Kenji Itoh

Research.com Recognitions

• 2017 - IEEE Fellow For contributions to microwave harmonic mixers and applications to mobile terminal devices

Overview

Best Publications

• Chiral and C2-symmetrical bis(oxazolinylpyridine)rhodium(III) complexes: effective catalysts for asymmetric hydrosilylation of ketones

  Hisao. Nishiyama;Hisao. Sakaguchi;Takashi. Nakamura;Mihoko. Horihata

  517
  Citations

• New Chiral Ruthenium bis(Oxazolinyl)Pyridine Catalyst - Efficient Asymmetric Cyclopropanation of Olefins with Diazoacetates

  Hisao Nishiyama;Yoshiki Itoh;Hideki Matsumoto;Soon-Bong Park

  516
  Citations

• Ruthenium(II)-catalyzed selective intramolecular [2 + 2 + 2] alkyne cyclotrimerizations.

  Yoshihiko Yamamoto;Takayasu Arakawa;Ryuji Ogawa;Kenji Itoh

  439
  Citations

• Highly enantioselective hydrosilylation of ketones with chiral and C2-symmetrical bis(oxazolinyl)pyridine-rhodium catalysts

  Hisao. Nishiyama;Manabu. Kondo;Takashi. Nakamura;Kenji. Itoh

  432
  Citations

• Cp*RuCl-Catalyzed [2 + 2 + 2] Cycloadditions of α,ω-Diynes with Electron-Deficient Carbon−Heteroatom Multiple Bonds Leading to Heterocycles

  Yoshihiko Yamamoto;Keisuke Kinpara;Tomoaki Saigoku;Hideyuki Takagishi

  339
  Citations

• Electronic substituent effect of nitrogen ligands in catalytic asymmetric hydrosilylation of ketones: chiral 4-substituted bis(oxazolinyl)pyridines

  Hisao Nishiyama;Shinobu Yamaguchi;Manabu Kondo;Kenji Itoh

  221
  Citations

• Ru(II)-Catalyzed Chemo- and Regioselective Cyclotrimerization of Three Unsymmetrical Alkynes through Boron Temporary Tether. One-Pot Four-Component Coupling via Cyclotrimerization/Suzuki−Miyaura Coupling

  Yoshihiko Yamamoto;Jun-ichi Ishii;Hisao Nishiyama;Kenji Itoh

  203
  Citations

• Silylmethyl radical cyclization: new stereoselective method for 1,3-diol synthesis from allylic alcohols

  Hisao Nishiyama;Toshio Kitajima;Makoto Matsumoto;Kenji Itoh

  200
  Citations

• Cp(*)RuCl-catalyzed formal intermolecular cyclotrimerization of three unsymmetrical alkynes through a boron temporary tether: regioselective four-component coupling synthesis of phthalides.

  Yoshihiko Yamamoto;Jun-Ichi Ishii;Hisao Nishiyama;Kenji Itoh

  188
  Citations

• Transition metal-catalyzed radical cyclizations: a low-temperature process for the cyclization of N-protected N-allyltrichloroacetamides to trichlorinated .gamma.-lactams and application to the stereoselective preparation of .beta.,.gamma.-disubstituted .gamma.-lactams

  Hideo Nagashima;Nobuyasu Ozaki;Masayuki Ishii;Koji Seki

  184
  Citations

• C60Pdn: the first organometallic polymer of buckminsterfullerene

  Hideo Nagashima;Akihito Nakaoka;Yahachi Saito;Masanao Kato

  179
  Citations

• Significant chemo- and regioselectivies in the Ru(II)-catalyzed [2+2+2] cycloaddition of 1,6-diynes with dicyanides.

  Yoshihiko Yamamoto;Ryuji Ogawa;Kenji Itoh

  178
  Citations

• Ruthenium‐Catalyzed Cycloaddition of 1,6‐Diynes and Nitriles under Mild Conditions: Role of the Coordinating Group of Nitriles

  Yoshihiko Yamamoto;Yoshihiko Yamamoto;Keisuke Kinpara;Ryuji Ogawa;Hisao Nishiyama

  176
  Citations

• Ruthenium(II)-catalyzed cycloaddition of 1,6-diynes with isocyanates leading to bicyclic pyridones.

  Yoshihiko Yamamoto;Hideyuki Takagishi;Kenji Itoh

  157
  Citations

• Ru(II)-Catalyzed Cycloadditions of 1,6-Heptadiynes with Alkenes: New Synthetic Potential of Ruthenacyclopentatrienes as Biscarbenoids in Tandem Cyclopropanation of Bicycloalkenes and Heteroatom-Assisted Cyclocotrimerization of 1,6-Heptadiynes with Heterocyclic Alkenes

  Yoshihiko Yamamoto;Hideaki Kitahara;Ryuji Ogawa;Hiroyuki Kawaguchi

  153
  Citations

• Preparation structure, and role of tetrakis(methoxycarbonyl)palladiacyclopentadiene cyclic diolefin complexes in selective palladium-catalyzed cyclocotrimerization of acetylenes with olefins

  Hiroharu Suzuki;Kenji Itoh;Yoshio Ishii;Kalman Simon

  150
  Citations

• Bis(1-3:5-6-η-cyclooctadienyl)ruthenium: Preparation, NMR spectroscopy, and isomerization to (η6-1,3,5-cyclooctatriene)(1-2:5-6-η-1,5-cyclooctadiene)ruthenium via the activation of a CH bond

  Kenji Itoh;Hideo Nagashima;Toshiyuki Ohshima;Noriaki Oshima

  138
  Citations

• Transition metal catalyzed radical cyclization: new preparative route to .gamma.-lactams from allylic alcohols via the [3.3]-sigmatropic rearrangement of allylic trichloroacetimidates and the subsequent ruthenium-catalyzed cyclization of N-allyltrichloroacetamides

  Hideo Nagashima;Hidetoshi Wakamatsu;Nobuyasu Ozaki;Tsutomu Ishii

  136
  Citations

• Ruthenium(II)-catalyzed isomer-selective cyclization of 1,6-dienes leading to exo-methylenecyclopentanes: unprecedented cycloisomerization mechanism involving ruthenacyclopentane(hydrido) intermediate.

  Yoshihiko Yamamoto;Yu-ichiro Nakagai;Naoki Ohkoshi;Kenji Itoh

  123
  Citations

• Palladium-catalysed desulphonylative vinylation of arenesulphonyl chlorides under solid–liquid phase-transfer conditions

  Masahiro Miura;Hideo Hashimoto;Kenji Itoh;Masakatsu Nomura

  114
  Citations

• Ruthenium(II)-catalyzed [2 + 2 + 2] cycloaddition of 1,6-diynes with electron-deficient nitriles

  Yoshihiko Yamamoto;Satoshi Okuda;Kenji Itoh

  112
  Citations

• Transition-metal-catalyzed radical cyclization: copper-catalyzed cyclization of allyl trichloroacetates to trichlorinated .gamma.-lactones

  Hideo Nagashima;Koji Seki;Nobuyasu Ozaki;Hidetoshi Wakamatsu

  111
  Citations

• Oxidative addition of allylic halides to ruthenium(II) compounds. Preparation, reactions, and x-ray crystallographic structure of ruthenium(IV)-allyl complexes

  Hideo Nagashima;Katsunori Mukai;Yusuke Shiota;Keitaro Yamaguchi

  111
  Citations