Takashi Ohshima

Overview

Best Publications

• Asymmetric Heck Reaction

  Masakatsu Shibasaki;Erasmus M. Vogl;Takashi Ohshima

  410
  Citations

• Asymmetric alkynylation of aldehydes catalyzed by an In(III)/BINOL complex.

  Ryo Takita;Kenichiro Yakura;Takashi Ohshima;Masakatsu Shibasaki

  299
  Citations

• Yeast KEX2 gene encodes an endopeptidase homologous to subtilisin-like serine proteases

  Kensaku Mizuno;Tomoko Nakamura;Takehiro Ohshima;Shoji Tanaka

  279
  Citations

• Direct catalytic asymmetric aldol reaction: Synthesis of either syn-or anti-α,β-dihydroxy ketones

  Naoki Yoshikawa;Naoya Kumagai;Shigeki Matsunaga;Guido Moll

  254
  Citations

• Platinum-catalyzed direct amination of allylic alcohols under mild conditions: ligand and microwave effects, substrate scope, and mechanistic study.

  Takashi Ohshima;Yoshiki Miyamoto;Junji Ipposhi;Yasuhito Nakahara

  225
  Citations

• Stable, Storable, and Reusable Asymmetric Catalyst: A Novel La-linked-BINOL Complex for the Catalytic Asymmetric Michael Reaction

  Yun Sik Kim;Shigeki Matsunaga;Jagattaran Das;Akihiro Sekine

  213
  Citations

• SOLID AND SOLUTION PHASE SYNTHESIS AND BIOLOGICAL EVALUATION OF COMBINATORIAL SARCODICTYIN LIBRARIES

  K. C. Nicolaou;Nicolas Charles Winssinger;D. Vourloumis;T. Ohshima

  210
  Citations

• Enantio‐ and Diastereoselective Catalytic Mannich‐Type Reaction of a Glycine Schiff Base Using a Chiral Two‐Center Phase‐Transfer Catalyst

  Akihiro Okada;Tomoyuki Shibuguchi;Takashi Ohshima;Hyuma Masu

  209
  Citations

• Catalytic Asymmetric Epoxidation of Enones Using La−BINOL−Triphenylarsine Oxide Complex: Structural Determination of the Asymmetric Catalyst

  Tetsuhiro Nemoto;Takashi Ohshima;Kentaro Yamaguchi;Masakatsu Shibasaki

  209
  Citations

• Development of new asymmetric two-center catalysts in phase-transfer reactions

  Tomoyuki Shibuguchi;Yuhei Fukuta;Yoko Akachi;Akihiro Sekine

  208
  Citations

• Enzyme-like chemoselective acylation of alcohols in the presence of amines catalyzed by a tetranuclear zinc cluster.

  Takashi Ohshima;Takanori Iwasaki;Yusuke Maegawa;and Asako Yoshiyama

  197
  Citations

• Enantioselective Total Synthesis of (−)-Strychnine Using the Catalytic Asymmetric Michael Reaction and Tandem Cyclization

  Takashi Ohshima;Youjun Xu;Ryo Takita;Satoshi Shimizu

  192
  Citations

• Asymmetric Heck Reaction−Carbanion Capture Process. Catalytic Asymmetric Total Synthesis of (−)-Δ9(12)-Capnellene

  Takashi Ohshima;Katsuji Kagechika;Midori Adachi;Mikiko Sodeoka

  191
  Citations

• Lanthanum(III) triflate catalyzed direct amidation of esters.

  Hiroyuki Morimoto;Risa Fujiwara;Yuhei Shimizu;Kazuhiro Morisaki

  189
  Citations

• A new entry in catalytic alkynylation of aldehydes and ketones: dual activation of soft nucleophiles and hard electrophiles by an indium(III) catalyst.

  Ryo Takita;Yuhei Fukuta;Riichiro Tsuji;Takashi Ohshima

  170
  Citations

• Sodium methoxide: a simple but highly efficient catalyst for the direct amidation of esters.

  Takashi Ohshima;Yukiko Hayashi;Kazushi Agura;Yuka Fujii

  163
  Citations

• Unprecedented halide dependence on catalytic asymmetric hydrogenation of 2-aryl- and 2-alkyl-substituted quinolinium salts by using Ir complexes with difluorphos and halide ligands.

  Hiroshi Tadaoka;Damien Cartigny;Takuto Nagano;Tushar Gosavi

  163
  Citations

• Linked-BINOL: An Approach towards Practical Asymmetric Multifunctional Catalysis

  Shigeki Matsunaga;Takashi Ohshima;Masakatsu Shibasaki

  161
  Citations

• Direct use of allylic alcohols for platinum-catalyzed monoallylation of amines.

  Masaru Utsunomiya;Yoshiki Miyamoto;Junji Ipposhi;Takashi Ohshima

  160
  Citations

• Catalytic asymmetric epoxidation of α,β-unsaturated amides: Efficient synthesis of β-aryl α-hydroxy amides using a one-pot tandem catalytic asymmetric epoxidation - Pd-catalyzed epoxide opening process

  Tetsuhiro Nemoto;Hiroyuki Kakei;Vijay Gnanadesikan;Shin Ya Tosaki

  153
  Citations