Beilstein J. Org. Chem.2011,7, 404–409, doi:10.3762/bjoc.7.52
tricyclo[6.4.0.01,5]dodecenone framework in a satisfactory yield.
Keywords: allene; bicyclo[4.3.0] derivatives; carbonylative [2 + 2 + 1] cycloaddition; quaternary center construction; rhodium; Introduction
The Co2(CO)8-mediated Pauson–Khand reaction (PKR) [1][2] is well recognized as a formal [2 + 2 + 1
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Graphical Abstract
Scheme 1:
Rh(I)-catalyzed Pauson–Khand type reaction of 1 and 4.