Hitoshi Hamashima

1.1k total citations
15 papers, 869 citations indexed

About

Hitoshi Hamashima is a scholar working on Organic Chemistry, Inorganic Chemistry and Molecular Biology. According to data from OpenAlex, Hitoshi Hamashima has authored 15 papers receiving a total of 869 indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Organic Chemistry, 7 papers in Inorganic Chemistry and 5 papers in Molecular Biology. Recurrent topics in Hitoshi Hamashima's work include Asymmetric Synthesis and Catalysis (8 papers), Asymmetric Hydrogenation and Catalysis (6 papers) and Synthetic Organic Chemistry Methods (4 papers). Hitoshi Hamashima is often cited by papers focused on Asymmetric Synthesis and Catalysis (8 papers), Asymmetric Hydrogenation and Catalysis (6 papers) and Synthetic Organic Chemistry Methods (4 papers). Hitoshi Hamashima collaborates with scholars based in Japan. Hitoshi Hamashima's co-authors include Masaya Sawamura, Yoshihiko Ito, Tamio Hayashi, Ryoichi Kuwano, Masanobu Sugawara, Yasuhiro Uozumi, Akiko Yamazaki, Takashi Emura, Yutaka Nakajima and Kenichi Washizuka and has published in prestigious journals such as Journal of the American Chemical Society, Journal of Medicinal Chemistry and The Journal of Organic Chemistry.

In The Last Decade

Hitoshi Hamashima

15 papers receiving 837 citations

Peers

Countries citing papers authored by Hitoshi Hamashima

Since Specialization

Citations

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

Fields of papers citing papers by Hitoshi Hamashima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hitoshi Hamashima

