Synthesis of biaryls by intramolecular radical transfer in phosphinates.
Phosphinates 20a-35a give biaryls 20b-35b on heating with stannanes in the presence of AIBN. The process involves a radical ipso substitution on the migrating aryl ring.
Clive
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Chemistry Department, University of Alberta, Edmonton, Alberta, Canada T6G 2G2. derrick.clive@ualberta.ca
Kang
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