komeyama kimihiro

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Name
komeyama kimihiro
Nickname
komeyama
E-mail
kkomehiroshima-u.ac.jp
Affiliation
Hiroshima University
Research funding number
80432681
ORCID ID
0000-0001-7111-2112

Education

 
1998
 - 
2000
Applied Chemistry, Kinki University
 
2000
 - 
2002
Applied Chemistry, Faculty of Engineering, Hiroshima University
 
2004
 - 
2006
Graduate School of Engineering, Graduate School of Engineering, Hiroshima University
 

Academic & Professional Experience

 
2006
   
 
Assistant Professor, Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University
 
2010
   
 
Visiting Scientist, Luwdwig-Maximilians University (Prof. Paul Knochel), Germany, JSPS
 

Association Memberships

 
 

Awards & Honors

 
2010
Special Lecture for Young Chemists in 90th CSJ Spring Annual Meeting
 
2013
Conica Minolta Company Award in Synthetic Organic Chemistry, Japan
 
Feb 2018
Incentive Award in Synthetic Organic Chemistry, Japan
 

Published Papers

 
Kimihiro Komeyama,* Yuta Yamahata, Itaru Osaka
Org. Lett.   20(14) 4375-4378   Jul 2018   [Refereed]
Kimihiro Komeyama Yuta Yamahata Itaru Osaka
Organic Letters   20(5) 1457-1460   Feb 2018   [Refereed]
A reductive nickel-catalyzed bis-allylation of alkynes with allyl acetates has been developed, leading to 1,4,7-triene skeletons. This reductive bis-allylation proceeds under mild conditions and exhibits good functional group tolerance in both the...
Kimihiro Komeyama, Shunsuke Sakiyama, Kento Iwashita, Itaru Osaka, Ken Takaki
Beilstein J. Org. Chem.   14 1413-1420   Jun 2018   [Refereed][Invited]
Komeyama Kimihiro, Ohata Ryo, Kiguchi Shinnosuke, Osaka Itaru
CHEMICAL COMMUNICATIONS   53(48) 6401-6404   Jun 2017   [Refereed]
Kimihiro Komeyama, Ryo Ohata, Shinnosuke Kiguchi, Itaru Osaka
Chem. Commun.      Apr 2017   [Refereed]
Reductive cross-coupling of aryl halides with ubiquitous alkyl tosylates was developed using a combination of nickel and vitamin B12 (VB12: cyanocobalamin) catalysts. The tosylate was activated by reduced VB12 to form alkyl cobalt(III), which serv...
Mikie, Tsubasa; Kawashima, Kazuaki; Komeyama, Kimihiro; Yoshida, Hiroto; Osaka, Itaru
CHEMISTRY LETTERS   46(8) 1193-1196   Aug 2017   [Refereed]
Naphthobispyrazine (NPz), a family of naphthalene-based electron-deficient fused heteroaromatic rings, and its derivatives including a polymer are efficiently synthesized via the ring-opening reaction of corresponding naphthobisthiadiazole derivat...
Komeyama, Kimihiro; Itai, Yuuhei; Takaki, Ken
CHEMISTRY-A EUROPEAN JOURNAL   22(27) 9130-9134   Jun 2016   [Refereed]
A practical and scalable nickel-catalyzed allylic stannylation of allyl acetates with Bu3SnOMe is described. A variety of acyclic and cyclic allyl acetates, even with base-sensitive moieties, undergoes the stannylation by using NiBr2/4,4'-di-tert-...
Takaki, Ken; Hino, Makoto; Ohno, Akira; Komeyama, Kimihiro; Yoshida, Hiroto; Fukuoka, Hiroshi
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY   13 1816-1822   Aug 2017   [Refereed]
Thiazolium carbene-catalyzed reactions of 1,2-diketones and 1,2,3-triketones with enones and ynones have been investigated. The diketones gave alpha, beta-double acylation products via unique Breslow intermediates isolable as acid salts, whereas t...
Komeyama, Kimihiro;Kiguchi, Shinnosuke;Takaki, Ken
CHEMICAL COMMUNICATIONS   52(43) 7009-7012   2016   [Refereed]
Komeyama, Kimihiro; Asakura, Ryota; Fukuoka, Hiroshi; Takaki, Ken
Tetrahedron Lett.   56(13) 1735-1737   Mar 2015   [Refereed]
