Tetsuo Ohta

5.7k total citations · 4 hit papers
97 papers, 4.5k citations indexed

About

Tetsuo Ohta is a scholar working on Organic Chemistry, Inorganic Chemistry and Molecular Biology. According to data from OpenAlex, Tetsuo Ohta has authored 97 papers receiving a total of 4.5k indexed citations (citations by other indexed papers that have themselves been cited), including 71 papers in Organic Chemistry, 56 papers in Inorganic Chemistry and 25 papers in Molecular Biology. Recurrent topics in Tetsuo Ohta's work include Asymmetric Hydrogenation and Catalysis (55 papers), Asymmetric Synthesis and Catalysis (21 papers) and Chemical Synthesis and Analysis (21 papers). Tetsuo Ohta is often cited by papers focused on Asymmetric Hydrogenation and Catalysis (55 papers), Asymmetric Synthesis and Catalysis (21 papers) and Chemical Synthesis and Analysis (21 papers). Tetsuo Ohta collaborates with scholars based in Japan, United States and China. Tetsuo Ohta's co-authors include Hidemasa Takaya, Ryōji Noyori, Masato Kitamura, Isao Furukawa, Yoshihiko Ito, Hidenori Kumobayashi, Yohei Oe, Kyoko Nozaki, Yoshihisa Watanabe and Noboru Sayo and has published in prestigious journals such as Journal of the American Chemical Society, Chemical Communications and Inorganic Chemistry.

In The Last Decade

Tetsuo Ohta

95 papers receiving 4.3k citations

Hit Papers

Homogeneous asymmetric hydrogenation of functionalized ke... 1986 2026 1999 2012 1988 1987 1986 1988 100 200 300 400
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Homogeneous asymmetric hydrogenation of functionalized ketones
    1988 411 citations Hidenori Kumobayashi, Susumu Akutagawa et al. profile →
  2. Asymmetric hydrogenation of unsaturated carboxylic acids catalyzed by BINAP-ruthenium(II) complexes
    1987 258 citations Tetsuo Ohta, Hidemasa Takaya et al. profile →
  3. Asymmetric synthesis of isoquinoline alkaloids by homogeneous catalysis
    1986 210 citations Tetsuo Ohta, Hidemasa Takaya et al. profile →
  4. Bis(diarylphosphino)-1,1 binaphthyl (BINAP)-ruthenium(II) dicarboxylate complexes: new, highly efficient catalysts for asymmetric hydrogenations
    1988 182 citations Tetsuo Ohta, Hidemasa Takaya et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Tetsuo Ohta Japan 38 3.5k 2.8k 1.0k 755 499 97 4.5k
Noboru Sayo Japan 26 3.0k 0.9× 3.0k 1.1× 1.1k 1.1× 1.2k 1.6× 519 1.0× 51 4.4k
Giorgio Chelucci Italy 37 4.5k 1.3× 2.7k 1.0× 928 0.9× 487 0.6× 518 1.0× 145 5.4k
Hans Adolfsson Sweden 41 4.0k 1.1× 2.5k 0.9× 2.0k 2.0× 596 0.8× 487 1.0× 104 5.0k
Denis Sinou France 34 3.7k 1.0× 1.5k 0.5× 1.2k 1.2× 387 0.5× 235 0.5× 215 4.3k
André H. M. de Vries Netherlands 35 4.7k 1.3× 3.2k 1.1× 1.4k 1.4× 988 1.3× 291 0.6× 57 5.7k
Andrei V. Malkov United Kingdom 41 4.4k 1.3× 1.9k 0.7× 1.0k 1.0× 279 0.4× 338 0.7× 133 5.2k
Felix Spindler Switzerland 35 3.7k 1.1× 3.9k 1.4× 1.4k 1.4× 1.6k 2.1× 426 0.9× 80 5.3k
T. V. RajanBabu United States 57 8.2k 2.3× 3.4k 1.2× 1.4k 1.4× 343 0.5× 393 0.8× 147 9.0k
Hisao Nishiyama Japan 50 8.0k 2.3× 3.5k 1.2× 1.1k 1.1× 369 0.5× 397 0.8× 206 8.7k
Ryoichi Kuwano Japan 39 4.4k 1.2× 2.5k 0.9× 843 0.8× 697 0.9× 248 0.5× 97 4.9k

Countries citing papers authored by Tetsuo Ohta

Since Specialization
Citations

This map shows the geographic impact of Tetsuo Ohta's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Tetsuo Ohta with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Tetsuo Ohta more than expected).

Fields of papers citing papers by Tetsuo Ohta

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Tetsuo Ohta. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Tetsuo Ohta. The network helps show where Tetsuo Ohta may publish in the future.

