Total syntheses of (+)- and (−)-syringolides 3 and of (+)- and (−)-syributins 1, 2 and 3

The first total syntheses of (−)-syringolide 3, (+)-syributin 3 and their unnatural enantiomers (+)-syringolide 3 and (−)-syributin 3 using a common intermediate as starting material are described. In addition, total syntheses of (−)- and (+)-syributins 1 and 2 were accomplished by means of the same methodology.

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