法の開発
横山保夫, 鈴木祥子, 梶谷正次
フッ素化学討論会講演要旨集   9 Nov 2006   
2‐ベンゾチアゾリル基を有する新規コバルタジチオレン錯体の合成とその物性評価
原田範夫, 藤田千佳子, 横山保夫, 杉山徹, 梶谷正次
錯体化学討論会講演要旨集   8 Sep 2006   
Co,Rh,Irを中心金属とするジチオカルバマト錯体の合成と反応性
中島宏和, 白土さやか, 藤田千佳子, 横山保夫, 杉山徹, 梶谷正次
錯体化学討論会講演要旨集   8 Sep 2006   
置換基にアゾ結合をもった新規なコバルタジチオレン錯体の合成と物性評価
和田純一, 森亜希子, 藤田千佳子, 横山保夫, 杉山徹, 梶谷正次
錯体化学討論会講演要旨集   8 Sep 2006   
メタラジチオレン配位子を有する新しいポルフィラジン錯体の合成と性質
吉光克麿, 岡部馨, 塚野絵里子, 藤田千佳子, 横山保夫, 杉山徹, 梶谷正次
錯体化学討論会講演要旨集   8 Sep 2006   
マイクロ波を用いた有機金属錯体の合成
大森直子, 堀越智, 藤田千佳子, 横山保夫, 杉山徹, 梶谷正次
錯体化学討論会講演要旨集   8 Sep 2006   
Preparation and Application of Chiral Rare Earth Complex Catalysts Having a Perfluorinated Organophosphate Ligand
鈴木祥子, 古野裕史, 横山保夫, 稲永純二
希土類   23 May 2006   
マイクロ波照射によるコバルタジチオレン錯体の迅速合成
大森直子, 喜多篤史, 野村光城, 藤田千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2005   
置換基にアゾ結合を有するコバルタジチオレン錯体の合成とその性質
和田純一, 原田範夫, 野村光城, 藤田千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2005   
オルトメタル化された新規イリジウムおよび白金錯体の合成と発光
稲葉絵里, 竹内太佑, 野村光城, 藤田千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2005   
マイクロ波を用いたシクロペンタジエニルコバルタ錯体の合成とその選択性
喜多篤史, 大森直子, 野村光城, 藤田千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2005   
Co,Rh,Irを中心金属とするジチオカルバマト錯体の反応性
中島宏和, 野村光城, 藤田千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2005   
メタラジチオレン配位子を有する新規なポルフィラジン錯体の合成と性質
吉光克磨, 岡部馨, 野村光城, 藤田千佳子, 横山保夫, 杉山徹, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2005   
The Development of Novel Cyanofluoromethylation by Use of Low-valent Samarium Species
浅野裕介, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2005   
Reformatsky-type Reaction of Chlorofluoroester by Use of Dihalogenated Samarium Species
高辻和久, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2005   
The Development of Efficient Synthesis of Fluorinated Phosphine Oxide Derivative
伊藤剛, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2005   
含フッ素キラル希土類錯体触媒を用いた不斉フッ素化反応
鈴木祥子, 古野裕史, 横山保夫, 稲永純二
フッ素化学討論会講演要旨集   4 Nov 2004   
鈴木カップリング反応を利用したコバルタジチオレン錯体の置換基変換
三留佳郎, 野村光城, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2004   
オルトメタル化された新規イリジウムおよび白金錯体の合成と性質
稲葉絵里, 南部達郎, 野村光城, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2004   
マイクロ波を利用したメタラジチオレン錯体の迅速合成
喜多篤史, 大森直子, 吉光克麿, 野村光城, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2004   
Cycloaddition and electrochemical behavior of penta-coordinated ruthenium dithiolene complexes
野村光城, 藤井麻理, 福田桂, 杉山徹, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2004   
Development of Effective Synthesis of Cyanofluoroamine Derivative Using the Fluorophenylthionitrile
塙晋吾, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2004   
Development of Chemoselective Addition of .ALPHA.-Fluorocarbanion Species
田中宏明, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2004   
Development of Efficient Syntheses of Fluorinated ketoamide Using Organogermanium Species
