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Title: Gold(III)-catalyzed tandem conjugate addition/annulation of 4-hydroxycoumarins with α,β-unsaturated ketones. Author: Liu Y, Zhu J, Qian J, Jiang B, Xu Z. Journal: J Org Chem; 2011 Nov 04; 76(21):9096-101. PubMed ID: 21950409. Abstract: An efficient and selective approach for the synthesis of functionalized pyranocoumarins has been developed via a gold(III)-catalyzed tandem conjugate addition/annulation reaction of 4-hydroxycoumarins with α,β-unsaturated ketones.[Abstract] [Full Text] [Related] [New Search]