Studies of the Total Synthesis of Epothilone B and D: A Facile Synthesis of C7-C14 and C15-C21 Fragm

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A mild and highly efficient synthesis of C7-C14 and C15-C21 fragments of epothilone B and D is described in which racemic C7-C14 fragment is prepared from nerol through four steps, and C15-C21 fragment is obtained from 1, 3-dichloroacetone, thioacetamide and propionaldehyde.
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