List of Publications
2008
- Highly s-trans or s-cis Selective Catalytic Asymmetric Hydrogenation of Piperitenone: Alternative Practical Synthesis of (-)-Menthol.
T. Ohshima, H. Tadaoka, K. Hori, N. Sayo, and K. Mashima
Chem. Eur. J., 14, 2060-2066 (2008).
- Enzyme-Like Chemoselective Acylation of Alcohols in the Presence of Amines Catalyzed by a Tetranuclear Zinc Cluster.
T. Ohshima, T. Iwasaki, Y. Maegawa, A. Yoshiyama, and K. Mashima
J. Am. Chem. Soc., 130, 2944-2945 (2008)
- Stepwise Synthesis of Iridium(III) Complexes with Imdazolium-based Carbene Ligands.
C.-H. Chien, S. Fujita, S. Yamoto, T. Hara, T. Yamagata, M. Watanabe, and K. Mashima
Dalton Trans., 916-923 (2008)
2007
- Novel Ir-SYNPHOS® and Ir-DIFLUORPHOS® Catalysts for Asymmetric Hydrogenation of Quinolines.
C. Deport, M. Buchotte, K. Abecassis, H. Tadaoka, T. Ayad, T. Ohshima, J.-P. Genet, K. Mashima, and V. Ratovelomanana-Vidal
Synth. Lett., 2743-2747 (2007).
- Benzylation of α-Diimine Ligands Bound to Zirconium and Hafnium. A New Convenient Route to Olefin Polymerization Catalysts.
K. Mashima, R. Ohnishi, T. Yamagata, and H. Tsurugi
Chem. Lett., 36, 1420-1421 (2007).
- Linear Metal-Metal Bonded Tetranuclear M-Mo-Mo-M Complexes (M = Ir and Rh): Oxidative Metal-Metal Bond Formation in a Tetrametallic System and 1,4-Addition Reaction of Alkyl Halides.
M. Ohashi, A. Shima, T. Rueffer, and K. Mashima
Inorg. Chem., 46 (16), 6702-6714 (2007).
- Preferential Geometry and Reactivity of Neutral Iridium(III) and Rhodium(III) Complexes Having the PN Heterochelate Flexible Ligand.
T. Hara, T. Yamagata, K. Mashima, and Y. Kataoka
Organometallics, 26, 110-118 (2007).
- Formation of Dative Bond between Pt(0) and Mo(II) in Linear Pt(0)-Mo(II)-Mo(II)-Pt(0) Complexes, Mo(II)2Pt(0)2(pyphos)4(PR3)2, and Unique 1,4-Oxidative Addition Reaction of Diaryl Disulfides Giving Mo(II)2Pt(I)2(pyphos)4(SAr)2 (pyphos = 6-Diphenylphsphino-2-pyridonato).
K. Mashima, Y. Simoyama, Y. Kusumi, A. Fukumoto, T. Yamagata, M. Ohashi
Eur. J. Inorg. Chem., 235-238 (2007).
- Tetraplatinum Precursors for Supramolecular Assemblies: Regioselective Syntheses, Crystal Structures, and Self-assemblies of [Pt4(μ-OCOCH3)6(μ-Ar NCHNAr)2] and [Pt4(μ-OCOCH3)6 (κ4-N4-DArBp)] (DArBp = 1,3-bis(arylbenzamidinate) propane).
M. Ohashi, A. Yagyu, T. Yamagata, and K. Mashima
Chem. Commun., 3103-3105 (2007).
- Direct Use of Allyl Alcohols for Platiunm-Catalyzed Monoallylation of Amines.
M. Utsunomiya, Y. Miyamoto, J. Ipposhi, T. Ohshima, and K. Mashima
Org. Lett., 9, 3371-3374 (2007).
- Olefin Polymerization Catalyst Derived by Activation of a Neutral Monoalkyl Titanium Complex with an Aminopyrrole Ligand using Triisobutylaluminum and Trityl Borate.
T. Yasumoto, T. Yamagata, and K. Mashima
Chem. Lett., 36, 1030-1031 (2007).
