S. HIRANO

712 total citations · 1 hit paper
11 papers, 567 citations indexed

About

S. HIRANO is a scholar working on Organic Chemistry, Molecular Biology and Oncology. According to data from OpenAlex, S. HIRANO has authored 11 papers receiving a total of 567 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Organic Chemistry, 3 papers in Molecular Biology and 2 papers in Oncology. Recurrent topics in S. HIRANO's work include Synthetic Organic Chemistry Methods (5 papers), Synthesis and Properties of Aromatic Compounds (4 papers) and Asymmetric Synthesis and Catalysis (3 papers). S. HIRANO is often cited by papers focused on Synthetic Organic Chemistry Methods (5 papers), Synthesis and Properties of Aromatic Compounds (4 papers) and Asymmetric Synthesis and Catalysis (3 papers). S. HIRANO collaborates with scholars based in Japan. S. HIRANO's co-authors include Tamejiro Hiyama, Hitosi Nozaki, Yoshitaka Okude, H. NOZAKI, S. FUJITA, Hideaki Hara, Shinsaku Fujita, Seiji Takagi, Tamejiro Hiyama and Yukiko Hayashi and has published in prestigious journals such as Journal of the American Chemical Society, Nature Communications and Tetrahedron.

In The Last Decade

S. HIRANO

10 papers receiving 532 citations

Hit Papers

align trajectories

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.

Grignard-type carbonyl addition of allyl halides by means of chromous salt. A chemospecific synthesis of homoallyl alcohols

1977 418 citations Yoshitaka Okude, S. HIRANO et al. Journal of the American Chemical Society profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
S. HIRANO Japan	7	516	106	98	52	34	11	567
Conrad J. Kowalski United Kingdom	17	675 1.3×	165 1.6×	98 1.0×	62 1.2×	35 1.0×	24	784
Yoshitaka Okude Japan	3	571 1.1×	114 1.1×	138 1.4×	51 1.0×	36 1.1×	4	609
P. Canonne Canada	14	523 1.0×	140 1.3×	50 0.5×	48 0.9×	41 1.2×	70	624
Leonard J. Czuba United States	6	659 1.3×	122 1.2×	103 1.1×	24 0.5×	21 0.6×	7	742
Gordon S. Bates Canada	14	607 1.2×	177 1.7×	97 1.0×	53 1.0×	37 1.1×	23	692
T. HATAJIMA Japan	6	548 1.1×	126 1.2×	85 0.9×	42 0.8×	53 1.6×	7	625
J. SAKATA Japan	8	653 1.3×	162 1.5×	111 1.1×	27 0.5×	32 0.9×	10	709
J. V. Nelson	5	709 1.4×	184 1.7×	115 1.2×	61 1.2×	62 1.8×	6	789
T. R. Taber United States	4	513 1.0×	159 1.5×	70 0.7×	49 0.9×	54 1.6×	4	568
Robert S. Marmor United States	9	534 1.0×	76 0.7×	67 0.7×	33 0.6×	35 1.0×	16	592

Countries citing papers authored by S. HIRANO

Since Specialization

Citations

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

Fields of papers citing papers by S. HIRANO

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. HIRANO

This figure shows the co-authorship network connecting the top 25 collaborators of S. HIRANO. A scholar is included among the top collaborators of S. HIRANO 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 S. HIRANO. S. HIRANO is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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11 of 11 papers shown

1.

HIRANO, S., et al.. (2025). Pyrrolidine synthesis via ring contraction of pyridines. Nature Communications. 16(1). 2426–2426. 3 indexed citations

2.

Ono, Mitsunori, et al.. (1991). A Novel Approach to the Determination of Trace α-Amylase by Photographic Assay. The Synthesis and Enzymatic Characterization of an Oligosaccharide Derivative as a Substrate for α- Amylase from Porcine Pancreas. Chemistry Letters. 20(3). 395–398. 1 indexed citations

3.

HIRANO, S., Seiji Takagi, Tamejiro Hiyama, & Hitosi Nozaki. (1980). Abnormal Nazarov Reaction. A New Synthetic Approach to 2,3-Disubstituted 2-Cyclopentenones. Bulletin of the Chemical Society of Japan. 53(1). 169–173. 19 indexed citations

4.

Okude, Yoshitaka, S. HIRANO, Tamejiro Hiyama, & Hitosi Nozaki. (1977). Grignard-type carbonyl addition of allyl halides by means of chromous salt. A chemospecific synthesis of homoallyl alcohols. Journal of the American Chemical Society. 99(9). 3179–3181. 418 indexed citations breakdown →

5.

HIRANO, S., Tamejiro Hiyama, & Hitosi Nozaki. (1976). Hexamethylene bridged cycloheptatrienes and tropone. Tetrahedron. 32(20). 2381–2383. 6 indexed citations

6.

HIRANO, S., Hideaki Hara, Tamejiro Hiyama, S. FUJITA, & H. NOZAKI. (1975). Synthetic and structural studies of [6]-, [7]- and [10]metacyclophanes. Tetrahedron. 31(18). 2219–2227. 68 indexed citations

7.

HIRANO, S., et al.. (1974). The syntheses and conformational studies of [n](2,4)heterophanes and [7](3,5)pyrazolophane. Tetrahedron. 30(16). 2633–2640. 14 indexed citations

8.

HIRANO, S., et al.. (1974). Acid-catalyzed cyclization of cross-conjugated dienone moiety to cyclopentenones. Tetrahedron Letters. 15(15). 1429–1430. 10 indexed citations

9.

HIRANO, S., Tamejiro Hiyama, & Hitosi Nozaki. (1973). Hexamethylene bridged cycloheptatrienes. Synthesis and structure. Tetrahedron Letters. 14(16). 1331–1332. 6 indexed citations

10.

HIRANO, S., Tamejiro Hiyama, Shinsaku Fujita, & Hitosi Nozaki. (1972). [6]METACYCLOPHANE AND RELATED COMPOUNDS. Chemistry Letters. 1(8). 707–708. 11 indexed citations

11.

Fujita, Shinsaku, S. HIRANO, & Hitosi Nozaki. (1972). [7]Metacyclophane and its 13-bromo derivative. Tetrahedron Letters. 13(5). 403–406. 11 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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