Total Synthesis of (±)-2-Pupukeanone
✍
Georg Fráter; Jean Wenger
📂
Article
📅
1984
🏛
John Wiley and Sons
🌐
German
⚖ 338 KB
## Abstract (±)‐2‐Pupukenone (**4**) has been synthesized, the key step being the intramolcular __Diels‐Alder__ reaction of the intermediate **13** to **14** (42%) and **15** (14%). The bromodiene **12** has been obtained from the reaction of α‐isopropylidene‐γ‐lactone (__Scheme 2__) **12** with so