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

All Works

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15 of 15 papers shown

#	Work	Indexed citations
1	Discovery of novel series of benzoic acid derivatives containing biphenyl ether moiety as potent and selective human β3-adrenergic receptor agonists: Part IV 2008 ·Bioorganic & Medicinal Chemistry Letters ·Yutaka Nakajima, (unknown), (unknown), Hitoshi Hamashima, (unknown), Kenichi Washizuka, Minoru Sakurai, Shigeo Matsui, (unknown), Koji Ueshima, Takao Yamamoto, Nobuhiro Yamamoto, Hirofumi Ishikawa, Keiko Nakano, (unknown), (unknown), Kouji Hattori	6
2	Discovery of a Novel Series of Biphenyl Benzoic Acid Derivatives as Highly Potent and Selective Human β3 Adrenergic Receptor Agonists with Good Oral Bioavailability. Part II 2008 ·Journal of Medicinal Chemistry ·(unknown), (unknown), Kenichi Washizuka, Hitoshi Hamashima, Yutaka Nakajima, Takanobu Araki, (unknown), Minoru Sakurai, Shigeo Matsui, (unknown), Koji Ueshima, Takao Yamamoto, Nobuhiro Yamamoto, Hirofumi Ishikawa, Keiko Nakano, (unknown), (unknown), Yasuhiro Matsumura, (unknown), Kouji Hattori	25
3	Discovery of a Novel Series of Biphenyl Benzoic Acid Derivatives as Potent and Selective Human β₃-Adrenergic Receptor Agonists with Good Oral Bioavailability. Part I 2008 ·Journal of Medicinal Chemistry ·(unknown), (unknown), (unknown), Hitoshi Hamashima, Yutaka Nakajima, Kenichi Washizuka, Minoru Sakurai, Shigeo Matsui, (unknown), Koji Ueshima, Takao Yamamoto, Nobuhiro Yamamoto, Hirofumi Ishikawa, Keiko Nakano, (unknown), (unknown), Yasuhiro Matsumura, (unknown), Kouji Hattori	34
4	Discovery of a Novel Series of Benzoic Acid Derivatives as Potent and Selective Human β₃Adrenergic Receptor Agonists with Good Oral Bioavailability. 3. Phenylethanolaminotetraline (PEAT) Skeleton Containing Biphenyl or Biphenyl Ether Moiety 2008 ·Journal of Medicinal Chemistry ·(unknown), Yutaka Nakajima, (unknown), Hitoshi Hamashima, Kenichi Washizuka, Minoru Sakurai, Shigeo Matsui, (unknown), Koji Ueshima, Takao Yamamoto, Nobuhiro Yamamoto, Hirofumi Ishikawa, Keiko Nakano, (unknown), (unknown), Yasuhiro Matsumura, (unknown), Kouji Hattori	19
5	Discovery of a novel, potent and selective human β3-adrenergic receptor agonist 2004 ·Bioorganic & Medicinal Chemistry Letters ·Yutaka Nakajima, Hitoshi Hamashima, Kenichi Washizuka, (unknown), Hiroaki Ohtake, (unknown), Toshiko Miura, Hiroshi Kayakiri, Masayuki Kato	13
6	Rhodium-Catalyzed Enantioselective Michael Addition of (1-Cyanoethyl)phosphonate: Synthesis of Optically Active Phosphonic Acid Derivatives with Phosphorus-Substituted Quaternary Asymmetric Carbon Center 2000 ·Bulletin of the Chemical Society of Japan ·Masaya Sawamura, Hitoshi Hamashima, Yoshihiko Ito	24
7	Synthesis and Structures of Trans-Chelating Chiral Diphosphine Ligands Bearing Aromatic P-Substituents, (S,S)-(R,R)- and (R,R)-(S,S)-2,2''-Bis[1-(diarylphosphino)ethyl]-1,1''-biferrocene (ArylTRAPs) and Their Transition Metal Complexes 1995 ·Organometallics ·Masaya Sawamura, Hitoshi Hamashima, Masanobu Sugawara, Ryoichi Kuwano, Yoshihiko Ito	110
8	Asymmetric Michael reaction of an α-cyano Weinreb amide catalyzed by a rhodium complex with trans-chelating chiral diphosphine PhTRAP 1995 ·Tetrahedron Letters ·Masaya Sawamura, Hitoshi Hamashima, (unknown), Yoshihiko Ito	56
9	Asymmetric Michael reaction of α-cyano carboxylates catalyzed by a rhodium complex with trans-chelating chiral diphosphine PhTRAP 1994 ·Tetrahedron ·Masaya Sawamura, Hitoshi Hamashima, Yoshihiko Ito	84
10	ChemInform Abstract: Catalytic Asymmetric Synthesis with Trans‐Chelating Chiral Diphosphine Ligand TRAP: Rhodium‐Catalyzed Asymmetric Michael Addition of α‐ Cyano Carboxylates. 1993 ·ChemInform ·Masaya Sawamura, Hitoshi Hamashima, Yoshihiko Ito	4
11	Catalytic asymmetric synthesis with trans-chelating chiral diphosphine ligand TRAP: rhodium-catalyzed asymmetric Michael addition of .alpha.-cyano carboxylates 1992 ·Journal of the American Chemical Society ·Masaya Sawamura, Hitoshi Hamashima, Yoshihiko Ito	172
12	A trans-chelating chiral diphosphine ligand: Synthesis of 2,2″-bis[1-(diphenylphosphino)ethyl]-1,1″-biferrocene and its complexes with platinum(II) and palladium(II) 1991 ·Tetrahedron Asymmetry ·Masaya Sawamura, Hitoshi Hamashima, Yoshihiko Ito	100
13	Silver(I)-catalyzed asymmetric aldol reaction of isocyanoacetate 1991 ·Tetrahedron Letters ·Tamio Hayashi, Yasuhiro Uozumi, Akiko Yamazaki, Masaya Sawamura, Hitoshi Hamashima, Yoshihiko Ito	94
14	The asymmetric aldol reaction of tosylmethyl isocyanide and aldehydes catalyzed by chiral silver(I) complexes 1990 ·The Journal of Organic Chemistry ·Masaya Sawamura, Hitoshi Hamashima, Yoshihiko Ito	77
15	Asymmetric aldol reaction of α-ketoesters with isocyanoacetate and isocyanoacetamide catalyzed by a chiral ferrocenylphosphine-gold(I) complex 1989 ·Tetrahedron Letters ·Yoshihiko Ito, Masaya Sawamura, Hitoshi Hamashima, Takashi Emura, Tamio Hayashi	51

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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