Kiyoyuki Yamada

7.1k total citations · 1 hit paper
223 papers, 5.5k citations indexed

About

Kiyoyuki Yamada is a scholar working on Molecular Biology, Organic Chemistry and Pharmacology. According to data from OpenAlex, Kiyoyuki Yamada has authored 223 papers receiving a total of 5.5k indexed citations (citations by other indexed papers that have themselves been cited), including 117 papers in Molecular Biology, 88 papers in Organic Chemistry and 47 papers in Pharmacology. Recurrent topics in Kiyoyuki Yamada's work include Plant Toxicity and Pharmacological Properties (52 papers), Marine Sponges and Natural Products (42 papers) and Synthetic Organic Chemistry Methods (38 papers). Kiyoyuki Yamada is often cited by papers focused on Plant Toxicity and Pharmacological Properties (52 papers), Marine Sponges and Natural Products (42 papers) and Synthetic Organic Chemistry Methods (38 papers). Kiyoyuki Yamada collaborates with scholars based in Japan, United Kingdom and United States. Kiyoyuki Yamada's co-authors include Makoto Ojika, Hideo Kigoshi, Haruki Niwa, Yoshimasa Hiratå, Kazumasa Wakamatsu, Yoshikazu Shizuri, Kiyotake Suenaga, Masami Suganuma, Hiroki Sone and Hiroyuki Ishiwata and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of the American Chemical Society and Angewandte Chemie International Edition.

In The Last Decade

Kiyoyuki Yamada

222 papers receiving 5.3k citations

Hit Papers

Okadaic acid: an additional non-phorbol-12-tetradecanoate... 1988 2026 2000 2013 1988 100 200 300 400 500
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. Okadaic acid: an additional non-phorbol-12-tetradecanoate-13-acetate-type tumor promoter.
    1988 506 citations Masami Suganuma, Hirota Fujiki 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
Kiyoyuki Yamada Japan 39 2.8k 2.2k 1.2k 1.1k 597 223 5.5k
Yoshimasa Hiratå Japan 47 3.0k 1.1× 3.2k 1.4× 1.8k 1.6× 1.4k 1.3× 1.1k 1.9× 307 7.8k
Jean M. Schmidt United States 39 2.4k 0.9× 2.2k 1.0× 1.5k 1.3× 1.3k 1.2× 166 0.3× 110 5.3k
Kenneth L. Rinehart United States 41 2.6k 1.0× 2.2k 1.0× 1.3k 1.1× 1.3k 1.2× 577 1.0× 134 5.9k
Makoto Ojika Japan 41 2.8k 1.0× 1.6k 0.7× 1.3k 1.1× 1.3k 1.2× 530 0.9× 224 5.7k
Wesley Y. Yoshida United States 44 1.4k 0.5× 1.9k 0.8× 2.1k 1.8× 1.9k 1.8× 479 0.8× 135 4.9k
Hiroshi Hirota Japan 44 2.2k 0.8× 2.1k 0.9× 1.7k 1.5× 1.5k 1.4× 261 0.4× 206 5.8k
Dale G. Nagle United States 41 1.8k 0.7× 1.1k 0.5× 1.2k 1.1× 1.0k 1.0× 306 0.5× 92 4.9k
John H. Cardellina United States 34 1.2k 0.4× 1.3k 0.6× 969 0.8× 778 0.7× 184 0.3× 88 3.5k
Sarath P. Gunasekera United States 39 1.6k 0.6× 1.8k 0.8× 1.7k 1.4× 1.4k 1.3× 201 0.3× 108 4.6k
Daisuke Uemura Japan 48 3.5k 1.3× 3.2k 1.4× 2.4k 2.0× 1.7k 1.5× 2.0k 3.3× 267 8.4k

