Tamio Hayashi

46.9k citations

523 papers · 38.8k indexed · 7 hit papers · h-index 105

Co-authors: Ryo Shintani Makoto Kumada Yasuhiro Uozumi Takahiro Nishimura Yoshihiko Ito Masamichi Ogasawara Kaori Yamasaki Norihito Tokunaga
Topics: Asymmetric Synthesis and Catalysis (244 papers)Asymmetric Hydrogenation and Catalysis (226 papers)Catalytic C–H Functionalization Methods (184 papers)
Cited by: Organic Chemistry Inorganic Chemistry Pharmaceutical Science
Journals: Chemical Reviews Proceedings of the National Academy of Sciences Journal of the American Chemical Society
Partner nations: Japan Singapore China

In The Last Decade

Tamio Hayashi

518 papers receiving 37.8k citations

Hit Papers

5 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.

Rhodium-Catalyzed Asymmetric 1,4-Addition and Its Related Asymmetric Reactions

2003 1.3k citations Tamio Hayashi et al. profile →
Catalytic asymmetric aldol reaction: reaction of aldehydes with isocyanoacetate catalyzed by a chiral ferrocenylphosphine-gold(I) complex

1986 641 citations Yoshihiko Ito, Tamio Hayashi et al. profile →
Dichloro[1,1'-bis(diphenylphosphino)ferrocene]palladium(II): an effective catalyst for cross-coupling of secondary and primary alkyl Grignard and alkylzinc reagents with organic halides

1984 641 citations Tamio Hayashi, Makoto Kumada et al. profile →
Rhodium-Catalyzed Asymmetric 1,4-Addition of Aryl- and Alkenylboronic Acids to Enones

1998 599 citations Tamio Hayashi et al. profile →
Catalytic Cycle of Rhodium-Catalyzed Asymmetric 1,4-Addition of Organoboronic Acids. Arylrhodium, Oxa-π-allylrhodium, and Hydroxorhodium Intermediates

2002 529 citations Tamio Hayashi et al. profile →
tert-Butoxide-Mediated Arylation of Benzene with Aryl Halides in the Presence of a Catalytic 1,10-Phenanthroline Derivative

2010 461 citations Eiji Shirakawa, Ken‐ichi Itoh et al. profile →
Asymmetric Synthesis Catalyzed by Chiral Ferrocenylphosphine–Transition Metal Complexes. I. Preparation of Chiral Ferrocenylphosphines

1980 388 citations Tamio Hayashi, Makoto Kumada et al. profile →

Peers

Countries citing papers authored by Tamio Hayashi

Since Specialization

Citations

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

Fields of papers citing papers by Tamio Hayashi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Tamio Hayashi

