A. Padwa, Jutatip Boonsombat, P. Rashatasakhon
Jul 26, 2005
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Influential Citations
43
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Journal
Organic letters
Abstract
The rhodium(II)-catalyzed cyclization/cycloaddition cascade of a o-carbomethoxyaryl diazo dione is described as a potential route to the oxatricyclo[6.3.1.0(0,0)]dodecane substructure of the icetexane diterpene komaroviquinone. The initially formed carbonyl ylide dipole prefers to cyclize to an epoxide at 25 degrees C but can be induced to undergo cycloaddition across the tethered pi-bond at higher temperatures. [reaction: see text]