Article ID Journal Published Year Pages File Type
5223053 Tetrahedron 2010 7 Pages PDF
Abstract

Phenyliodonium ylide of lawsone, activated by BF3·Et2O, reacts with electron-rich arenes to afford the corresponding 2-aryl-3-hydroxy-1,4-naphthoquinones, in a coupling reaction without metal catalysts. The same type of products, in greater variety and higher yields, are obtained from the reaction of the BF3·Et2O-activated ylide with aromatic aldehydes in a synthetically and mechanistically interesting deformylation reaction.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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