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Protonation of Curcumin Triggers Sequential Double Cyclization in the Gas-Phase: An Electrospray Mass Spectrometry and DFT Study
ESI-protonated natural curcumin (1) undergoes gas-phase cyclization and dissociates via competitive expulsions of 2-methoxy phenol and C(4)H(4)O(2) (diketene or an isomer). Evidence from mechanistic mass spectrometry and from Density Functional Theory (DFT) reveals that a two-step sequential cycliza...
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| Publicado no: | Int J Mass Spectrom |
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| Main Authors: | , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2019
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6508607/ https://ncbi.nlm.nih.gov/pubmed/31080356 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.ijms.2019.01.002 |
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