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Article: Controllable Photocleavage of Blebbistatin Derivatives as Photoremovable Protecting Groups
Title | Controllable Photocleavage of Blebbistatin Derivatives as Photoremovable Protecting Groups |
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Authors | |
Issue Date | 15-Aug-2023 |
Publisher | American Chemical Society |
Citation | Journal of Physical Chemistry Letters, 2023, v. 14, p. 7507-7512 How to Cite? |
Abstract | Blebbistatin was demonstrated as a promising two-photon near-infrared activated photoremovable protecting group of hydroxyl radicals with various potential applications. However, the photocleavage mechanism of the blebbistatin derivatives remains ambiguous. Herein, blebbistatin derivatives with various electronic characteristic leaving groups were synthesized and studied, and the photocleavage mechanism(s) and the tunable effect of the leaving groups were unveiled by combining photoproduct analysis, reactive oxygen radical species detection, femtosecond transient absorption spectroscopy, and density functional theory calculation. More substantial electron-withdrawing leaving groups facilitate heterolysis of the C-O bond, which results in a cationic intermediate and a corresponding remnant. Weaker electron-withdrawing groups lead to a higher proportion of homolysis of the C-O bond, accompanied by the generation of the reactive oxygen radical species. With this structure-property relationship, the protected groups of the molecules of interest can be rationally chosen to satisfy the different requirements needed for specific applications. |
Persistent Identifier | http://hdl.handle.net/10722/331322 |
ISSN | 2023 Impact Factor: 4.8 2023 SCImago Journal Rankings: 1.586 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Lu, Zi-Gang | - |
dc.contributor.author | Chen, Wenbin | - |
dc.contributor.author | Phillips, Lee David | - |
dc.contributor.author | Li, Ming-De | - |
dc.date.accessioned | 2023-09-21T06:54:42Z | - |
dc.date.available | 2023-09-21T06:54:42Z | - |
dc.date.issued | 2023-08-15 | - |
dc.identifier.citation | Journal of Physical Chemistry Letters, 2023, v. 14, p. 7507-7512 | - |
dc.identifier.issn | 1948-7185 | - |
dc.identifier.uri | http://hdl.handle.net/10722/331322 | - |
dc.description.abstract | <p>Blebbistatin was demonstrated as a promising two-photon near-infrared activated photoremovable protecting group of hydroxyl radicals with various potential applications. However, the photocleavage mechanism of the blebbistatin derivatives remains ambiguous. Herein, blebbistatin derivatives with various electronic characteristic leaving groups were synthesized and studied, and the photocleavage mechanism(s) and the tunable effect of the leaving groups were unveiled by combining photoproduct analysis, reactive oxygen radical species detection, femtosecond transient absorption spectroscopy, and density functional theory calculation. More substantial electron-withdrawing leaving groups facilitate heterolysis of the C-O bond, which results in a cationic intermediate and a corresponding remnant. Weaker electron-withdrawing groups lead to a higher proportion of homolysis of the C-O bond, accompanied by the generation of the reactive oxygen radical species. With this structure-property relationship, the protected groups of the molecules of interest can be rationally chosen to satisfy the different requirements needed for specific applications.<br></p> | - |
dc.language | eng | - |
dc.publisher | American Chemical Society | - |
dc.relation.ispartof | Journal of Physical Chemistry Letters | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Controllable Photocleavage of Blebbistatin Derivatives as Photoremovable Protecting Groups | - |
dc.type | Article | - |
dc.identifier.doi | 10.1021/acs.jpclett.3c01574 | - |
dc.identifier.scopus | eid_2-s2.0-85168790770 | - |
dc.identifier.volume | 14 | - |
dc.identifier.spage | 7507 | - |
dc.identifier.epage | 7512 | - |
dc.identifier.eissn | 1948-7185 | - |
dc.identifier.isi | WOS:001048441800001 | - |
dc.identifier.issnl | 1948-7185 | - |