Chemistry Letters, Vol.35, No.4, 376-377, 2006
Synthesis of polycyclic coumarin derivatives by combined Claisen rearrangement, ring-closing metathesis, and Diels-Alder reaction
A new route to several hitherto unknown linearly and angularly architectured polycyclic coumarin derivatives has been developed involving tandem applications of three atom economic processes viz. Claisen rearrangement, ring-closing enyne metathesis, and Diels-Alder reactions.