☆ 4.4 Article

Bi(OTf)(3)-catalyzed solvent-free synthesis of pyrano[3,2-c]coumarins through a tandem addition/annulation reaction between chalcones and 4-hydroxycoumarins

TETRAHEDRON LETTERS (2013)

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Bi(OTf)(3)-catalyzed solvent-free synthesis of pyrano[3,2-c]coumarins through a tandem addition/annulation reaction between chalcones and 4-hydroxycoumarins

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