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  • Title: Convergent assembly of the spiroacetal subunit of didemnaketal B.
    Author: Fuwa H, Noji S, Sasaki M.
    Journal: Org Lett; 2010 Nov 19; 12(22):5354-7. PubMed ID: 21028885.
    Abstract:
    A highly convergent synthesis of the C9-C28 spiroacetal subunit of didemnaketal B has been accomplished. Assembly of the C9-C15 alkylborate and C16-C21 enol phosphate by means of Suzuki-Miyaura coupling and acid-catalyzed cyclization of the derived dihydroxy enol ether enabled a rapid and efficient construction of the spiroacetal subunit. The C22-C28 side chain was incorporated via Nozaki-Hiyama-Kishi coupling to complete the synthesis.
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