Kiyohiko Nakajima

Overview

Best Publications

• Cycloaddition Reaction of Zirconacyclopentadienes to Alkynes: Highly Selective Formation of Benzene Derivatives from Three Different Alkynes

  Tamotsu Takahashi;Zhenfeng Xi;Akiko Yamazaki;Yuanhong Liu

  254
  Citations

• Selective preparation of pyridines, pyridones, and iminopyridines from two different alkynes via azazirconacycles.

  Tamotsu Takahashi;Fu-Yu Tsai;Yanzhong Li;Hui Wang

  236
  Citations

• Palladium-Catalyzed peri-Selective Chalcogenation of Naphthylamines with Diaryl Disulfides and Diselenides via C–H Bond Cleavage

  Masayuki Iwasaki;Wataru Kaneshika;Yuta Tsuchiya;Kiyohiko Nakajima

  221
  Citations

• Crystal Structures of [VO(sal-L-ala)(OCH3)(CH3OH)] (sal-L-ala=N-salicylidene-L-alaninate) and {[VO(sal-L-ala)]2O}2·2CH2Cl2, and the Catalytic Activity of These and Related Complexes on Asymmetric Oxidation of Methyl Phenyl Sulfide with t-Butyl Hydroperoxide

  Kiyohiko Nakajima;Masaaki Kojima;Koshiro Toriumi;Kazuo Saito

  203
  Citations

• Preparation and characterization of optically active Schiff base-oxovanadium(IV) and -oxovanadium(V) complexes and catalytic properties of these complexes on asymmetric oxidation of sulfides into sulfoxides with organic hydroperoxides.

  Kiyohiko Nakajima;Katsuhide Kojima;Masaaki Kojima;Junnosuke Fujita

  203
  Citations

• Straightforward Method for Synthesis of Highly Alkyl-Substituted Naphthacene and Pentacene Derivatives by Homologation

  Tamotsu Takahashi;Masanori Kitamura;and Baojian Shen;Kiyohiko Nakajima

  200
  Citations

• Carbon−Carbon Bond Formation Reaction of Zirconacyclopentadienes with Alkynes in the Presence of Ni(II)-complexes

  Tamotsu Takahashi;Fu-Yu Tsai;Yanzhong Li;Kiyohiko Nakajima

  166
  Citations

• Proton-Induced Tuning of Electrochemical and Photophysical Properties in Mononuclear and Dinuclear Ruthenium Complexes Containing 2,2'-Bis(benzimidazol-2-yl)-4,4'-bipyridine: Synthesis, Molecular Structure, and Mixed-Valence State and Excited-State Properties.

  Masa-aki Haga;Md. Meser Ali;Shiro Koseki;Kaori Fujimoto

  160
  Citations

• Coupling reaction of zirconacyclopentadienes with dihalonaphthalenes and dihalopyridines: a new procedure for the preparation of substituted anthracenes, quinolines, and isoquinolines.

  Tamotsu Takahashi;Yanzhong Li;Petr Stepnicka;Masanori Kitamura

  157
  Citations

• Asymmetric oxidation of sulfides to sulfoxides by organic hydroperoxides with optically active Schiff base-oxovanadium(IV) catalysts

  Kiyohiko Nakajima;Masaaki Kojima;Junnosuke Fujita

  155
  Citations

• Chelate-Assisted Direct Selenation of Aryl C–H Bonds with Diselenides Catalyzed by Palladium

  Masayuki Iwasaki;Yuta Tsuchiya;Kiyohiko Nakajima;Yasushi Nishihara

  151
  Citations

• Homologation Method for Preparation of Substituted Pentacenes and Naphthacenes

  Tamotsu Takahashi;Shi Li;Wenying Huang;Fanzhi Kong

  133
  Citations

• Chromium-Mediated Synthesis of Polycyclic Aromatic Compounds from Halobiaryls

  Ken-ichiro Kanno;Yuanhong Liu;Atsushi Iesato;Kiyohiko Nakajima

  131
  Citations

• Selective Intermolecular Coupling of Alkynes with Nitriles and Ketones via beta,beta' Carbon-Carbon Bond Cleavage of Zirconacyclopentenes.

  Tamotsu Takahashi;Chanjuan Xi;Zhenfeng Xi;Motohiro Kageyama

  121
  Citations

• ZIRCONOCENE-MEDIATED INTRAMOLECULAR CARBON-CARBON BOND FORMATION OF TWO ALKYNYL GROUPS OF BIS(ALKYNYL)SILANES

  Zhenfeng Xi;Reinald Fischer;Ryuichiro Hara;Wen-Hua Sun

  117
  Citations

• Tetradentate Schiff base–oxovanadium(IV) complexes: structures and reactivities in the solid state

  Masaaki Kojima;Hideki Taguchi;Masanobu Tsuchimoto;Kiyohiko Nakajima

  117
  Citations

• Enantioselective Synthesis of Planar-Chiral Phosphaferrocenes by Molybdenum-Catalyzed Asymmetric Interannular Ring-Closing Metathesis

  Masamichi Ogasawara;Susumu Watanabe;Kiyohiko Nakajima;Tamotsu Takahashi

  112
  Citations

• Iron‐Induced Regio‐ and Stereoselective Addition of Sulfenyl Chlorides to Alkynes by a Radical Pathway

  Masayuki Iwasaki;Tomoya Fujii;Kiyohiko Nakajima;Yasushi Nishihara

  112
  Citations

• Synthesis of Benzoisoselenazolone Derivatives by Nickel-Catalyzed Dehydrogenative Direct Selenation of C(sp2)-H Bonds with Elemental Selenium in Air

  Masayuki Iwasaki;Natsumi Miki;Yuta Tsuchiya;Kiyohiko Nakajima

  105
  Citations

• Novel Syntheses of Eight-Membered-Five-Membered Fused-Ring Compounds from Zirconacyclopentadienes

  Tamotsu Takahashi;Martin Kotora;Kayoko Kasai;Noriyuki Suzuki

  104
  Citations

• Preparation and Characterization of Optically Active Quadridentate Schiff Base-Titanium(IV) Complexes and the Catalytic Properties of These Complexes on Asymmetric Oxidation of Methyl Phenyl Sulfide with Organic Hydroperoxides

  Caori Sasaki;Kiyohiko Nakajima;Masaaki Kojima;Junnosuke Fujita

  101
  Citations