Abstract
The brevicomin carbon skeleton was efficiently constructed through a novel 2 + 3 + 4 sequence via organocuprate and Suzuki couplings. The Sharpless catalytic asymmetric dihydroxylation provided either naturally (+)-exo-brevicomin (+)-7 or its enantiomer, (−)-7, both in 95% ee, in 61% overall yield from allyl bromide.
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