620627-67-0Relevant articles and documents
Synthesis of fused oxabicyclic systems by metal-catalyzed intramolecular addition of 1,3-cycloalkyldiones to alkynes
Gulias, Moises,Rodriguez, J. Ramon,Castedo, Luis,Mascarenas, Jose L.
, p. 1975 - 1977 (2003)
(Matrix presented) Readily available 4-propargyl-1,3-cyclohexanediones and cyclopentanediones can be chemo- and regioselectively cycloisomerized to synthetically appealing fused oxabicyclic systems by simply stirring at room temperature with catalytic amounts of an appropriate metal complex.