A Short Synthesis of (R,R)-(-)-Pyrenopho
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Mali, Raghao S. ;Pohmakotr, Manat ;Weidmann, Beat ;Seebach, Dieter
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Article
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1981
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John Wiley and Sons
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English
⚖ 751 KB
## Abstract Analysis of the known syntheses of pyrenophorin (**1**) (Scheme 1) reveals that they all rest upon the use of reagents with d^1^‐, d^3^‐, or a^2^‐reactivity umpolung for the establishment of at least one of the 1,4‐distances of functional groups. A different approach, outlined in Scheme