Yasuo Tohda

6.7k total citations · 1 hit paper
76 papers, 5.8k citations indexed

About

Yasuo Tohda is a scholar working on Organic Chemistry, Molecular Biology and Materials Chemistry. According to data from OpenAlex, Yasuo Tohda has authored 76 papers receiving a total of 5.8k indexed citations (citations by other indexed papers that have themselves been cited), including 65 papers in Organic Chemistry, 17 papers in Molecular Biology and 16 papers in Materials Chemistry. Recurrent topics in Yasuo Tohda's work include Chemical Reaction Mechanisms (24 papers), Synthesis and Characterization of Heterocyclic Compounds (19 papers) and Synthesis of heterocyclic compounds (15 papers). Yasuo Tohda is often cited by papers focused on Chemical Reaction Mechanisms (24 papers), Synthesis and Characterization of Heterocyclic Compounds (19 papers) and Synthesis of heterocyclic compounds (15 papers). Yasuo Tohda collaborates with scholars based in Japan, France and Ireland. Yasuo Tohda's co-authors include Kenkichi Sonogashira, Nobue Hagihara, Masahiro Ariga, Nagatoshi Nishiwaki, Keita Tani, Shinzaburo Ito, Hideo Ohkita, Masahide Yamamoto, Shigetoshi Takahashi and Kazushige Hori and has published in prestigious journals such as The Journal of Chemical Physics, The Journal of Physical Chemistry B and Chemical Communications.

In The Last Decade

Yasuo Tohda

72 papers receiving 5.7k citations

Hit Papers

A convenient synthesis of acetylenes: catalytic substitut... 1975 2026 1992 2009 1975 1000 2.0k 3.0k 4.0k
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. A convenient synthesis of acetylenes: catalytic substitutions of acetylenic hydrogen with bromoalkenes, iodoarenes and bromopyridines
    1975 4.6k citations Kenkichi Sonogashira, Yasuo Tohda et al. Tetrahedron Letters profile →

Peers

Yasuo Tohda
Toshikazu Hirao Japan
James K. Whitesell United States
Angelika Baro Germany
Rafael Chinchílla Spain
Nobue Hagihara Japan
K. T. POTTS United States
Douglas M. Ho United States
Kenkichi Sonogashira Japan
Grety Rihs Switzerland
Siden Top France
Toshikazu Hirao Japan
Yasuo Tohda
Citations per year, relative to Yasuo Tohda Yasuo Tohda (= 1×) peers Toshikazu Hirao

Countries citing papers authored by Yasuo Tohda

Since Specialization
Citations

This map shows the geographic impact of Yasuo Tohda'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 Yasuo Tohda with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Yasuo Tohda more than expected).

Fields of papers citing papers by Yasuo Tohda

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Yasuo Tohda. 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 Yasuo Tohda. The network helps show where Yasuo Tohda may publish in the future.

