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Organic Reaction Chemistry Lab
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The lab uses catalysts that control radicals to assemble complex molecules directly.
AboutAbout the lab
Opening the future of drug discovery through catalyst and reaction design.
The Organic Reaction Chemistry Lab develops new synthetic technologies for directly assembling complex organic molecules.
Organic synthesis requires many steps and a wide variety of reagents, which raises issues of cost, development time, and the environmental burden of waste.
Even when molecular structures are complex, the lab searches for ways to assemble them in one go using sustainable reagents and energy sources.
By making synthetic processes more efficient, the lab aims to accelerate the discovery and development of new drugs and contribute to better medical care.
Key terms
- Organocatalyst
- A catalyst made only of organic compounds, without any metal. It helps save resources and energy
- Radical
- A short-lived, highly reactive chemical species with an unpaired electron
- Caging
- Temporarily placing a bioactive molecule in a "cage" to inactivate it, so that it is released only when exposed to light
NewsLab news
A master's student received a Poster Award at the 72nd Symposium on Organometallic Chemistry, Japan
A paper on bond formation using highly reactive radical intermediates was published in Angewandte Chemie
A paper on the use of reaction intermediates in photochemical reactions was published in Proc. Jpn. Acad., Ser. B
A paper on nickel-catalyzed reactions driven by deep-red to near-infrared light was published in ACS Catalysis
Doctoral and master's students received Student Excellent Presentation Awards at the 146th Annual Meeting of the Pharmaceutical Society of Japan
ResearchResearch themes
Using original methods of organic chemistry, the lab aims to create new catalysts, reactions, and functions, and to open up the future of drug discovery and life science research. In particular, it has set "development of new catalysts, reactions, and functions opened up by radicals" as its flagship project.
*Illustrative imageOrganocatalysts that control radicals
The lab has originally designed N-heterocyclic carbene catalysts and organosulfur photoredox catalysts, and by controlling short-lived, highly reactive radicals, has made it possible to form a variety of bonds.
*Illustrative imageMaking chemically modified nucleic acids
Using carbocations generated under mild conditions with light, the lab introduced bulky alkyl groups, which had been difficult until now, onto phosphorus atoms.
*Illustrative imageBoron compounds that release radicals with light
The lab has designed organoboron ate complexes. Using the property that their carbon–boron bond is cleaved by visible light, it has also achieved caging of molecules such as acetylcholine, which previously could not be caged.
MembersFaculty
The members of the Organic Reaction Chemistry Lab are faculty, doctoral, master's, and undergraduate students, visiting students, and secretaries.
- ProfessorHirohisa Ohmiya
- Associate ProfessorKazunori Nagao
- Assistant ProfessorSho Murakami
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “WorkingAtFumeHood” Walkerma / CC BY-SA 3.0 (cropped)
- Organocatalysts that control radicals: “Organic Photoredox Catalysts” Organicoboist / CC BY-SA 3.0 (cropped)
- Making chemically modified nucleic acids: “DNA Visual Representation of Double-Helix” 作者不詳 / Public domain (cropped)
- Boron compounds that release radicals with light: “Boron R105” James L Marshall / CC BY-SA 3.0 (cropped)
- Related lab (物性物理化学): “Magnetron detail” Schrauber5 / CC BY-SA 4.0 (cropped)
- Related lab (触媒有機化学): “Catalyst nanoparticles” Luca Silvioli / CC BY-SA 4.0 (cropped)
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