CoBr2/P(OMe)Ph-2 is found to be an effective catalyst-system for intermolecular bisbenzylation of allcynes with various benzyl bromides in the presence of manganese reductant. The transformation can be carried out under mild conditions, giving ris...
Fujiwara, Makoto; Sakamoto, Masanori; Komeyama, Kimihiro; Yoshida, Hiroto; Takaki, Ken
J. Heterocyclic Chem.   52(1) 59-66   Jan 2015   [Refereed]
2-Amino-4H-chromenes were synthesized in moderate to good yields by the reaction of o-quinone methides photochemically generated from o-(dimethylaminomethyl)phenols with malononitrile. This method was applicable to the synthesis of fluorinated chr...
Formation of Carbon-Carbon and Carbon-Heteroatom Bonds with Iron- and Bismuth Complexes
Komeyama Kimihiro, Takaki Ken
JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN   73(1) 18-32   Jan 2015   [Refereed]
Takaki, Ken; Ohno, Akira; Hino, Makoto; Shitaoka, Takashi; Komeyama, Kimihiro; Yoshida, Hiroto
Chem. Commun.   50(82) 12285-12288   Oct 2014   [Refereed]
Thiazolium carbene-catalyzed reaction of aromatic 1,2-diketones with enones in aprotic solvents gave double acylation products in good yields, whereas hydroacylation products formed by Stetter reaction were not detected at all. These results sugge...
Komeyama, Kimihiro;Asakura, Ryota;Takaki, Ken
ORGANIC & BIOMOLECULAR CHEMISTRY   13(32) 8713-8716   2015   [Refereed]
Komeyama, Kimihiro; Okamoto, Yuji; Takaki, Ken
Angew. Chem. Int. Ed.   53(42) 11325-11328   Oct 2014   [Refereed]
A formal [4+2] cycloaddition of ,-dichloro-ortho-xylenes with various alkynes has been developed using a low-valent cobalt catalyst. The transformation has a wide substrate scope and high functional-group tolerance and led to 1,4-dihydronaphthalen...
Komeyama, Kimihiro;Nagao, Yuya;Abe, Manabu;Takaki, Ken
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   87(2) 301-313   Feb 2014   [Refereed]
Komeyama, Kimihiro; Kashihara, Tetsuya; Takaki, Ken
Tetrahedron Lett.   54(9) 1084-1086   Feb 2013   [Refereed]
FeSO4 center dot 7H(2)O was proven to work as effective promoter for the direct arylation of benzoquinones with aryl boronic acids in the presence of K2S2O8. In the arylation, slow addition of iron solution was crucial to efficiently proceed with ...
Komeyama, Kimihiro; Kashihara, Tetsuya; Takaki, Ken
Tetrahedron Lett.   54(42) 5659-5662   Oct 2013   [Refereed]
A cobalt-catalyzed approach for the concise synthesis of naphthalenes by the annulation of aryl iodides with allcynes is disclosed. In the reaction, manganese reductant and MeCN solvent are necessary to proceed efficiently, which tolerates various...
Komeyama, Kimihiro; Yamada, Takahiro; Igawa, Ryoichi; Takaki, Ken
CHEMICAL COMMUNICATIONS   48(51) 6372-6374   2012   [Refereed]
Borderline metal catalysts, Bi(OTf)(3) and Fe(OTf)(3), were proven to work as dual activators for alkynes and N,O-acetals via sigma,pi-chelation, which achieved a new carboarylation reaction of alkynylarenes with N,O-acetals.
Takaki, Ken; Fujii, Toshifumi; Yonemitsu, Hosei; Fujiwara, Makoto; Komeyama, Kimihiro; Yoshida, Hiroto
TETRAHEDRON LETTERS   53(31) 3974-3976   Aug 2012   [Refereed]
Hetero-Diels-Alder reaction of alpha-hydroxy-o-quinodimethanes photochemically generated from o-tolualdehydes with trifluoromethyl ketones gave a mixture of hemiacetals and hydroxyaldehydes in fairly good yields. Their subsequent oxidation with PC...
Steib, Andreas K.; Thaler, Tobias; Komeyama, Kimihiro; Mayer, Peter; Knochel, Paul
Angew. Chem. Int. Ed.   50(14) 3303-3307   2011   [Refereed]
