N. Hagihara

2.7k total citations · 1 hit paper
27 papers, 2.2k citations indexed

About

N. Hagihara is a scholar working on Organic Chemistry, Inorganic Chemistry and Molecular Biology. According to data from OpenAlex, N. Hagihara has authored 27 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Organic Chemistry, 5 papers in Inorganic Chemistry and 3 papers in Molecular Biology. Recurrent topics in N. Hagihara's work include Organometallic Complex Synthesis and Catalysis (11 papers), Catalytic Alkyne Reactions (5 papers) and Catalytic Cross-Coupling Reactions (4 papers). N. Hagihara is often cited by papers focused on Organometallic Complex Synthesis and Catalysis (11 papers), Catalytic Alkyne Reactions (5 papers) and Catalytic Cross-Coupling Reactions (4 papers). N. Hagihara collaborates with scholars based in Japan. N. Hagihara's co-authors include Kenkichi Sonogashira, S. Takahashi, Shunya Takahashi, S. Takahashi, Emi Murata, Yoshiaki Fujikura, Seiji Takahashi, Hiromi Morimoto, Yasuo Tohda and S. Takahashi and has published in prestigious journals such as Macromolecules, Tetrahedron Letters and Journal of Organometallic Chemistry.

In The Last Decade

N. Hagihara

26 papers receiving 2.1k citations

Hit Papers

A Convenient Synthesis of Ethynylarenes and Diethynylarenes 1980 2026 1995 2010 1980 250 500 750 1000
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 Ethynylarenes and Diethynylarenes
    1980 1.0k citations Kenkichi Sonogashira, N. Hagihara 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
N. Hagihara Japan 18 1.6k 556 428 350 293 27 2.2k
Jean‐Marc Kern France 28 1.5k 0.9× 895 1.6× 366 0.9× 266 0.8× 267 0.9× 55 2.1k
Daniel Touchard France 27 1.6k 1.0× 396 0.7× 409 1.0× 612 1.7× 347 1.2× 53 2.1k
David J. Cardin United Kingdom 24 1.6k 1.0× 452 0.8× 184 0.4× 691 2.0× 181 0.6× 76 2.3k
Sergio Roffia Italy 26 1.4k 0.8× 1.1k 1.9× 623 1.5× 165 0.5× 352 1.2× 83 2.5k
Matsuo Nonoyama Japan 20 956 0.6× 797 1.4× 699 1.6× 411 1.2× 443 1.5× 87 1.9k
Christian Eschbaumer Germany 14 880 0.5× 488 0.9× 225 0.5× 272 0.8× 165 0.6× 26 1.5k
Paul Nguyen Canada 25 2.4k 1.5× 561 1.0× 372 0.9× 863 2.5× 220 0.8× 33 3.0k
Pascal Michaud France 13 857 0.5× 573 1.0× 201 0.5× 602 1.7× 193 0.7× 19 1.4k
Francesco Neve Italy 26 1.1k 0.7× 860 1.5× 543 1.3× 393 1.1× 725 2.5× 77 2.1k
Jaydeep J. S. Lamba United States 9 544 0.3× 518 0.9× 663 1.5× 243 0.7× 259 0.9× 10 1.4k

