Abstract
Resolvin D3 was synthesized by the Suzuki-Miyaura cross-coupling reaction of C1-C8 borane with C9-C22 iodoolefin as the key reaction. The latter intermediate was obtained by the sequential Wittig reactions of C9-C13 phosphonium salt with C14-C19 aldehyde and then C9-C19 aldehyde with propyltriphenylphosphonium bromide. The stereogenic centers at C4, C11, and C17 were constructed by the ruthenium-catalyzed asymmetric transfer hydrogenation with high stereoselectivity.
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