NIS-initiated photo-induced oxidative decarboxylative sulfoximidation of cinnamic acids
Nikita Chakraborty1, Kamal K Rajbongshi1,2, Anjali Dahiya1
1Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India. patel@iitg.ac.in.
Abstract:
N-Iodosuccinimide catalyzed, visible-light-induced oxidative decarboxylative cross-coupling between cinnamic acids and NH-sulfoximines is presented. This strategy results in the formation of α-keto-N-acyl sulfoximines via the construction of two new CO bonds and one C-N bond. The in situ-generated N-iodosulfoximine serves as the light-absorbing species in the absence of any external photosensitizer. The keto carbonyl and amidic carbonyl oxygen in the resulting product originate from dioxygen and water respectively.
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