- Synthesis and characterization of titanium alkyl, oxo, and diene complexes bearing a SiMe2-bridged phenoxy-cyclopentadienyl ligand and their catalytic performance for copolymerization of ethylene and 1-hexene.
H. Hanaoka, T. Hino, M. Nabika, T. Kohno, K. Yanagi, Y. Oda, A. Imai, and K. Mashima
J. Organomet. Chem., special issue for Prof. Erker , 692, 4717-4724 (2007).
2006
- Oxidative Addition of RCO2H and HX to Chiral Diphosphine Complexes of Iridium(I): Convenient Synthesis of Mononuclear Halo-carboxylato-iridium(III) Complexes and Cationic Dinuclear Halogen-triply-bridged Iridium(III) Complexes and Their Catalytic Performance for Asymmetric Hydrogenation of Cyclic Imines and 2-Phenylquinoline.
T. Yamagata, H. Tadaoka, M. Nagata, T. Hirao, Y. Kataoka, V. Ratovelomanana-Vidal, J. P. Genet, and K. Mashima
Organometallics, 25, 2505-2513 (2006).
- Synthesis and Characterization of Homoenolate Complexes of Tantalum and Tungstenum.
H. Tsurugi, T. Ohno, and K. Mashima
Organometallics, 25, 3179-3189 (2006)
- Direct Conversion of Esters, Lactones, and Carboxylic Acids to Oxazolines Catalyzed by Tetranuclear Zinc Cluster.
T. Ohshima, T. Iwasaki, and K. Mashima
Chem. Commun., 2711-2713 (2006).
- Preparation and Characterization of Iminopyrrolyl Hafnium Complexes as Catalyst Precursors for a-Olefin Polymerization.
H. Tsurugi, Y. Matsuo, and K. Mashima
J. Mol. Catal. A.: Chem., 254, 131-137 (2006).
- Hexapalladium Cluster: Unique Cluster Construction Reaction of Cyclic Pd3(CNC6H3Me2-2,6)6 and Linear [Pd3(CNC6H3Me2-2,6)8]2+.
M. Ohashi, J.-J. Yi, D. Shimizu, T. Yamagata, T. Ohshima, and K. Mashima
J. Organometal. Chem., 691, 2457-2464 (2006).
- Modification of the n-Si(111) Surface with Alkyl Chains Having the Terminal C=C Double Bond.
M. Ohashi, S. Takabayashi, K. Mashima, and Y. Nakato
Chem. Lett., 35, 956-957 (2006).
- Metathesis Approach to Linkage of Two Tetraplatinum Cluster Units: Synthesis, Characterization, and Dimerization of Pt4(μ-OCOCH3)7[μ-OCO(CH2)nCH=CH2] (n = 0, 3).
M. Ohashi, A. Yagyu, and K. Mashima
Chem. Lett., 35, 954-955 (2006).
- Hafnocene Catalysts for Selective Propylene Oligomerization: Efficient Synthesis of 4-Methyl-1-pentene by b-Methyl Transfer.
Y. Suzuki, T. Yasumoto, K. Mashima, and J. Okuda
J. Am. Chem. Soc., 128, 13017-13025 (2006).
- Preparation and Characterization of a Zwitterionic (Iminopyrrolyl)zirconium Complex with Benzylaluminate Anion and Its Catalytic Performance for 1-Hexene Polymerization.
K. Tsurugi and K. Mashima
Organometallics, 25, 5210-5212 (2006).
- Tantalum Organometallics.
K. Mashima
Comprehensive Organometallic Chemistry-III, 5, 101-200 (2006).
- Unique Preferential Conformation and Movement of RuCp*Cl Fragment(s) Coordinated in an η4-s-cis Fashion to All Diene Unit(s) of α,ω-Diphenylpolyenes.
H. Fukumoto and K. Mashima
Eur. J. Inorg. Chem., 5006-5011 (2006).
- Surface Modification and Photoelectronic Characteristics of the n-Si(111) Electrodes with Brominated and Sulfonylated Alkyl Chains.
M. Ohashi, Y. Nakato, and K. Mashima
Chem. Lett., 35, 1360-1361 (2006).