Photocat

We have started "photoredox" projects since 2007. We are interested in development of new synthetic methods involving light energy.

[Photocat @koike_group]

Congrats to Hina, Kaori, Shota, and Naohiro on their publication in Chem. Commun.! I really appreciate the efforts of everyone involved.
https://t.co/65TfwS3ca5

[Photocat @koike_group]

Honored that our work has been selected for the outside front cover of Chem. Commun.! Many thanks to all collaborators.

[Photocat @koike_group]

Honored that our work has been selected for the outside front cover of Chem. Commun.! Many thanks to all collaborators.

[Photocat @koike_group]

Congrats to Hina, Kaori, Shota, and Naohiro on their publication in Chem. Commun.! I really appreciate the efforts of everyone involved.
https://t.co/65TfwS3ca5

[Photocat @koike_group]

Had a great time at RETR-11 at Bellesalle Ariake (5–7 March 2026)! RETR started as a workshop of researchers from the CREST “Innovative Reactions” program—now in its 11th edition. Great to see old friends again. Many thanks to Prof. Takahashi (Keio Univ.) for hosting! #RETR

[Photocat @koike_group]

Safely back at the office from Taiwan!
Huge thanks to the organizers and professors in Taiwan for their hospitality.
I really enjoyed the wonderful symposium, food, and talks. See you around!
#CAOS7 #NYCU

[Photocat @koike_group]

Our two-day session "Frontiers in S ynthetic Organic Photocatalysis" has concluded at ＃Pacifichem2025. Thank you to all the speakers and participants from around the world! Wishing you all a wonderful end to the year!

[Photocat @koike_group]

Our session "Frontiers in Synthetic Organic Photocatalysis" has kicked off today at ＃Pacifichem2025 ！
Looking forward to continuing the discussions tommorrow.

[Photocat @koike_group]

Thank you for the wonderful symposium! It was a great pleasure to have the opportunity to present our work. Many thanks to everyone involved! #ISOR16

[The Nobel Prize @NobelPrize]

BREAKING NEWS
The Royal Swedish Academy of Sciences has decided to award the 2025 #NobelPrize in Chemistry to Susumu Kitagawa, Richard Robson and Omar M. Yaghi “for the development of metal–organic frameworks.”

[Photocat @koike_group]

🚀Exciting news! Our collaborative work with Prof. Nokami from Tottori University has just been published in Carbohydr. Res.! Check it out here: DOI: 10.1016/j.carres.2025.109436.

[Photocat @koike_group]

My contribution is now published in Science of Synthesis! Grateful to be part of this project. Check it out here. #organofluorinechemistry #scienceofsynthesis

[Chemistry at Thieme @thiemechemistry]

New organofluorine chemistry content out now!
Edited by Prof. Jean-François Paquin (@jfluorine), featuring contributions on synthetic methods, fluorinating reagents, and fluorination techniques.

Vol. 1 of Modern Strategies in Organofluorine Chemistry:
https://t.co/Sfom8xMJ0H

[Photocat @koike_group]

Honored to have received this award!🎉Thank you!

[InorgChemFront @InorgChemFront]

We are delighted to announce the Inorganic Chemistry Frontiers Outstanding Paper Awards 2014–2023！

Please join us in congratulating our winners, we hope you enjoy reading their outstanding articles as much as we did.

https://t.co/7zKWVORSFY

[Photocat @koike_group]

@Vougioukalakis @OrgBiomolChem Thanks!

[Photocat @koike_group]

Delighted to announce our recent publication in @OrgBiomolChem! Congrats to all involved!
#Fluoroalkene
https://t.co/syWVESc09S

[Photocat @koike_group]

📢My account article has been featured in a virtual issue of Synlett(@synlett_journal)!🎉Check it out and explore the latest highlight in synthetic organic chemistry.
🔗 https://t.co/5GtqICPc3U

[Photocat @koike_group]

Happy to announce that our collaborative research paper has been published in Chem. Commun.! A big thanks to my collaborators and everyone. Check it out here: https://t.co/MWYMjgYUjI

[Photocat @koike_group]

I am back safely from Regensburg. I am deeply grateful to the organizing committee for their hospitality. Thank you for such a well-organized and insightful meeting！　＃RETR ＃Regensburg

[Photocat @koike_group]

Excited to share that my new book chapter on diastereoselectivity in photoredox reactions in Comprehensive Chirality 2nd edition.

[Photocat @koike_group]

I am happy to share my new book chapter: Catalysis for a Sustainable Environment | Wiley Online Books https://t.co/6fPUrgCslp