石井喬, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2004   
Development of Effective Syntheses of Fluorinated Hydroxyketone Derivatives Using Samarium(II) Species
今井博和, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2004   
Effective Synthesis of Organophosphorus Compound Having Fluorine Atom by Use of Samarium(II) dibromide as an Activator
伊藤剛, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2004   
チオエステル類を用いるα‐フルオロ‐β‐ケトアミド類の簡便合成法の開発
石井喬, 横山保夫, 梶谷正次
フッ素化学討論会講演要旨集   20 Nov 2003   
臭化サマリウム(II)を還元剤として用いたReformatsky型反応:有機フッ素化合物の合成への応用
今井博和, 横山保夫, 梶谷正次
フッ素化学討論会講演要旨集   20 Nov 2003   
有機ゲルマニウム種を用いた含フッ素ヘテロ環化合物の簡便合成法
高日俊輔, 横山保夫, 梶谷正次
フッ素化学討論会講演要旨集   20 Nov 2003   
フルオロフェニルチオニトリルを出発原料とするα‐シアノ‐α‐フルオロアミン類の合成法の開発
塙晋吾, 田中宏明, 横山保夫, 梶谷正次
フッ素化学討論会講演要旨集   20 Nov 2003   
α‐フルオロカルバニオン種の化学選択的付加反応の開発
田中宏明, 横山保夫, 梶谷正次
フッ素化学討論会講演要旨集   20 Nov 2003   
サマリウム2価化学種を活性化剤として用いたフッ素化有機リン化合物の合成
伊藤剛, 横山保夫, 梶谷正次
フッ素化学討論会講演要旨集   20 Nov 2003   
16電子配位不飽和な金属中心を有するルテニウムジチオレン錯体の合成と性質
野村光城, 藤井麻理, 福田桂, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   10 Sep 2003   
パラフェニレン基を有するジチオラト金属錯体の合成と性質
三留佳郎, 野村光城, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   10 Sep 2003   
2,2′‐ビピリジンを置換基に有する新規な複核コバルタジチオレン錯体の合成と性質
奥山良子, 林信彦, 猪瀬智子, 野村光城, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   10 Sep 2003   
フラーレン骨格を有するコバルタジチオレン錯体の合成と電気化学的挙動
楠井亜季子, 野村光城, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   10 Sep 2003   
ニトロシル配位子を有する新規モリブダジチオレン錯体の合成と性質
榊壮一, 島田祐臣, 野村光城, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   10 Sep 2003   
液晶性の発現が期待される含硫黄金属錯体の合成と性質
田辺会梨, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   10 Sep 2003   
Imido migration to the cyclopentadienyl ring in cobaltadithiolene complex
野村光城, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
日本化学会講演予稿集   3 Mar 2003   
ヨウ化サマリウム(II)による還元的脱硫反応を利用したモノフルオロエノラート種の簡便調製法
横山保夫, 原田剛, 長田環, 梶谷正次
フッ素化学討論会講演要旨集   14 Nov 2002   
コバルタジチオレン錯体を触媒とする有機フッ素化合物の合成法の開発:種々の有機ハロゲン化物を求電子剤として用いるシアノフルオロアミド類の合成
横山保夫, 高日俊輔, 鈴木祥子, 梶谷正次
フッ素化学討論会講演要旨集   14 Nov 2002   
化学選択的シアノフルオロメチレーションの開発 1:トリエチルゲルミルナトリウムを反応剤として用いるα,β‐不飽和アルデヒドに対するシアノフルオロメチルアニオン種の選択的1,4‐付加
大平力也, 横山保夫, 田中宏明, 梶谷正次
フッ素化学討論会講演要旨集   14 Nov 2002   
サマリウム(III)イオンを対カチオンとするシアノフルオロエノラートの反応性:新規シアノフルオロアミド類の簡便合成法
横山保夫, 鈴木純次, 降畑飛馬, 梶谷正次
フッ素化学討論会講演要旨集   14 Nov 2002   
化学選択的シアノフルオロメチレーションの開発 2:ヨウ化サマリウム(II)を反応剤として用いるα,β‐不飽和アルデヒドに対するシアノフルオロメチルアニオン種の選択的1,2‐付加
横山保夫, 田中宏明, 大平力也, 梶谷正次
フッ素化学討論会講演要旨集   14 Nov 2002   
シアノフルオロアミドエノラートの反応性:種々のカルボニル化合物との反応
横山保夫, 降畑飛馬, 鈴木純次, 梶谷正次
フッ素化学討論会講演要旨集   14 Nov 2002   
新規α‐フルオロ‐β‐ケトアミド類の高効率合成法の開発;モノフルオロエノラート種の求核反応
小林武, 横山保夫, 梶谷正次
フッ素化学討論会講演要旨集   14 Nov 2002   
液晶性を示す新規ジチオレン錯体の合成
田辺会梨, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2002   
The Development of Novel Synthesis of Fluorinated Organic Compound by Use of Samarium(II) Species.
