A new route to 5-aryl and 5-heteroaryl-2-pyrones via Suzuki coupling of a 2-pyrone-5-boronate ester

Gravett, Edward C., Hilton, Philip J, Jones, Keith and Peron, Jean-Marie (2003) A new route to 5-aryl and 5-heteroaryl-2-pyrones via Suzuki coupling of a 2-pyrone-5-boronate ester. Synlett, 2, 0253-0255. ISSN (print) 0936-5214

Abstract

A synthesis of boronate (III) is reported along with its use in Pd-catalyzed coupling reactions with aryl halides and triflates. Catalytic hydrogenation of the resulting products provides a rapid way of introducing a valerolactone residue onto an aromatic ring.

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