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  Synthesis of thioxanthone 10,10-dioxides and sulfone-fluoresceins via Pd-catalyzed sulfonylative homocoupling

Knorr, G., Bossi, M. L., Butkevich, A. N., & Hell, S. W. (2024). Synthesis of thioxanthone 10,10-dioxides and sulfone-fluoresceins via Pd-catalyzed sulfonylative homocoupling. Organic Letters, 26(4), 945-949. doi:10.1021/acs.orglett.3c04300.

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 Creators:
Knorr, Gergely1, Author           
Bossi, Mariano Luis1, Author           
Butkevich, Alexey N.1, Author           
Hell, Stefan W.1, Author                 
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1Optical Nanoscopy, Max Planck Institute for Medical Research, Max Planck Society, ou_2364730              

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 Abstract: Our report describes the facile and scalable preparation of 9H-thioxanthen-9-one 10,10-dioxides via Pd-catalyzed sulfonylative homocoupling of the appropriately substituted benzophenones. This transformation provides a straightforward route to previously unreported sulfone-fluoresceins and -fluorones. Several examples of these red fluorescent dyes have been prepared, characterized, and evaluated as live-cell permeant labels compatible with super-resolution fluorescence microscopy with 775 nm stimulated emission depletion.

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Language(s): eng - English
 Dates: 2024-01-082023-12-212024-01-122024-01-182024-02-02
 Publication Status: Issued
 Pages: 5
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 Rev. Type: Peer
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Title: Organic Letters
  Abbreviation : Org. Lett.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 26 (4) Sequence Number: - Start / End Page: 945 - 949 Identifier: ISSN: 1523-7060
CoNE: https://pure.mpg.de/cone/journals/resource/954925626338