The reaction mechanism of Cu-catalyzed C-H hydroxylation/C-S coupling was studied using electrospray ionization high resolution mass spectrometry (ESI-HR MS) and density functional theory calculations (DFT). Notably, a series of Cu and Cu complexes were observed as key intermediates and identified using ESI-HR MS. Furthermore, a catalyst cycle involving proton abstraction/oxidative addition/reductive elimination was proposed. This study is important and valuable with respect to C-H functionalization.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6150210 | PMC |
http://dx.doi.org/10.3390/molecules22111912 | DOI Listing |
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