Abstract
The total synthesis of the biologically relevant compound honokiol has been completed featuring a samarium-mediated bis-benzoyl ester reduction to simultaneously install both allyl substituents found in the natural product. This reaction was performed after a Suzuki coupling was used to generate the biphenyl core, thereby avoiding problems associated with the acidity of these allyl groups and their propensity to isomerize. In this way, the synthesis of honokiol could be completed in 4 steps and 42% overall yield.
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