降畑飛馬, 鈴木祥子, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2002   
Syntheses and properties of novel cobaltadithiolene complexes containing cycloheptatrienyl(tropolonato or hinokitiolato) ligand.
今村文昭, 野村光城, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2002   
Electrochemical Behavior of Norbornene-Bridged Metalladithiolene Complexes.
島田祐臣, 野村光城, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2002   
Incorporation of sulfur atoms derived from sulfur dioxide into dinuclear molybdenum complexes.
近藤三紗子, 生田目卓治, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2002   
Electrochemical Dissociation of Nickeladithiolene Complex Having Benzyl Groups.
野村光城, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2002   
The Development of Novel Organic Synthesis Using Cobaltadithiolene Complex: Synthesis of Cyanofluoroamide.
鈴木祥子, 降畑飛馬, 横山保夫, 高山千佳子, 杉山徹, 梶谷正次
日本化学会講演予稿集   11 Mar 2002   
Syntheses and Properties of Novel Cobaltadithiolene Complexes Having a 2,2'-bipyridyl Unit.
林信彦, 猪瀬智子, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2002   
Syntheses and Properties of Novel Ortho-Metalated Iridium Complexes.
竹内太佑, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
日本化学会講演予稿集   11 Mar 2002   
Effect Preparation of fluorinated speacies by Use of the Germyl Anion Species: Michael Reaction of the Cyanofluorophenylmethyl Anion Species.
横山保夫, 大平力也, 梶谷正次
フッ素化学討論会講演要旨集   19 Nov 2001   
Novel Samarium(II) Diiodide-promoted Cyanofluorophenylmethylation.
横山保夫, 岩佐哲郎, 梶谷正次
フッ素化学討論会講演要旨集   19 Nov 2001   
The Development of Novel Samarium. (ii). Species-promoted Preparation of Cyanofluoromethyl Anion Species.
横山保夫, 降畑飛馬, 梶谷正次
フッ素化学討論会講演要旨集   19 Nov 2001   
Effective Syntheses of Fluorinated Carbinols and Amines by Use of the Germyl Anion Species.
横山保夫, 小林武, 梶谷正次
フッ素化学討論会講演要旨集   19 Nov 2001   
Development of Novel Synthesis of Cyanofluoroamides Using Cobaltadithiolene Complexes.
鈴木祥子, 横山保夫, 梶谷正次
フッ素化学討論会講演要旨集   19 Nov 2001   
The Development of the Preparation of Mono-fluorinated Enolate Species by Use of Samarium(II) Diiodide.
横山保夫, 小林武, 長田環, 梶谷正次
フッ素化学討論会講演要旨集   19 Nov 2001   
Electrochemical behavior of square planar metalladithiolene complexes with various organic compounds attached.
野村光城, 島田祐臣, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2001   
Syntheses of Novel Cobaltadithiolene Complexes with functionalities.
竹内太佑, 鈴木会理子, 豊田佳子, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2001   
Syntheses and the Peculiar Behavior of Cobaltadithiolene Complexes Having Heterocyclic Units.
金森麻美, 日高麻美, 舘野直樹, 山口芳乃, 高山千佳子, 杉山徹, 横山保夫, 杉森彰, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2001   
Syntheses and Their Functions of Novel Chiral Cobaltadithiolene Complexes.
