Chemist. Professor at School of Pharmaceutical Sciences, Tohoku University 東北大学薬学研究科・分子設計化学分野 Website: pharm.tohoku.ac.jp/~sekkei/
Joined December 2009
- Tweets 182
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13 Photos and videos
3 Dec 2025
Our latest @ChemRxiv preprint has landed. 🔗doi.org/10.26434/chemrxiv-20…
Hypervalent rotors… with an elastic C–I axle embedded in triazole and triazolium scaffolds.
Miraculous parity in atropostability. Divergent breathing vs sealing. Two modes of chiral recognition. 🫡🫡🫡🍘
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27 Nov 2025
Our new preprint is out on @ChemRxiv 🔗 doi.org/10.26434/chemrxiv-20…
a redox-neutral [3 2] annulation of cyclopropanols with alkenes via an RPC cascade — a mechanistically distinct branch that spun out from our (enolized) homoenolate chemistry.
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Naohiko Yoshikai retweeted
22 Sep 2025
【公募のお知らせ】
当研究室では、任期なし助教（1名）を募集しています。有機化学の世界で、“問い”を共に転がし、かたちにしていただける方を歓迎します。
詳細はこちら → bit.ly/4pxOXOv
研究室HP → bit.ly/42xobfi
質問・事前面談など、お気軽にDM・メールでご連絡ください。
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12 Nov 2025
Our latest preprint is out in @ChemRxiv
🔗 doi.org/10.26434/chemrxiv-20…
Turns out we’ve (accidentally?) revisited and corrected a 50-year-old reaction in hypervalent iodine chemistry.
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15 Apr 2025
Our new paper on the merger of HDDA and hypervalent iodine chemistry is out in @JOC_OL. Congrats to Morohashi-kun, Liejin and all! pubs.acs.org/doi/10.1021/acs…
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9 Apr 2025
Pleased to share our work on diazomethyliodane x aryne reaction published in @ChemicalScience. Congrats to Otsuki-kun, and many thanks to @DelordWencel for the fruitful collaboration! pubs.rsc.org/en/content/arti…
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5 Apr 2025
Pleased to share our C–I atropisomeric molecule, now published in @Chem_CP. Congrats to Abe-kun, Kikuchi-san, and Matsumoto-san, and many thanks to @hagi_no_suke for making it open access!
Online now: Stable and responsive atropisomerism around a carbon–iodine bond dlvr.it/TJyYyY
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22 Nov 2024
We welcome submission of papers concerning synthesis, property, and application of molecules with non-central chirality - such as axial, planar, helical, inherent- to our thematic issue in BJOC @BeilsteinInst
Invitation to submit to the new thematic issue “Non-central #chirality in organic chemistry” edited by Ken Tanaka @KenTanaka_Lab and Naohiko Yoshikai @ny_1978.
👉 beilstein-journals.org/bjoc/…
#OrganicSynthesis #stereochemistry #asymmetric #stereoselective #catalysis #MaterialsScience
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14 Nov 2024
We are pleased to share on @ChemRxiv our unusual chiral molecules featuring the longest-ever atropisomeric axis—a carbon-iodine bond! go.shr.lc/4fLHZQc
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Naohiko Yoshikai retweeted
24 Apr 2024
Many nucleophiles work (ArOH, alcohols, anilines, sulfonamides, N-hets), but we have to add slowly to get useful yield. All at once gives only the "original" isomer and none of the "migrated." 🤮 The work was led by postdoc Yoshiya Sekiguchi and G2 Paul Onnuch - congratulations!
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Naohiko Yoshikai retweeted
24 Apr 2024
The next chapter of our metal catalysis work is now on @ChemRxiv. We report that an unusual reversible Pd "ring-walking" process can be used to access unconventional isomers of cross-coupling products!
doi.org/10.26434/chemrxiv-20…
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6 Feb 2024
Our paper on the new reactivity of organoiodine(III) compounds is out in @J_A_C_S. Congrats to Chisaki, Kanemoto-san, and all! Carboiodanation of Arynes: Organoiodine(III) Compounds as Nucleophilic Organometalloids pubs.acs.org/doi/10.1021/jac…
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Naohiko Yoshikai retweeted
6 Feb 2024
Carboiodanation of Arynes: Organoiodine(III) Compounds as Nucleophilic Organometalloids | Journal of the American Chemical Society @TohokuUniPR #Carboiodanation #Arynes #Organoiodine #Organometalloids pubs.acs.org/doi/10.1021/jac…
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Naohiko Yoshikai retweeted
2 Feb 2024
【募集】シンガポールのNTUに大学院生として入学したい有機化学を専攻する日本の大学生はいらっしゃいませんか？
・博士課程は4年なので通常4年で学位が取れます
・学費は免除で、給与が月額30〜35万円支給されます
・入学時期は8月と1月（要相談）
ご興味のある方はお気軽にお問い合わせください
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Naohiko Yoshikai retweeted
27 Jan 2024
Very happy to share a new iodine(III) reagent for electrophilic amination, just appeared in @angew_chem !!
Amino‐λ3‐iodane‐Enabled Electrophilic Amination of Arylboronic Acid Derivatives onlinelibrary.wiley.com/doi/…
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Naohiko Yoshikai retweeted
25 Jan 2024
Interesting EBx chemistry in cycloaddition now in Chinese Journal of Chemistry by Yoshikai @ny_1978 , Ito and coworkers onlinelibrary.wiley.com/doi/…
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Naohiko Yoshikai retweeted
22 Jan 2024
Recent developments in catalytic Nozaki‒Hiyama‒Kishi (NHK) type reactions are covered in #ScienceOfSynthesis Base-Metal Catalysis by Jiale Sang and Guozhu Zhang (SIOC). Edited by Naohiko Yoshikai (@ny_1978) #chromium.
👉 brnw.ch/21wGh6f
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Naohiko Yoshikai retweeted
17 Jan 2024
Xiaoming Zeng (Sichuan Univ.) with a review on recent achievements in chromium-catalyzed cross coupling and C-H functionalization for #ScienceOfSynthesis. Edited by Naohiko Yoshikai (@ny_1978).
👉 brnw.ch/21wG99r
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Naohiko Yoshikai retweeted
11 Jan 2024
Manganese-catalyzed C-H Functionalization methods evaluated in a #ScienceOfSynthesis review by Congyang Wang and Yunhui Yang (Chinese Acad. Sci., Beijing). Edited by Naohiko Yoshikai (@ny_1978).
👉 brnw.ch/21wFYUW
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