Co-authorship network of co-authors of Tetsuo Ohta

This figure shows the co-authorship network connecting the top 25 collaborators of Tetsuo Ohta. A scholar is included among the top collaborators of Tetsuo Ohta based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Tetsuo Ohta. Tetsuo Ohta is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Oe, Yohei, Takashi Miyamoto, Yoshihiko Ito, & Tetsuo Ohta. (2017). Preparation of Isocyanoaryllithiums via Halogen–Lithium Exchange Reaction and Their Reaction with Various Electrophiles. Chemistry Letters. 46(12). 1763–1765. 2 indexed citations
2.
3.
Oe, Yohei, et al.. (2014). An Efficient Synthesis of 2,3-Diaminoacid Derivatives Using Phosphine Catalyst. International Journal of Organic Chemistry. 4(3). 189–194. 3 indexed citations
4.
Oe, Yohei, et al.. (2011). Studies on Transition Metal-Catalyzed Addition Reaction of Oxygen-, Nitrogen-, and Carbon-Nucleophiles onto Olefins. Journal of Synthetic Organic Chemistry Japan. 69(2). 118–128.
5.
6.
Sato, Kaori, et al.. (2008). Asymmetric reduction of racemic 2-isoxazolines. Tetrahedron Asymmetry. 19(21). 2519–2528. 10 indexed citations
7.
Ito, Yoshihiko, et al.. (2006). Intramolecular cyclization of phenol derivatives with C C double bond in a side chain. Journal of Organometallic Chemistry. 692(1-3). 691–697. 25 indexed citations
8.
Oe, Yohei, Tetsuo Ohta, & Yoshihiko Ito. (2004). Ruthenium catalyzed addition reaction of carboxylic acid across olefins without β-hydride elimination. Chemical Communications. 1620–1621. 47 indexed citations
9.
Ohta, Tetsuo, et al.. (2003). Reductive cleavage of the C–O bond of acetals and orthoesters: reduction by silane in the presence of a Rh–PPh3 complex. Chemical Communications. 1192–1193. 15 indexed citations
10.
Ohta, Tetsuo, Yohei Oe, & Isao Furukawa. (2002). Preparation of Heterocyclic Compounds from .ALPHA.-Oxoketene O, N-Acetals.. Journal of Synthetic Organic Chemistry Japan. 60(10). 932–941.
11.
Ohta, Tetsuo, et al.. (1998). Practical synthesis of androgen: the efficient transformation of 17-oxo group to 17α-hydroxy group. Steroids. 63(12). 630–632. 5 indexed citations
12.
Ohta, Tetsuo, et al.. (1997). Improved Synthetic Route to Dexamethasone Acetate from Tigogenin. Organic Process Research & Development. 1(6). 420–424. 9 indexed citations
13.
Ohta, Tetsuo, et al.. (1994). Synthesis of optically active benzyl-α-d alcohols by asymmetric hydrogenation of benzaldehyde-α- d and its derivatives catalysed by BINAP-Ru(II) complexes. Journal of Organometallic Chemistry. 484(1-2). 191–193. 14 indexed citations
14.
Takaya, Hidemasa & Tetsuo Ohta. (1993). Recent Advances in Asymmetric Hydrogenation by Means of Transition Metal Complexes.. Journal of Synthetic Organic Chemistry Japan. 51(11). 1013–1023. 2 indexed citations
15.
16.
Ohta, Tetsuo & Hidemasa Takaya. (1990). New reagents. V. Reducing reagents. BINAP-Ru(OCOCH3)2: Highly efficient catalyst for asymmetric hydrogenation.. Journal of Synthetic Organic Chemistry Japan. 48(11). 1018–1019. 1 indexed citations
17.
Sakata, Tadayoshi, et al.. (1990). Photocatalytic Asymmetric Reduction of 3-Methyl-2-oxobutanoic Acid with Chiral Rh(I) Complexes and Powdery Semiconductors. Chemistry Letters. 19(8). 1331–1334. 10 indexed citations
18.
Tsuji, Yasushi, et al.. (1984). Ruthenium-catalyzed oxidation of alcohols and catechols using t-butyl hydroperoxide. Journal of Organometallic Chemistry. 270(3). 333–341. 54 indexed citations
19.
Watanabe, Yoshihisa, Tetsuo Ohta, & Yasushi Tsuji. (1982). Ruthenium-catalyzed Reduction of Carbonyl Compounds Using Formic Acid. Bulletin of the Chemical Society of Japan. 55(8). 2441–2444. 28 indexed citations
20.
Ohta, Tetsuo, et al.. (1977). Relationship between phospholipid compositions and transport activities of amino acids in Escherichia coli membrane vesicles. Biochimica et Biophysica Acta (BBA) - Biomembranes. 466(1). 44–56. 21 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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