Komeyama, Kimihiro; Ohama, Yuuki; Takaki, Ken
Chem. Lett.   40(10) 1103-1104   Oct 2011   [Refereed]
Bi(OTt)(3) was found to be an effective catalyst for a tandem condensation/cyclization of acyloins and beta-diketones or beta-keto esters to afford highly substituted furans in good yields.
Takaki, Ken; Shiraishi, Kazuhiro; Okinaga, Kosuke; Takahashi, Shintaro; Komeyama, Kimihiro
RSC Adv.   1(9) 1799-1807   2011   [Refereed]
It has been found for the first time that the imidazole carbene-catalyzed reaction of alpha,beta-unsaturated aldehydes with unactivated enones gives two kinds of pyranones, 1 : 1 and 1 : 2 adducts, instead of cyclopentenes and cyclopentanones. The...
Komeyama, Kimihiro; Aihara, Kiyoto; Kashihara, Tetsuya; Takaki, Ken
Chem. Lett.   40(11) 1254-1256   Nov 2011   [Refereed]
Direct sulfenylation and selenylation of phenols using a stoichiometric amount of FeCl3 under an oxygen atmosphere has been developed. The chalcogenated phenols were shown to be suitable for preparing S- and Se-containing compounds using the react...
Komeyama, Kimihiro;Kouya, Yuusuke;Ohama, Yuuki;Takaki, Ken
CHEMICAL COMMUNICATIONS   47(17) 5031-5033   2011   [Refereed]
Komeyama, Kimihiro; Igawa, Ryoichi; Takaki, Ken
Chem. Commun.   46(10) 1748-1750   2010   [Refereed]
Fe(OTf)(3) effectively catalyzed intramolecular hydroarylation of aryl-substituted alkynes with electron-deficient arenes under mild conditions.
Sakae, Ryosuke; Yamamoto, Yuta; Komeyama, Kimihiro; Takaki, Ken
Chem. Lett.   39(3) 276-277   Mar 2010   [Refereed]
Regio- and stereoselective hydrophosphination of propargylic ethers with diphenylphosphine has been achieved using three-component catalyst, LiN(SiMe3)(2)/1,3-dimethylimidazol-2-ylidene/Ti(NMe2)(4) (10 mol % of each).
Komeyama, Kimihiro; Miyagi, Motoyoshi; Takaki, Ken
Chem. Lett.   38(3) 224-225   Mar 2009   [Refereed]
Bi(OTf)(3) was found to be a good catalyst for the direct synthesis of multi substituted pyrroles from the readily accessible 2-propynylamine and activated methylene compounds in which the bismuth played two roles: sigma- and pi-activations.
Komeyama, Kimihiro; Igawa, Ryoichi; Morimoto, Takayuki; Takaki, Ken
Chem. Lett.   38(7) 724-725   Jul 2009   [Refereed]
Fe(OTf)(3), was found to be a good catalyst for the cyclization of alkenyl N,O-acetals to give various nitrogen-containing heterocycles in high yields.
Komeyama, Kimihiro; Saigo, Natsuko; Miyagi, Motoyoshi; Takaki, Ken
Angew. Chem. Int. Ed.   48(52) 9875-9878   2009   [Refereed]
Komeyama, Kimihiro;Miyagi, Motoyoshi;Takaki, Ken
HETEROATOM CHEMISTRY   19(6) 644-648   2008   [Refereed]
Komeyama, Kimihiro;Takahashi, Keita;Takaki, Ken
CHEMISTRY LETTERS   37(6) 602-603   Jun 2008   [Refereed]
Komeyama, Kimihiro;Takahashi, Keita;Takaki, Ken
ORGANIC LETTERS   10(22) 5119-5122   Nov 2008   [Refereed]
Komeyama, Kimihiro; Morimoto, Takayuki; Nakayama, Yuushou; Takaki, Ken
Tetrahedron Lett.   48(18) 3259-3261   Apr 2007   [Refereed]
Cationic iron complexes are effective catalysts for intramolecular hydroalkoxylation for unactivated olefins under mild conditions to form the corresponding cyclic ethers in excellent yield. (c) 2007 Elsevier Ltd. All rights reserved.
Takaki Ken, Koizumi Sadayuki, Yamamoto Yuta, Komeyama Kimihiro
TETRAHEDRON LETTERS   48(26) 4643-4644   Jun 2007   [Refereed]
Komeyama, Kimihiro; Mieno, Yasuhiro; Yukawa, Syotaro; Morimoto, Takayuki; Takaki, Ken
Chem. Lett.   36(6) 752-753   Jun 2007   [Refereed]
