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  Insights into the mechanism of energy transfer with poly(heptazine imide)s in deoximation reaction

Galushchinskiy, A., ten Brummelhuis, K., Antonietti, M., & Savateev, A. (2021). Insights into the mechanism of energy transfer with poly(heptazine imide)s in deoximation reaction. ChemPhotoChem, 5(11), 1020-1025. doi:10.1002/cptc.202100088.

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 Creators:
Galushchinskiy, Alexey1, Author           
ten Brummelhuis, Katharina2, Author           
Antonietti, Markus3, Author           
Savateev, Aleksandr1, Author           
Affiliations:
1Aleksandr Savateev, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2421702              
2Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863288              
3Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              

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Free keywords: carbon nitride, poly(heptazine imide), energy transfer, singlet oxygen, oxime
 Abstract: Following our previous studies on potassium poly(heptazine imide) (K-PHI) – catalyzed photooxidative [3+2] aldoxime-to-nitrile addition to form 1,2,4-oxadiazoles, we discovered that electron-rich oximes yield the parent aldehydes instead of target products. In this work, the mechanism of this singlet oxygen-mediated deoximation process was established using a series of control reactions and spectroscopic measurements such as steady-state and time-resolved fluorescence quenching experiments. Additionally, singlet-triplet energy gap value was obtained for K-PHI in suspension, and the reaction scope was broadened to include ketoximes.

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Language(s): eng - English
 Dates: 2021-07-162021
 Publication Status: Published in print
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 Identifiers: DOI: 10.1002/cptc.202100088
BibTex Citekey: https://doi.org/10.1002/cptc.202100088
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Title: ChemPhotoChem
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 5 (11) Sequence Number: - Start / End Page: 1020 - 1025 Identifier: ISSN: 2367-0932