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ChemCatChem誌に掲載決定！
Visible-Light-Induced Desulfurative Coupling of Alkyl Benzothiazolyl Sulfides with Electron-Deficient Alkenes/Alkynes: Dual Role of Base-Activated Hantzsch Ester
Tetsuya Sengoku, Koki Matsune, Takuma Shimotori, Nagisa Kikuchi, Haruto Hijikata, Shun Nishioka, and Reo Takahashi
ChemCatChem, 2025, 17, e202401427. (DOI: 10.1002/cctc.202401427) Open Access
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The Hantzsch ester anion acts not only as a photoreductant in the catalyst-free desulfurative coupling of alkyl benzothiazolyl sulfides with alkenes/alkynes, but also as a sacrificial reductant in an alternative organocatalytic reaction. The utility of this protocol is expanded to radical C-glycosylation, which includes a protective group-free substrate.
ChemRxiv, DOI:10.26434/chemrxiv-2024-bqs8z
AsianJOC誌に掲載決定！
Copper sulfate-catalyzed asymmetric 1,4-addition of amido-functionalized allylboronates to maleimides in water
Tetsuya Sengoku, Takuto Kajihara, Mari Inaba and Hidemi Yoda
Asian Journal of Organic Chemistry 2022, 11, e202100773. (DOI: 10.1002/ajoc.202100773)
A new application of amido-functionalized allylboronates to asymmetric 1,4-addition in water has been developed. Extremely high enantioselective 1,4-addition was achieved by employing N-mesityl maleimide as a substrate under CuSO4/bis(oxazoline) catalysis, affording the adduct with >99% ee.
Journal Information: Impact factor 2.7 (Q2, JCR 2022)
小川君、岩間君の論文がChem.Commun.誌に掲載決定！
A heavy-metal-free desulfonylative Giese-type reaction of benzothiazole sulfones under visible-light conditions
Tetsuya Sengoku, Daichi Ogawa, Haruka Iwama, Toshiyasu Inuzuka and Hidemi Yoda
Chemical Communications, 2021, 57, 9858–9861. (DOI: 10.1039/D1CC03833H)
A heavy-metal-free desulfonylative Giese-type reaction has been achieved by using Hantzsch ester as a photoreductant under blue light.
Journal Information: Impact factor 6.065 (Q1, JCR 2021)
前川君、今村君、和田君の論文がAdv. Synth. & Catal.誌に掲載決定！
Zinc Hydroxide‐Catalyzed Asymmetric Allylation of Acetophenones with Amido‐Functionalized Allylboronate in Water
Tetsuya Sengoku, Ryunosuke Maegawa, Hiroki Imamura, Mitsuo Wada and Hidemi Yoda
Advanced Synthesis & Catalysis, 2020, 362, 2397-2418. (DOI: 10.1002/adsc.202000195)
Enantioselective reaction of water‐stable amido‐functionalized allylboronates with acetophenone derivatives in water is reported. The reaction was catalyzed with zinc hydroxide and a didecylamino‐functionalized chiral aminophenol reagent, affording a variety of homoallylic alcohols in up to 99% yield. The enantiomeric excess of the product reached up to 98%.
Journal Information: Impact factor 5.837 (Q1, JCR 2020)