Co-authorship network of co-authors of Yasuo Tohda

This figure shows the co-authorship network connecting the top 25 collaborators of Yasuo Tohda. A scholar is included among the top collaborators of Yasuo Tohda 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 Yasuo Tohda. Yasuo Tohda 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.
Ohba, Y., et al.. (2006). Interplanar interactions in the excited triplet states of carbazole dimers by means of time-resolved EPR spectroscopy. Molecular Physics. 104(10-11). 1535–1542. 8 indexed citations
2.
Benten, Hiroaki, Hideo Ohkita, Shinzaburo Ito, et al.. (2005). Intramolecular Excimer Emission of Triply Bridged [3.3.n](3,6,9)Carbazolophanes. The Journal of Physical Chemistry B. 109(42). 19681–19687. 20 indexed citations
3.
Koyama, Koichi, et al.. (2005). The nitroalkene showing dual behaviors in the same reaction system. Tetrahedron Letters. 46(44). 7519–7521. 12 indexed citations
4.
Tohda, Yasuo, et al.. (2004). Synthesis of Unnatural 1-Methyl-2-quinolone Derivatives. Chemical and Pharmaceutical Bulletin. 52(11). 1334–1338. 12 indexed citations
5.
Tani, Keita, Kazushige Hori, Yasuo Tohda, et al.. (2002). Synthesis and Properties of [2.2]Paracyclo- and [2.2](1,4)Naphthaleno-(3,6)carbazolophanes. Chemistry Letters. 31(9). 934–935. 5 indexed citations
6.
Ariga, Masahiro, et al.. (2002). A New Approach to 6-Nitro-1H-[1,4]-diazepines. Heterocycles. 57(3). 425–425. 2 indexed citations
7.
Nishiwaki, Nagatoshi, et al.. (2002). Facile synthesis of functionalized 4-aminopyridines. Chemical Communications. 2170–2171. 7 indexed citations
8.
Tani, Keita, Yasuo Tohda, Hiroyuki Takemura, et al.. (2001). Synthesis and photophysical properties of [3.3](3,9)carbazolophanes. Chemical Communications. 1914–1915. 50 indexed citations
9.
Ariga, Masahiro, et al.. (2001). Synthetic Equivalent of a-Nitroformylacetic Acid. Heterocycles. 55(8). 1581–1581. 1 indexed citations
10.
Nishiwaki, Nagatoshi, Tomoko Adachi, Huiping Wang, et al.. (2000). Two ring transformations of 3-methyl-5-nitropyrimidin-4(3H)-one for the construction of azaheterocycles. Journal of the Chemical Society Perkin Transactions 1. 27–31. 12 indexed citations
11.
Nishiwaki, Nagatoshi, et al.. (1996). FACILE SYNTHESIS OF FUNCTIONALIZED NITROENAMINE BY AMINOLYSIS OF NITROPYRIMIDINONE. Heterocyclic Communications. 2(1). 21–24. 2 indexed citations
12.
Nishiwaki, Nagatoshi, et al.. (1996). FACILE SYNTHESIS OF FUNCTIONALIZED NITROENAMINES. II (1). RING OPENING REACTION OF HYDRATED 1-METHYL-5-NITROPYRIMIDIN-4(1H)-ONE. Heterocyclic Communications. 2(2). 129–134. 5 indexed citations
13.
Nishiwaki, Nagatoshi, et al.. (1995). Ring opening reaction of the pyridinium salt of 4‐nitro‐3‐isoxazolin‐5‐one: A preparation of trifunctionalized methane derivatives. Journal of Heterocyclic Chemistry. 32(2). 473–475. 19 indexed citations
14.
Tani, Keita, et al.. (1991). Synthesis and Properties of [2.2](3,5)- and [2.2.2.2](3,3′,5,5′)-Diphenoquinonophanes. Chemistry Letters. 20(8). 1461–1464. 2 indexed citations
15.
Tohda, Yasuo, et al.. (1988). Synthesis and a Novel Fragmentation of 6-Alkoxy-5,6-dihydro-4H-1,2-oxazine 2-Oxide. Bulletin of the Chemical Society of Japan. 61(2). 461–465. 36 indexed citations
16.
Tohda, Yasuo, et al.. (1985). SYNTHESES OF NEW [2.2]PYRIDINOPHANES. Chemistry Letters. 14(9). 1289–1292. 9 indexed citations
17.
Ariga, Masahiro, et al.. (1985). Ring Transformation of 1,4 (or 1,6)-Disubstituted 3,5-Dinitro-2-pyridones with Sodio β-Keto Esters. Bulletin of the Chemical Society of Japan. 58(1). 393–394. 7 indexed citations
18.
Kobayashi, Hironori, et al.. (1984). 3,5-Dinitro-1-(4-nitrophenyl)-4-pyridone, A Novel and Convenient Protecting Reagent for Primary Amines. Bulletin of the Chemical Society of Japan. 57(7). 1961–1965. 9 indexed citations
19.
Ariga, Masahiro, et al.. (1980). Nucleophilic Reaction of Electron-deficient Pyridone Derivatives. II. Ring Transformation of 1-Substituted 3,5-Dinitro-4-pyridones with Sodio β-Keto Esters. Bulletin of the Chemical Society of Japan. 53(10). 2891–2894. 8 indexed citations
20.
Sonogashira, Kenkichi, et al.. (1977). Novel preparation of σ-alkynyl complexes of transition metals by copper(I) iodide-catalysed dehydrohalogenation. Journal of the Chemical Society Chemical Communications. 291–292. 148 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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