Eiji Ochiai

2.0k total citations · 1 hit paper
105 papers, 1.2k citations indexed

About

Eiji Ochiai is a scholar working on Organic Chemistry, Molecular Biology and Pharmacology. According to data from OpenAlex, Eiji Ochiai has authored 105 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 57 papers in Organic Chemistry, 20 papers in Molecular Biology and 20 papers in Pharmacology. Recurrent topics in Eiji Ochiai's work include Plant-based Medicinal Research (18 papers), Chemical Synthesis and Reactions (17 papers) and Vitamin D Research Studies (14 papers). Eiji Ochiai is often cited by papers focused on Plant-based Medicinal Research (18 papers), Chemical Synthesis and Reactions (17 papers) and Vitamin D Research Studies (14 papers). Eiji Ochiai collaborates with scholars based in Japan, Bulgaria and United States. Eiji Ochiai's co-authors include Toshihiko Okamoto, Kazuya Takenouchi, Seiichi Ishizuka, Shin‐ichiro Sakai, Daisuke Sawada, Akihiro Ohta, Atsushi Kittaka, Hiroshi Yamanaka, Midori Takimoto‐Kamimura and Chikara Kaneko and has published in prestigious journals such as Journal of the American Chemical Society, Journal of Medicinal Chemistry and Journal of Bone and Mineral Research.

In The Last Decade

Eiji Ochiai

100 papers receiving 1.0k citations

Hit Papers

RECENT JAPANESE WORK ON THE CHEMISTRY OF PYRIDINE 1-OXIDE... 1953 2026 1977 2001 1953 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. RECENT JAPANESE WORK ON THE CHEMISTRY OF PYRIDINE 1-OXIDE AND RELATED COMPOUNDS1
    1953 482 citations Eiji Ochiai profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Eiji Ochiai Japan 13 725 259 141 136 125 105 1.2k
Robert H. Hesse United States 22 478 0.7× 295 1.1× 216 1.5× 35 0.3× 47 0.4× 58 1.2k
Hiroko Shimada Japan 19 246 0.3× 476 1.8× 134 1.0× 220 1.6× 177 1.4× 90 1.4k
Cal Y. Meyers United States 13 469 0.6× 183 0.7× 34 0.2× 51 0.4× 98 0.8× 58 764
M. Mark Midland United States 30 2.3k 3.1× 723 2.8× 127 0.9× 112 0.8× 282 2.3× 89 2.9k
Hans Herloff Inhoffen Germany 19 586 0.8× 607 2.3× 33 0.2× 556 4.1× 145 1.2× 132 1.4k
Yoshihiko Saito Japan 20 284 0.4× 364 1.4× 40 0.3× 143 1.1× 126 1.0× 59 1.2k
A. Langemann Switzerland 17 298 0.4× 347 1.3× 18 0.1× 162 1.2× 70 0.6× 30 846
E. Zeppezauer Sweden 14 128 0.2× 939 3.6× 103 0.7× 525 3.9× 166 1.3× 19 1.6k
Klaus‐Peter Zeller Germany 21 947 1.3× 429 1.7× 35 0.2× 109 0.8× 174 1.4× 144 1.8k
Henry Z. Sable United States 21 400 0.6× 459 1.8× 32 0.2× 93 0.7× 85 0.7× 66 1.1k

Countries citing papers authored by Eiji Ochiai

Since Specialization
Citations

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

Fields of papers citing papers by Eiji Ochiai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Eiji Ochiai