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

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	High Performance of a Palladium Phosphinooxazoline Catalyst in the Asymmetric Arylation of Cyclic N‐Sulfonyl Ketimines 2014 ·Angewandte Chemie International Edition ·Chunhui Jiang,Yixin Lü,Tamio Hayashi	105
2	Asymmetric synthesis of gem-diaryl substituted cyclic sulfamidates and sulfamides by rhodium-catalyzed arylation of cyclic ketimines 2013 ·Chemical Communications ·Takahiro Nishimura,Yusuke Ebe,(unknown),Tamio Hayashi	65
3	Single electron transfer-induced cross-coupling reaction of alkenyl halides with aryl Grignard reagents 2013 ·Chemical Communications ·Eiji Shirakawa,(unknown),Takuya Murakami,Tamio Hayashi	32
4	Single electron transfer-induced Grignard cross-coupling involving ion radicals as exclusive intermediates 2012 ·Chemical Communications ·Nanase Uchiyama,Eiji Shirakawa,Tamio Hayashi	46
5	Electronic tuning of chiral diene ligands in iridium-catalyzed asymmetric 1,6-addition of arylboroxines to δ-aryl-α,β,γ,δ-unsaturated ketones 2011 ·Chemical Communications ·Takahiro Nishimura,Akira Noishiki,Tamio Hayashi	54
6	Design and synthesis of new chiral phosphorus–olefin bidentate ligands and their use in the rhodium-catalyzed asymmetric addition of organoboroxines to N-sulfonyl imines 2011 ·Chemical Communications ·Ryo Shintani,(unknown),Yosuke Tsutsumi,Sayuri Hayashi,Tamio Hayashi	48
7	Iron-catalyzed aryl- and alkenyllithiation of alkynes and its application to benzosilole synthesis 2011 ·Chemical Communications ·Eiji Shirakawa,Seiji Masui,(unknown),(unknown),Daiji Ikeda,Tamio Hayashi	47
8	Cross‐Coupling of Aryl Grignard Reagents with Aryl Iodides and Bromides through S_RN1 Pathway 2011 ·Angewandte Chemie International Edition ·Eiji Shirakawa,Y Hayashi,Ken‐ichi Itoh,(unknown),Nanase Uchiyama,(unknown),Seiji Masui,Tamio Hayashi	94
9	Rhodium‐Catalyzed Asymmetric Synthesis of Spirocarbocycles: Arylboron Reagents as Surrogates of 1,2‐Dimetalloarenes 2010 ·Angewandte Chemie International Edition ·Ryo Shintani,(unknown),Momotaro Takeda,Tamio Hayashi	127
10	Palladium-catalyzed intramolecular decarboxylative allylic arylation of α-aryl-γ-methylidene-δ-valerolactones 2010 ·Chemical Communications ·Ryo Shintani,Takaoki Tsuji,Soyoung Park,Tamio Hayashi	18
11	Rhodium-catalyzed aryl- and alkylation–oligomerization of alkynoates with organoboron reagents giving salicylates 2010 ·Chemical Communications ·Yuichi Yasuhara,Takahiro Nishimura,Tamio Hayashi	19
12	Rhodium‐Catalyzed Asymmetric [5+2] Cycloaddition of Alkyne–Vinylcyclopropanes 2009 ·Chemistry - A European Journal ·Ryo Shintani,Hiroki Nakatsu,Keishi Takatsu,Tamio Hayashi	77
13	Rhodium‐Catalyzed Asymmetric Addition of Terminal Alkynes to Diarylphosphinylallenes 2008 ·Chemistry - An Asian Journal ·Takahiro Nishimura,Xun‐Xiang Guo,Tamio Hayashi	58
14	Fe–Cu cooperative catalysis in the isomerization of alkyl Grignard reagents 2008 ·Chemical Communications ·Eiji Shirakawa,Daiji Ikeda,Shigeru Yamaguchi,Tamio Hayashi	29
15	Palladium-catalyzed conjugate reduction of enones into α,β-dideuterioketones with hexamethyldisilane and deuterium oxide 2007 ·Chemical Communications ·(unknown),Eiji Shirakawa,Tamio Hayashi	34
16	A Cationic Rhodium–Chiral Diene Complex as a High‐Performance Catalyst for the Intramolecular Asymmetric [4+2] Cycloaddition of Alkyne‐1,3‐Dienes 2007 ·Angewandte Chemie International Edition ·Ryo Shintani,Yuta Sannohe,Takaoki Tsuji,Tamio Hayashi	70
17	Expanding the C₂-Symmetric Bicyclo[2.2.1]hepta-2,5-diene Ligand Family: Concise Synthesis and Catalytic Activity in Rhodium-Catalyzed Asymmetric Addition 2006 ·The Journal of Organic Chemistry ·G. Berthon-Gelloz,Tamio Hayashi	80
18	Rhodium‐Catalyzed Asymmetric 1,6‐Addition of Aryl Zinc Reagents to Dienones 2005 ·Angewandte Chemie International Edition ·Tamio Hayashi,Shohei Yamamoto,Norihito Tokunaga	94
19	Asymmetric synthesis catalyzed by chiral phosphine-metal complexes. 1989 ·NIPPON KAGAKU KAISHI ·Tamio Hayashi,Yoshihiko Ito	1
20	Stereochemistry in the reaction of optically active allylsilanes with m-chloroperoxybenzoic acid 1984 ·The Journal of Organic Chemistry ·Tamio Hayashi,Yasuo Okamoto,Keiji Kabeta,Toshiya Hagihara,Makoto Kumada	33

About Tamio Hayashi

Tamio Hayashi is a scholar working on Organic Chemistry, Inorganic Chemistry and Pharmaceutical Science, having authored 523 papers that have together received 38.8k indexed citations. Recurring topics across this work include Asymmetric Synthesis and Catalysis (244 papers), Asymmetric Hydrogenation and Catalysis (226 papers) and Catalytic C–H Functionalization Methods (184 papers). The work is most often cited by research in Organic Chemistry (36.9k citations), Inorganic Chemistry (15.6k citations) and Pharmaceutical Science (1.7k citations). Tamio Hayashi has collaborated with scholars based in Japan, Singapore and China. Frequent co-authors include Ryo Shintani, Makoto Kumada, Yasuhiro Uozumi, Takahiro Nishimura, Yoshihiko Ito, Masamichi Ogasawara, Kaori Yamasaki, Norihito Tokunaga, Eiji Shirakawa and Mitsuo Konishi. Their work appears in journals such as Chemical Reviews, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

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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