| Abstract
| - We have developed a concise, convergent, and stereocontrolled synthesis of (±)-leucascandrolide A (18 steps from commercially available precursors), featuring a complete relay of the initial stereochemical information via a series of diastereoselective transformations. Spontaneous macrolactolization discovered during this synthetic exercise has provided unprecedented access to this macrolide and demonstrated the possibility of accessing even large-ring systems in a highly controlled and efficient manner.
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