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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Steady-state and time-resolved studies on the formation of skatolyl radicals photosensitized by 2-benzoylthiophene.

Quenching of the excited triplet state of 2-benzoylthiophene (BT) by 3-methylindole (CH3InH) leads to several neutral radicals resulting from formal hydrogen-atom abstraction. The transient absorption spectra of the BT ketyl radical (BTH) and the N-centered (CH3In) radical are directly detected by laser flash photolysis. From the differences between the spectra in the presence and the absence of oxygen, the C-centered skatolyl radical (CH2InH) is also observed. Accordingly, product studies demonstrate the formation of homodimers as well as cross-coupling products. They include BTH dimers (BTH-BTH, two stereoisomers), indolyl dimers (three different products) and products derived from reaction of skatolyl and BT ketyl radicals.[1]

References

  1. Steady-state and time-resolved studies on the formation of skatolyl radicals photosensitized by 2-benzoylthiophene. Pérez-Prieto, J., Galian, R.E., Morant-Miñana, M.C., Miranda, M.A. Photochem. Photobiol. Sci. (2003) [Pubmed]
 
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