Countries citing papers authored by Kiyoyuki Yamada

Since Specialization
Citations

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

Fields of papers citing papers by Kiyoyuki Yamada

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kiyoyuki Yamada

This figure shows the co-authorship network connecting the top 25 collaborators of Kiyoyuki Yamada. A scholar is included among the top collaborators of Kiyoyuki Yamada 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 Kiyoyuki Yamada. Kiyoyuki Yamada 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.
Ojika, Makoto, Hideo Kigoshi, Kiyotake Suenaga, et al.. (2011). Aplyronines D–H from the sea hare Aplysia kurodai: isolation, structures, and cytotoxicity. Tetrahedron. 68(4). 982–987. 21 indexed citations
2.
Mutou, Tsuyoshi, Kiyotake Suenaga, Takashi Itoh, et al.. (1997). Enantioselective Synthesis of Aurilide, a Cytotoxic 26-Membered Cyclodepsipeptide of Marine Origin. Synlett. 1997(2). 199–201. 25 indexed citations
3.
4.
Sone, Hiroki, et al.. (1996). Dolastatin H and Isodolastatin H, Potent Cytotoxic Peptides from the Sea Hare Dolabella auricularia:  Isolation, Stereostructures, and Synthesis. Journal of the American Chemical Society. 118(8). 1874–1880. 52 indexed citations
5.
6.
Niwa, Haruki, Hideaki Inagaki, & Kiyoyuki Yamada. (1991). Didemnilactone and neodidemnilactone, two new fatty acid metabolites possessing a 10-membered lactone from the tunicate didemnum moseleyi (herdman). Tetrahedron Letters. 32(38). 5127–5128. 14 indexed citations
7.
Niwa, Haruki & Kiyoyuki Yamada. (1991). Synthesis of (−)-Neoanisatin, a Neurotoxic Sesquiterpenoid Having a Novel Spiro β-Lactone. Chemistry Letters. 20(4). 639–640. 5 indexed citations
8.
Ojika, Makoto, et al.. (1990). Aplydilactone, a novel fatty acid metabolite from the marine mollusc aplysia kurodai. Tetrahedron Letters. 31(34). 4907–4910. 12 indexed citations
9.
Fujiki, Hirota, Masami Suganuma, Hiroko Suguri, et al.. (1988). Diarrhetic Shellfish Toxin, Dinophysistoxin‐1, Is a Potent Tumor Promoter on Mouse Skin. Japanese Journal of Cancer Research. 79(10). 1089–1093. 98 indexed citations
10.
Niwa, Haruki, Osamu Okamoto, & Kiyoyuki Yamada. (1988). Total synthesis of optically active monocrotaline, a carcinogenic pyrrolizidine alkaloid having an 11-membered dilactone. Tetrahedron Letters. 29(40). 5139–5142. 8 indexed citations
11.
Wakamatsu, Kazumasa, et al.. (1987). Isolation of the Strained Bridgehead Enol Ether of a Bicyclo[3.3.1]nonan-2-one System. Chemistry Letters. 16(1). 121–122. 2 indexed citations
12.
Niwa, Haruki, et al.. (1987). An efficient enantioselective synthesis of the (-)-N-ethoxycarbonylmethyl Geissman-Waiss lactone: a practical synthetic route to (+)-retronecine. The Journal of Organic Chemistry. 52(13). 2941–2943. 35 indexed citations
13.
Niwa, Haruki, et al.. (1986). Stereocontrolled synthesis of polyfunctionalized trans-hydrindan systems: a model study toward anisatin. The Journal of Organic Chemistry. 51(7). 1015–1018. 12 indexed citations
14.
Hirono, Iwao, Shigetoshi Aiso, Hirohito Mori, et al.. (1984). Carcinogenicity in rats of ptaquiloside isolated from bracken.. PubMed. 75(10). 833–6. 46 indexed citations
15.
16.
Niwa, Haruki, Hiroyuki Ishiwata, Akio Kuroda, & Kiyoyuki Yamada. (1983). FARFUGINE, A NEW PYRROLIZIDINE ALKALOID ISOLATED FROM FARFUGIUM JAPONICUM KITAM.. Chemistry Letters. 12(5). 789–790. 8 indexed citations
17.
Ojika, Makoto, Haruki Niwa, Yoshikazu Shizuri, & Kiyoyuki Yamada. (1982). Total synthesis of an antitumour antibiotic, (±)-reductionmycin. Journal of the Chemical Society Chemical Communications. 628–629. 8 indexed citations
18.
Yamada, Kiyoyuki, et al.. (1978). Convenient methods for deoxygenation of epoxides to olefins. The Journal of Organic Chemistry. 43(10). 2076–2077. 15 indexed citations
19.
Yamada, Kiyoyuki, Masayuki Kato, & Yoshimasa Hiratå. (1973). New methods for α-methylenation of γ-butyrolactones. Tetrahedron Letters. 14(29). 2745–2746. 9 indexed citations
20.
Yamada, Kiyoyuki, et al.. (1968). Facile acetylation of a tertiary hydroxyl group and an unusual deshielding phenomenon by an acetoxyl group in NMR spectra. Tetrahedron. 24(3). 1267–1273. 14 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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