This figure shows the co-authorship network connecting the top 25 collaborators of Eiji Ochiai. A scholar is included among the top collaborators of Eiji Ochiai 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 Eiji Ochiai. Eiji Ochiai 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.
Sawada, Daisuke, et al.. (2016). Synthesis of 2α- and 2β-(3-hydroxypropyl)- 7,8-cis-14-epi-1α,25-dihydroxy-19-norvitamin D3 and their biological activity. The Journal of Steroid Biochemistry and Molecular Biology. 173. 79–82. 2 indexed citations
2.
Matsuo, Miki, Masashi Takano, Hiroshi Saito, et al.. (2013). Design and synthesis of 2α-(tetrazolylethyl)-1α,25-dihydroxyvitamin D3 as a high affinity ligand for vitamin D receptor. The Journal of Steroid Biochemistry and Molecular Biology. 144. 201–203. 9 indexed citations
3.
Saito, Hiroshi, Kenichiro Takagi, Midori Takimoto‐Kamimura, et al.. (2013). Synthesis of novel C-2 substituted vitamin D derivatives having ringed side chains and their biological evaluation on bone. The Journal of Steroid Biochemistry and Molecular Biology. 136. 3–8. 5 indexed citations
4.
Sawada, Daisuke, Hiroshi Saito, Kenichiro Takagi, et al.. (2012). Synthesis of 14-epi-2α-hydroxypropoxy-1α,25-dihydroxy-19-nortachysterol and its hVDR binding. The Journal of Steroid Biochemistry and Molecular Biology. 136. 27–29. 3 indexed citations
5.
Sawada, Daisuke, Hiroshi Saito, Eiji Ochiai, et al.. (2010). Synthesis of 2β-substituted-14-epi-previtamin D3 and testing of its genomic activity. The Journal of Steroid Biochemistry and Molecular Biology. 121(1-2). 20–24. 6 indexed citations
6.
Sawada, Daisuke, Nozomi Saito, Masashi Takano, et al.. (2009). Synthesis of 2α-substituted-14-epi-previtamin D3 and its genomic activity. Bioorganic & Medicinal Chemistry Letters. 19(18). 5397–5400. 9 indexed citations
7.
Sawada, Daisuke, et al.. (2009). Synthesis and Biological Evaluation of 4-Substituted Vitamin D and 14-Epi-Previtamin D Analogs. Chemical and Pharmaceutical Bulletin. 57(12). 1431–1433. 4 indexed citations
8.
Nishioka, Tatsuo, Eiji Ochiai, Masaaki Nomura, et al.. (2003). Inhibition of osteoclastogenesis by a phosphodiesterase 4 inhibitor XT-611 through synergistic action with endogenous prostaglandin E2. Biochemical Pharmacology. 66(5). 801–807. 15 indexed citations
9.
Ochiai, Eiji & Makoto Takahashi. (1965). Ableitung von trans-1, 2, 3, 4, 6, 7, 12, 12b-Octahydroindolo-[2, 3-a]chinolizin aus Chinolin. Chemical and Pharmaceutical Bulletin. 13(5). 618–622. 4 indexed citations
10.
Ochiai, Eiji & Masayuki Ishikawa. (1959). Ableitung des 10-Methoxydihydrocorynantheans aus Chinin.. Chemical and Pharmaceutical Bulletin. 7(2). 256–258. 2 indexed citations
11.
Ochiai, Eiji, Toshihiko Okamoto, Shoji Hara, Shin‐ichiro Sakai, & Mitsutaka Natsume. (1958). Uber die Konstitution des Alkylphenanthrens vom Schmp. 89∼90°, eines Dehydrierungsprodukts des Anhydroignavinols bzw. Hypognavinols. Chemical and Pharmaceutical Bulletin. 6(3). 327–328. 1 indexed citations
12.
Ochiai, Eiji & Takenari Nakagome. (1958). Uber die Umlagerung von 5-Nitroisochinolin-N-Oxyd mittels Tosylchlorids.. Chemical and Pharmaceutical Bulletin. 6(5). 495–496. 3 indexed citations
13.
Ochiai, Eiji & Masayuki Ishikawa. (1958). Synthese von Derivaten der Cinchona-Alkaloide. XXVII. Ableitung von Dihydrocinchonamin aus Cinchonin.. Chemical and Pharmaceutical Bulletin. 6(2). 208–213. 4 indexed citations
14.
Ochiai, Eiji, Toshihiko Okamoto, Shin‐ichiro Sakai, & Mitsutaka Natsume. (1957). Syntheses of Alkylphenanthrenes. IV. On Ultraviolet and Infrared Spectra of Alkylphenanthrenes.. Pharmaceutical Bulletin. 5(2). 113–121. 10 indexed citations
15.
Ochiai, Eiji, et al.. (1957). Uber ein phenolisches Nebenprodukt bei der Darstellung von Chinaldin-N-oxyd.. Pharmaceutical Bulletin. 5(2). 188–188. 1 indexed citations
16.
Ochiai, Eiji, et al.. (1955). Polarization of Aromatic Heterocyclic Compounds. CVII. YAKUGAKU ZASSHI. 75(2). 213–214. 3 indexed citations
17.
Ochiai, Eiji, Toshihiko Okamoto, Tsutomu Sugasawa, & Shin‐ichiro Sakai. (1954). Aconitum-Alkaloide. V. : Uber die Konstitution des Ignavins. (2).. Pharmaceutical Bulletin. 2(4). 388–397. 3 indexed citations
18.
Ochiai, Eiji, et al.. (1953). Aconitum-Alkaloide. III. : Uber die Konstitution des Ignavins. (1).. Pharmaceutical Bulletin. 1(1). 60–65. 2 indexed citations
19.
Ochiai, Eiji, et al.. (1952). Polarisation der heterozyklischen Ringe mit aromatischem Charakter(97). 72(6). 767–771. 1 indexed citations
20.
Ochiai, Eiji, Joju Haginiwa, & Shigenobu Okuda. (1951). Structural Studies on Matrine. XXIII. YAKUGAKU ZASSHI. 71(11). 1279–1281.

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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