Beilstein J. Org. Chem.2013,9, 557–576, doi:10.3762/bjoc.9.61
the allylation procedure with the simplest vinyl epoxide to furnish derivative 148. It is interesting to note that the carbon–carbon bond formation takes place in ketoester xanthate 146 on the carbon bearing the least acidic hydrogens. Triethylborane, through its autoxidation, serves to initiate the
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Graphical Abstract
Scheme 1:
Key radical step in the total synthesis of (–)-dendrobine.