Countries citing papers authored by N. Hagihara

Since Specialization
Citations

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

Fields of papers citing papers by N. Hagihara

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of N. Hagihara

This figure shows the co-authorship network connecting the top 25 collaborators of N. Hagihara. A scholar is included among the top collaborators of N. Hagihara 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 N. Hagihara. N. Hagihara 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.
2.
Takahashi, Shunya, et al.. (1982). Studies on polyyne polymers containing transition metals in the main chain. VII. Synthesis and characterization of palladium‐polyyne polymers. Journal of Polymer Science Polymer Chemistry Edition. 20(2). 565–573. 77 indexed citations
3.
Takahashi, Seiji, et al.. (1982). Direct N.H.R. Observation of Lyotropic Liquid Crystals Formed by Transition Metal-Poly-Yne Polymers. Molecular crystals and liquid crystals. 82(4). 139–143. 44 indexed citations
4.
Takahashi, Seiji, et al.. (1981). Lyotropic Liquid-Crystalline Materials Containing Palladium and Nickel. Molecular crystals and liquid crystals. 72(2-3). 101–105. 25 indexed citations
5.
Takahashi, Shunya, et al.. (1980). ChemInform Abstract: A CONVENIENT SYNTHESIS OF ETHYNYLARENES AND DIETHYNYLARENES. Chemischer Informationsdienst. 11(47).
6.
Takahashi, S., Emi Murata, Kenkichi Sonogashira, & N. Hagihara. (1980). Studies on polyyne polymers containing transition metals in the main chain. IV. Polymer synthesis by oxidative coupling of transition metal‐bis(acetylide) complexes. Journal of Polymer Science Polymer Chemistry Edition. 18(2). 661–669. 31 indexed citations
7.
Sonogashira, Kenkichi, et al.. (1980). Studies of poly-yne polymers containing transition metals in the main chain. Journal of Organometallic Chemistry. 188(2). 237–243. 80 indexed citations
8.
Sonogashira, Kenkichi, et al.. (1978). Syntheses and properties of cis- and trans-dialkynyl complexes of platinum(II). Journal of Organometallic Chemistry. 145(1). 101–108. 199 indexed citations
9.
Sonogashira, Kenkichi, et al.. (1978). Studies of poly-yne polymers containing transition metals in the main chain. Journal of Organometallic Chemistry. 160(1). 319–327. 98 indexed citations
10.
11.
Tohda, Yasuo, Kenkichi Sonogashira, & N. Hagihara. (1976). Reactions of dimethyl acetylenedicarboxylate with hydridoalkynyl complexes of palladium(II) and platinum(II). Journal of Organometallic Chemistry. 110(3). C53–C56. 14 indexed citations
12.
Takahashi, Seiji, et al.. (1975). Bonding interaction of p-quinones with palladium(0)—phosphine complexes. Journal of Organometallic Chemistry. 91(3). 389–398. 19 indexed citations
13.
Tohda, Yasuo, Kenkichi Sonogashira, & N. Hagihara. (1975). Novel insertion of acetylene into σ-alkynyl palladium complexes. Journal of the Chemical Society Chemical Communications. 54–55. 24 indexed citations
14.
Hagihara, N., et al.. (1973). An oxygen adduct of cobaltocene. Journal of the Chemical Society Chemical Communications. 230–230. 16 indexed citations
15.
Takahashi, Shunya, et al.. (1973). A new oxidative cleavage of α-diketones and o-quinones by an oxygen adduct of cobaltocene. Tetrahedron Letters. 14(22). 1991–1994. 5 indexed citations
16.
Sonogashira, Kenkichi, et al.. (1972). Novel carbene complexes of rhodium. Journal of the Chemical Society Chemical Communications. 993–993. 21 indexed citations
17.
Sonogashira, Kenkichi, et al.. (1970). Preparations of α, ω-bis-nickel-polyacetylenes. Inorganic and Nuclear Chemistry Letters. 6(2). 181–185. 44 indexed citations
18.
Sonogashira, Kenkichi, et al.. (1970). A novel reaction of isocyanates with transition metal ethynyl complexes. Tetrahedron Letters. 11(19). 1633–1636. 6 indexed citations
19.
Takahashi, S, et al.. (1969). Novel hydrosilylation of butadiene catalysed by a palladium complex. Journal of the Chemical Society D Chemical Communications. 161–161. 22 indexed citations
20.
Takahashi, Shunya, et al.. (1967). The dimerization of butadiene by palladium complex catalysts. Tetrahedron Letters. 8(26). 2451–2453. 91 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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