Synthesis of a Model System for the Macrocyclic Subunit of the Oximidines

Abstract
Cross-coupling reaction of aryl triflate 1 and vinyl stannane 13 provided salicylic acid derivative 15. This compound was converted to the dihydroxy acid 16, which provided in a size-selective macrolactonization the two macrolides 17 and 18 in a ratio of 60 : 40. Compound 17 is a model of the macrocyclic core of the oximidines.

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