Shuji Kanemasa

Overview

Best Publications

• Highly Enantioselective Catalytic Fluorination and Chlorination Reactions of Carbonyl Compounds Capable of Two‐Point Binding

  Norio Shibata;Junji Kohno;Kazumi Takai;Takehisa Ishimaru

  348
  Citations

• Lewis Acid-Catalyzed Enantioselective Hydroxylation Reactions of Oxindoles and β-Keto Esters Using DBFOX Ligand

  Takehisa Ishimaru;Norio Shibata;Jun Nagai;Shuichi Nakamura

  294
  Citations

• Transition-Metal Aqua Complexes of 4,6-Dibenzofurandiyl-2,2‘-bis(4-phenyloxazoline). Effective Catalysis in Diels−Alder Reactions Showing Excellent Enantioselectivity, Extreme Chiral Amplification, and High Tolerance to Water, Alcohols, Amines, and Acids

  Shuji Kanemasa;Yoji Oderaotoshi;Shin Ichi Sakaguchi;Hidetoshi Yamamoto

  242
  Citations

• Recent Advances in Azomethine Ylide Chemistry

  Otohiko Tsuge;Shuji Kanemasa

  233
  Citations

• Recent advances in synthetic applications of nitrile oxide cycloaddition (1981-1989)

  Shuji Kanemasa;Otohiko Tsuge

  208
  Citations

• ASYMMETRIC CONJUGATE ADDITION OF THIOLS TO A 3-(2-ALKENOYL)-2-OXAZOLIDINONE CATALYZED BY THE DBFOX/PH AQUA COMPLEX OF NICKEL(II) PERCHLORATE

  Shuji Kanemasa;and Yoji Oderaotoshi;Eiji Wada

  189
  Citations

• Lithium bromide-triethylamine induced cycloaddition of N-alkylidene 2-amino esters and amides to electron-deficient olefins with high regio- and stereoselectivity

  Otohiko Tsuge;Shuji Kanemasa;Manabu Yoshioka

  182
  Citations

• Simple generation of nonstabilized azomethine ylides through decarboxylative condensation of α-amino acids with carbonyl compounds via 5-oxazolidinone intermediates

  Otohiko Tsuge;Shuji Kanemasa;Masayuki Ohe;Shigeori Takenaka

  163
  Citations

• Highly Endo- and Enantioselective Asymmetric Nitrone Cycloadditions Catalyzed by the Aqua Complex of 4,6-Dibenzofurandiyl-2,2‘-bis(4-phenyl- oxazoline)−Nickel(II) Perchlorate. Transition Structure Based on Dramatic Effect of MS 4A on Selectivities

  Shuji Kanemasa;Yoji Oderaotoshi;Junji Tanaka;Eiji Wada

  159
  Citations

• Cationic Aqua Complexes of the C2-Symmetric trans-Chelating Ligand (R,R)-4,6-Dibenzofurandiyl-2,2′-bis(4-phenyloxazoline). Absolute Chiral Induction in Diels-Alder Reactions Catalyzed by Water-Tolerant Enantiopure Lewis Acids

  Shuji Kanemasa;Yoji Oderaotoshi;Hidetoshi Yamamoto;Junji Tanaka

  159
  Citations

• Desymmetrization-like catalytic enantioselective fluorination of malonates and its application to pharmaceutically attractive molecules.

  Dhande Sudhakar Reddy;Norio Shibata;Jun Nagai;Shuichi Nakamura

  152
  Citations

• Enantioselective Michael Additions of Nitromethane by a Catalytic Double Activation Method Using Chiral Lewis Acid and Achiral Amine Catalysts

  Unknown

  114
  Citations

• Chiral DBFOX/Ph complex catalyzed enantioselective nitrone cycloadditions to alpha,beta-unsaturated aldehydes.

  Moto Shirahase;Shuji Kanemasa;Yoji Oderaotoshi

  109
  Citations

• Enantioselective Enol Lactone Synthesis under Double Catalytic Conditions

  Unknown

  92
  Citations

• Cornerstone works for catalytic 1,3-dipolar cycloaddition reactions

  Shuji Kanemasa

  89
  Citations

• A new general route to N-protonated azomethine ylides from N-(silylmethyl)amidines and -thioamides. Cycloaddition of synthetic equivalents of nitrile ylides

  Otohiko Tsuge;Shuji Kanemasa;Koyo Matsuda

  89
  Citations

• Lewis acid-catalyzed nitrone cycloadditions to bidentate and tridentate α,β-unsaturated ketones. High rate acceleration, absolutely endo-selective and regioselective reactions

  Shuji Kanemasa;Takashi Uemura;Eiji Wada

  89
  Citations

• Regioselective cycloadditions of N-protonated azomethine ylides and 2-azaallyl anions generated from N-(silylmethyl) thioimidates, synthetic equivalents of nonstabilized nitrile ylides

  Otohiko Tsuge;Shuji Kanemasa;Toshiaki Yamada;Koyo Matsuda

  85
  Citations

• Enantioselective Michael addition reactions of malononitrile catalyzed by chiral Lewis acid and achiral amine catalysts

  Kennosuke Itoh;Yoji Oderaotoshi;Shuji Kanemasa

  82
  Citations

• Stereochemical study on 1,3-dipolar cycloaddition reactions of heteroaromatic N-ylides with unsymmetrically substituted olefinic dipolarophiles

  Otohiko Tsuge;Shuji Kanemasa;Shigeori Takenaka

  80
  Citations

• Stereoselectivity of Cydoaddition of N-(Cyanomethyl)- and N-(α-Cyanobenzyl)imines with Olefinic Dipolarophiles. Synthetic Equivalents of Nitrile Ylide 1,3-Dipoles

  Otohiko Tsuge;Kazunori Ueno;Shuji Kanemasa;Kiyotaka Yorozu

  77
  Citations

• Synthetic Versatility of N-(Silylmethyl)imines: Water-Induced Generation of N-Protonated Azomethine Ylides of Nonstabilized Type and Fluoride-Induced Generation of 2-Azaallyl Anions

  Otohiko Tsuge;Shuji Kanemasa;Akira Hatada;Koyo Matsuda

  75
  Citations