K2S2O8-mediated decarboxylative oxysulfonylation of Cinnamic acid (cas 119-84-6)s: A transition-metal-free synthesis of β-keto sulfones

Add time:08/30/2019    Source:sciencedirect.com

A new paradigm of the oxidative decarboxylative sulfono functionalization of cinnamic acids with sulfinate salts mediated by K2S2O8 under aerobic conditions to afford synthetically and biologically relevant β-keto sulfones has been described. It is the first report on the transition-metal-free synthesis of β-keto sulfones from cinnamic acids, which employs environmentally benign, readily available and inexpensive starting materials and oxidants, viz. air and K2S2O8.

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