Cationic iron salts were found to be good catalysts for intra- and intermolecular addition of carboxylic acids to olefins, which afforded the corresponding esters in good yields.
Takaki, K; Komeyama, K; Kobayashi, D; Kawabata, T; Takehira, K
J. Alloy. Comp.   408 432-436   2006   [Refereed]
Intermolecular hydrophosphination of alkynes with Ph2PH was effectively catalyzed by Yb-imine complex [Yb(eta(2)-Ph2CNPh)(hmpa)31, in which the empirical rate law was described as v = k [catalyst](2)[alkyne](1)[phosphine](0). The active catalysts ...
Komeyama, K; Kobayashi, D; Yamamoto, Y; Takehira, K; Takaki, K
Tetrahedron   62(11) 2511-2519   2006   [Refereed]
Dual intermolecular hydrophosphination of conjugated diynes with 2 equiv of diphenylphosphine was catalyzed by ytterbium complexes, Yb(eta(2)-Ph(2)CNPh)(hmpa)(3) (1) and Yb[N(SiMe(3))(2)](3)(hmpa)(2) (2), to give the corresponding 1,4-bis(diphenyl...
Komeyama, Kimihiro;Morimoto, Takayuki;Takaki, Ken
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   45(18) 2938-2941   2006   [Refereed]
Takaki, Ken;Koizumi, Sadayuki;Yamamoto, Yuta;Komeyama, Kimihiro
TETRAHEDRON LETTERS   47(41) 7335-7337   Oct 2006   [Refereed]
Komeyama, K; Kawabata, T; Takehira, K; Takaki, K
J. Org. Chem.   70(18) 7260-7266   2005   [Refereed]
[GRAPHICS] Rare-earth silylamides, Ln[N(SiMe3)(2)](3) (Ln = Y, La, Sm), catalyzed regio- and stereoselective dimerization of terminal alkynes in the presence of amine additives to give conjugated enynes in high yields. The additives played a cruci...
Photocatalytic oxidation of alkanes with dioxygen by visible light and Copper(II) and Iron(III) chlorides: Preference oxidation of alkanes over alcohols and ketones.
Bull. Chem. Soc. Jpn.   77(12) 2251-2255   2004   [Refereed]
Novel regio- and stereoselective dimerization of terminal alkynes catalyzed by rare-earth silylamide.
Synthesis   (7) 1062-1066   2004   [Refereed]
Intermolecular hydrophosphination of alkynes and related carbon-carbon multiple bonds catalyzed by organoytterbiums.
J. Org. Chem.   68(17) 6554-656   2003   [Refereed]
Takaki, K; Komeyama, K; Takehira, K
Tetrahedron   59(52) 10381-10395   2003   [Refereed]
Ytterbium and samarium metals reduced aromatic ketimines to give directly divalent azalanthanacyclopropane complexes 1 quantitatively, the structure of which was characterized by X-ray analysis. The imine complexes 1 catalyzed dehydrogenative sily...
Komeyama, Kimihiro; Tsunemitsu, Ryusuke; Michiyuki, Takuya; Yoshida, Hiroto; Osaka, Itaru
MOLECULES   24(8)    Apr 2019   [Refereed]
A direct reductive homo-coupling of alkyl tosylates has been developed by employing a combination of nickel and nucleophilic cobalt catalysts. A single-electron-transfer-type oxidative addition is a pivotal process in the well-established nickel-c...
Teshima, Yoshikazu; Saito, Masahiko; Fukuhara, Tomohiro; Mikie, Tsubasa; Komeyama, Kimihiro; Yoshida, Hiroto; Ohkita, Hideo; Osaka, Itaru
ACS APPLIED MATERIALS & INTERFACES   11(26) 23410-23416   Jul 2019   [Refereed]
N-type (electron-transporting) semiconducting polymers are essential materials for the development of truly plastic electronic devices. Here, we synthesized for the first time dithiazolylthienothiophene bisimide (TzBI), as a new family for imide-b...
Kimihiro Komeyama, Takuya Michiyuki, Itaru Osaka
ACS Catalysis   9(10) 9285-9291   Sep 2019   [Refereed]
The C(sp3)-C(sp3) cross-coupling of alkyl halides with alkyl tosylates has been developed by employing a combination of nickel and nucleophilic cobalt catalysts in the presence of manganese reductant. This method provides a practical and straightf...