Susumu Ohira

1.6k citations

47 papers · 1.3k indexed · 1 hit paper · h-index 17

Co-authors: Atsuhito Kuboki Hirōshi Nozaki T. Hasegawa Masatoshi Yamato Mitsuru Nakayama James D. White Ken‐ichiro Hayashi Daisuke Takaoka
Topics: Synthetic Organic Chemistry Methods (18 papers)Cyclopropane Reaction Mechanisms (14 papers)Chemical synthesis and alkaloids (7 papers)
Cited by: Organic Chemistry Biotechnology Biochemistry
Journals: Chemical Communications The Journal of Organic Chemistry Tetrahedron
Partner nations: Japan

In The Last Decade

Susumu Ohira

45 papers receiving 1.2k 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.

Methanolysis of Dimethyl (1-Diazo-2-oxopropyl) Phosphonate: Generation of Dimethyl (Diazomethyl) Phosphonate and Reaction with Carbonyl Compounds

1989 626 citations Susumu Ohira Synthetic Communications profile →

Peers

Countries citing papers authored by Susumu Ohira

Since Specialization

Citations

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

Fields of papers citing papers by Susumu Ohira

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Susumu Ohira

This figure shows the co-authorship network connecting the top 25 collaborators of Susumu Ohira. A scholar is included among the top collaborators of Susumu Ohira 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 Susumu Ohira. Susumu Ohira 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	New naphthoquinone and monoterpenoid from Plumbago zeylanica 2014 ·Tetrahedron Letters ·Susumu Ohira,(unknown),Shinji Tsuji,(unknown),(unknown),Ken‐ichiro Hayashi,Atsuhito Kuboki,Nobuyasu Matsuura,Munekazu Iinuma,Hirōshi Nozaki	0
2	Spectrophotometric Determination of Hydrogen Peroxide, Glucose, Uric Acid, and Cholesterol Using Peroxidase-like Activity of an Fe(III) Complex of Thiacalix[4]arenetetrasulfonate Attached to an Anion-exchanger 2013 ·Analytical Sciences ·Junichi Odō,(unknown),Susumu Ohira,(unknown),(unknown),(unknown),(unknown),(unknown)	12
3	New chalcone dimers from Caesalpinia ferrea Mart act as potent inhibitors of DNA topoisomerase II 2013 ·Tetrahedron Letters ·Susumu Ohira,(unknown),(unknown),(unknown),(unknown),Ken‐ichiro Hayashi,Atsuhito Kuboki,Hiroyuki Tani,Shogo Ikeda,Munekazu Iinuma,Yukihiro Akao,Hirōshi Nozaki	20
4	ChemInform Abstract: New Chalcone Dimers (I) from Caesalpinia ferrea Mart Act as Potent Inhibitors of DNA Topoisomerase II. 2013 ·ChemInform ·Susumu Ohira,(unknown)	1
5	Reversal of the regioselectivity in a cycloaddition of o-quinones by varying the position of alkoxy substituents 2008 ·Tetrahedron Letters ·Atsuhito Kuboki,(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),Susumu Ohira	8
6	Total synthesis of (±)-nitidanin and novel procedures for determination of the location of the side chains on 1,4-benzodioxane 2006 ·Tetrahedron Letters ·Atsuhito Kuboki,(unknown),(unknown),(unknown),Susumu Ohira	19
7	Stereocontrolled synthesis of (±)-methyl 3,6-epoxy-4,6,8-triethyl-2,4,9-dodecatrienoate, a major metabolite of Caribbean sponge, Plakortis halichondrioides, using reactions of alkylidenecarbenes in one pot 2005 ·Tetrahedron Letters ·(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),Atsuhito Kuboki,Susumu Ohira	21
8	Synthesis and structure of diastereomers of pentenocin B produced by Trichoderma hamatum FO-6903 2004 ·Tetrahedron Letters ·Susumu Ohira,Hiroyuki Fujiwara,(unknown),(unknown),(unknown),(unknown),Atsuhito Kuboki	10
