D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Chemistry D-index 79 Citations 18,941 467 World Ranking 2147 National Ranking 133

Overview

What is he best known for?

The fields of study Koichiro Oshima is best known for:

  • Organic chemistry
  • Catalysis
  • Alkene

His scientific interests lie mostly in Organic chemistry, Medicinal chemistry, Combinatorial chemistry, Photochemistry and Polymer chemistry. His research on Palladium, Coupling reaction, Stereoselectivity and Triethylborane is centered around Catalysis. Koichiro Oshima performs integrative study on Alkyl and Aryl. Aryl and Alkyl are two areas of study in which Koichiro Oshima engages in interdisciplinary research. He integrates Reagent with Catalysis in his research. His Cobalt study frequently draws connections to other fields, such as Organic chemistry.

His most cited work include:

  • Reactions of alkenylchromium reagents prepared from alkenyl trifluoromethanesulfonates (triflates) with chromium(II) chloride under nickel catalysis (394 citations)
  • Et3B-induced radical addition of R3SnH to acetylenes and its application to cyclization reaction (321 citations)
  • Cobalt-Catalyzed Heck-Type Reaction of Alkyl Halides with Styrenes (228 citations)

What are the main themes of his work throughout his whole career to date

Koichiro Oshima spends much of his time researching Organic chemistry, Medicinal chemistry, Combinatorial chemistry and Stereochemistry. The study of Stereoselectivity and Palladium are components of his Catalysis research. Borrowing concepts from Catalysis, Koichiro Oshima weaves in ideas under Reagent. In his research, he performs multidisciplinary study on Alkyl and Aryl. While working on this project, he studies both Aryl and Alkyl. Koichiro Oshima performs integrative Halide and Organic chemistry research in his work.

Koichiro Oshima most often published in these fields:

  • Organic chemistry (95.77%)
  • Catalysis (80.89%)
  • Medicinal chemistry (59.36%)

What were the highlights of his more recent work (between 2009-2013)?

  • Organic chemistry (96.30%)
  • Catalysis (92.59%)
  • Medicinal chemistry (66.67%)

In recent works Koichiro Oshima was focusing on the following fields of study:

His Alkyl study focuses on Aryl and Trifluoromethyl. He combines Aryl and Alkyl in his research. He brings together Organic chemistry and Polymer chemistry to produce work in his papers. With his scientific publications, his incorporates both Catalysis and Malonate. As part of his studies on Medicinal chemistry, he frequently links adjacent subjects like Dithiane. His studies link Medicinal chemistry with Dithiane. He undertakes interdisciplinary study in the fields of Stereochemistry and Organic chemistry through his works. Acetic anhydride is often connected to Pummerer rearrangement in his work. His Pummerer rearrangement study typically links adjacent topics like Acetic anhydride.

Between 2009 and 2013, his most popular works were:

  • Synthesis of 3-Trifluoromethylbenzo[b]furans from Phenols via Direct Ortho Functionalization by Extended Pummerer Reaction (137 citations)
  • Allyl-, Allenyl-, and Propargyl-Transfer Reactions through Cleavage of CC Bonds Catalyzed by an N-Heterocyclic Carbene/Copper Complex: Synthesis of Multisubstituted Pyrroles (97 citations)
  • Reaction of 2-(2,2,2-Trifluoroethylidene)-1,3-dithiane 1-Oxide with Ketones under Pummerer Conditions and Its Application to the Synthesis of 3-Trifluoromethyl-Substituted Five-Membered Heteroarenes (86 citations)

In his most recent research, the most cited works focused on:

  • Organic chemistry
  • Catalysis
  • Nucleophile

Koichiro Oshima is involved in relevant fields of research such as Sigmatropic reaction and Dithiane in the domain of Medicinal chemistry. His study on Sigmatropic reaction is mostly dedicated to connecting different topics, such as Medicinal chemistry. His multidisciplinary approach integrates Catalysis and Rhodium in his work. Borrowing concepts from Halide, Koichiro Oshima weaves in ideas under Organic chemistry. In most of his Alkyl studies, his work intersects topics such as Trifluoromethyl. He regularly links together related areas like Alkyl in his Trifluoromethyl studies. Koichiro Oshima undertakes multidisciplinary investigations into Stereochemistry and Organic chemistry in his work. In his works, Koichiro Oshima undertakes multidisciplinary study on Nucleophile and Cycloaddition. Much of his study explores Physical chemistry relationship to Surface modification.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Reactions of alkenylchromium reagents prepared from alkenyl trifluoromethanesulfonates (triflates) with chromium(II) chloride under nickel catalysis.

Kazuhiko Takai;Mizuka Tagashira;Tooru Kuroda;Koichiro Oshima.
Journal of the American Chemical Society (1986)

530 Citations

Et3B-induced radical addition of R3SnH to acetylenes and its application to cyclization reaction

Kyoko Nozaki;Koichiro Oshima;Kiichiro Uchimoto.
Journal of the American Chemical Society (1987)

398 Citations

Selective halogen-magnesium exchange reaction via organomagnesium ate complex

Atsushi Inoue;Kazuya Kitagawa;Hiroshi Shinokubo;Koichiro Oshima.
Journal of Organic Chemistry (2001)

299 Citations

Cobalt-catalyzed Heck-type reaction of alkyl halides with styrenes.

Yousuke Ikeda;Tomoaki Nakamura;Hideki Yorimitsu;Koichiro Oshima.
Journal of the American Chemical Society (2002)

297 Citations

Water Enables Direct Use of Allyl Alcohol for Tsuji−Trost Reaction without Activators

Hidenori Kinoshita;Hiroshi Shinokubo;Koichiro Oshima.
Organic Letters (2004)

267 Citations

Cobalt-Catalyzed Trimethylsilylmethylmagnesium-Promoted Radical Alkenylation of Alkyl Halides: A Complement to the Heck Reaction

Walter Affo;Hirohisa Ohmiya;Takuma Fujioka;Yousuke Ikeda.
Journal of the American Chemical Society (2006)

256 Citations

Powerful solvent effect of water in radical reaction: Triethylborane-induced atom-transfer radical cyclization in water

Hideki Yorimitsu;Tomoaki Nakamura;Hiroshi Shinokubo;Koichiro Oshima.
Journal of the American Chemical Society (2000)

241 Citations

Recent Progress in Asymmetric Allylic Substitutions Catalyzed by Chiral Copper Complexes

Hideki Yorimitsu;Koichiro Oshima.
Angewandte Chemie (2005)

239 Citations

Cobalt‐Catalyzed Coupling Reaction of Alkyl Halides with Allylic Grignard Reagents

Takashi Tsuji;Hideki Yorimitsu;Koichiro Oshima.
Angewandte Chemie (2002)

238 Citations

Synthesis of dioxobis(tert-alkylimido)osmium(VIII) and oxotris(tert-alkylimido)osmium(VIII) complexes. Stereospecific vicinal diamination of olefins

Anthony O. Chong;Koichiro Oshima;K. Barry Sharpless.
Journal of the American Chemical Society (1977)

234 Citations

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