Photo-induced imino functionalizations of alkenes via intermolecular charge transfer
This journal is © The Royal Society of Chemistry..
A catalyst-free photosensitized strategy has been developed for regioselective imino functionalizations of alkenes via the formation of an EDA complex. This photo-induced protocol facilitates the construction of structurally diverse β-imino sulfones and vinyl sulfones in moderate to high yields. Mechanistic studies reveal that the reaction is initiated with an intermolecular charge transfer between oximes and sulfinates, followed by fragmentation to generate a persistent iminyl radical and transient sulfonyl radical. This catalyst-free protocol also features excellent regioselectivity, broad functional group tolerance and mild reaction conditions. The late stage functionalization of natural product derived compounds and total synthesis of some bioactive molecules have been demonstrated to highlight the utility of this protocol. Meanwhile, the compatibility of different donors has proved the generality of this strategy.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:14 |
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| Enthalten in: |
Chemical science - 14(2023), 40 vom: 18. Okt., Seite 11170-11179 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Xiang-Xin [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Revised 21.10.2023 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1039/d3sc03667g |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a This journal is © The Royal Society of Chemistry. | ||
| 520 | |a A catalyst-free photosensitized strategy has been developed for regioselective imino functionalizations of alkenes via the formation of an EDA complex. This photo-induced protocol facilitates the construction of structurally diverse β-imino sulfones and vinyl sulfones in moderate to high yields. Mechanistic studies reveal that the reaction is initiated with an intermolecular charge transfer between oximes and sulfinates, followed by fragmentation to generate a persistent iminyl radical and transient sulfonyl radical. This catalyst-free protocol also features excellent regioselectivity, broad functional group tolerance and mild reaction conditions. The late stage functionalization of natural product derived compounds and total synthesis of some bioactive molecules have been demonstrated to highlight the utility of this protocol. Meanwhile, the compatibility of different donors has proved the generality of this strategy | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Mei, Yong-Kang |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Ying-Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Ji, Ding-Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Wan, Boshun |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Qing-An |e verfasserin |4 aut | |
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