小西孝治, 高山千佳子, 横山保夫, 杉山徹, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2001   
Reactions of Cobaltadithiolene Complexes with Aryl Azide Compounds.
川北明日香, 野村光城, 杉山徹, 横山保夫, 杉森彰, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2001   
Rearrangement reaction of imido-bridged cobaltadithiolene complex induced by Lewis bases.
野村光城, 八木沢敬良, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
日本化学会講演予稿集   15 Mar 2001   
Radical Substitution Reaction in Cobaltadithiolene Rings with Disulfides.
小黒寛樹, 前島和明, 杉山徹, 横山保夫, 杉森彰, 梶谷正次
日本化学会講演予稿集   15 Mar 2001   
Electrochemical behavior and rearrangement of the tree component adduct which formed by reaction of the imido-bridged cobaltadithiolene complex with phosphine.
野村光城, 高山千佳子, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2000   
Formation of sulfur bridged dinuclear complex that the use of metal carbonyl complex and sulfur compound.
生田目卓治, 杉山徹, 横山保夫, 梶谷正次
錯体化学討論会講演要旨集   1 Sep 2000   
Syntheses and Physical Properties of Novel Chiral Cobaltadithiolene Complexes.
小西孝治, 横山保夫, 杉山徹, 梶谷正次
日本化学会講演予稿集   15 Mar 2000   
Syntheses, Physical Properties and Reactivities of Novel Cationic Cobaltadithiolene Complexes.
鈴木祥子, 山沢英人, 竹内啓子, 杉山徹, 横山保夫, 杉森彰, 梶谷正次
日本化学会講演予稿集   15 Mar 2000   
Electrochemical Behavior of Imido-Bridged Cobaltadithiolene Complexes.
野村光城, 八木沢敬良, 高山千佳子, 杉山徹, 横山保夫, 杉森彰, 梶谷正次
日本化学会講演予稿集   15 Mar 2000   
Syntheses of Novel Cobaltadithiolene Complexes Starting from [Zn(dmit)2]2- Complex.
鈴木会理子, 豊田佳子, 高山千佳子, 杉山徹, 横山保夫, ALEA G, JANAIRO G, 杉森彰, 梶谷正次
日本化学会講演予稿集   15 Mar 2000   
Radical Substitution Reactions on Metaladithiolene.
丸山幸一, 前島和明, 小黒寛樹, 阿久津恵理, 杉山徹, 横山保夫, 杉森彰, 梶谷正次
日本化学会講演予稿集   15 Mar 2000   
Synthesis and Reactivities of Germanium-aluminium Bonds.
瀬川淳一, 南条真佐人, 持田邦夫, 横山保夫
日本化学会講演予稿集   15 Mar 2000   
Reactions of Cobaltadithiolene Complexes with 4-Fluoro-3-nitrophenyl azide(FNPA).
川北明日香, 野村光城, 勝田英明, 八木沢敬良, 杉山徹, 横山保夫, 杉森彰, 梶谷正次
日本化学会講演予稿集   15 Mar 2000   
Effect of Group 14 Element Compound in the Radical Substitution Reaction.
横山保夫, 服部憲次, 杉山徹, 杉森彰, 梶谷正次
日本化学会講演予稿集   15 Mar 2000   
Mechanistic Investigation of Friedel-Crafts Reactions Catalyzed by Graphite.
志村重輔, 関健一, 高山千佳子, 杉山徹, 横山保夫, 小泊満生, 杉森彰, 梶谷正次
日本化学会講演予稿集   15 Mar 2000   
Syntheses and Properties of Novel Cobaltadithiolene Complexes Having Pyridyl Groups.
金森麻美, 舘野直樹, 高山千佳子, 杉山徹, 横山保夫, 杉森彰, 梶谷正次
日本化学会講演予稿集   15 Mar 2000   

Patents

 
特開2003-73389 : Preparation of cobaltadithiolene complexes.
Kajitani M, Yokoyama Y, Takayama C, Konishi K, Nozato S