9	Stereoselective Synthesis of (1S,3R)-1-Aminocyclopentane-1,3-dicarboxylic AcidviaC–H Insertion of Alkylidenecarbene 2002 ·Bioscience Biotechnology and Biochemistry ·Susumu Ohira,(unknown),(unknown),(unknown),Atsuhito Kuboki	2
10	Asymmetric synthesis of dimethyl swazinecate and structural confirmation of its parent alkaloid (−)-swazine 1998 ·Chemical Communications ·James D. White,(unknown),Susumu Ohira,Alex Yokochi	2
11	Synthesis of (−)-Gleenol via C-H Insertion Reaction of Alkylidenecarbene 1998 ·Chemistry Letters ·Susumu Ohira,Naoya Yoshihara,T. Hasegawa	11
12	Enantioselective construction of alicyclic bicyclo[3.1.0]hexane framework by double stereodifferentiation and its application for the synthesis of both enantiomers of vitamin D3 CD ring synthons 1997 ·Tetrahedron ·Mingqi He,Shinji Tanimori,Susumu Ohira,Mitsuru Nakayama	11
13	Synthesis of (−)-neplanocin Avia C-H insertion of alkylidenecarbene 1995 ·Tetrahedron Letters ·Susumu Ohira,(unknown),Masatoshi Yamato	45
14	Generation of α-alkoxycarbonyl alkylidenecarbenes: Synthesis of t-butyl cyclopentenecarboxylates 1995 ·Tetrahedron Letters ·Susumu Ohira,(unknown),Hirōshi Nozaki,Masatoshi Yamato,Mitsuru Nakayama	9
15	Synthetic Studies of Biologically Active Natural Products Using the Cleavage Reaction of Cyclopropane Ring. 1993 ·Journal of Synthetic Organic Chemistry Japan ·Shinji Tanimori,Susumu Ohira,Mitsuru Nakayama	1
16	Absolute Structure of ( – )-4,5-trans-Dihydroxy-3-methyl-2-cyclopentenone Isolated from the Marine Alga,Grateloupia filicina(Wulfen) J. Agardh by the Synthesis of Both Enantiomers 1991 ·Agricultural and Biological Chemistry ·Susumu Ohira,Hirōshi Nozaki,(unknown),(unknown),(unknown),Mitsuru Nakayama	1
17	Synthesis of the macrolactone pyrrolizidine alkaloid integerrimine 1986 ·The Journal of Organic Chemistry ·James D. White,Susumu Ohira	23
18	Stereoselective Synthesis of Steroid Side Chain: Synthesis of (2R∗,3R∗)-2-Methyl-3-[(1R∗)-1,5-Dimethylhexyl]Cyclopentanone 1985 ·Synthetic Communications ·Mitsuru Nakayama,Shinji Tanimori,Susumu Ohira	3
19	Total Synthesis of (+)- and (−)-Coronafacic Acid 1983 ·Agricultural and Biological Chemistry ·Mitsuru Nakayama,Susumu Ohira	1
20	Synthesis of 5,7-Dihydroxy-2′,4′,5′-trimethoxyisoflavone and Its 7-Methyl Ether (Robustigenin) 1980 ·Bulletin of the Chemical Society of Japan ·Mitsuru Nakayama,Susumu Ohira,(unknown)	3

About Susumu Ohira

Susumu Ohira is a scholar working on Organic Chemistry, Toxicology and Biotechnology, having authored 47 papers that have together received 1.3k indexed citations. Recurring topics across this work include Synthetic Organic Chemistry Methods (18 papers), Cyclopropane Reaction Mechanisms (14 papers) and Chemical synthesis and alkaloids (7 papers). The work is most often cited by research in Organic Chemistry (1.1k citations), Biotechnology (203 citations) and Biochemistry (91 citations). Susumu Ohira has collaborated with scholars based in Japan. Frequent co-authors include Atsuhito Kuboki, Hirōshi Nozaki, T. Hasegawa, Masatoshi Yamato, Mitsuru Nakayama, James D. White, Ken‐ichiro Hayashi, Daisuke Takaoka, Takuji Hoshino and Lalith R. Jayasinghe. Their work appears in journals such as Chemical Communications, The Journal of Organic Chemistry and Tetrahedron.

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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