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Beilstein J. Org. Chem. 2014, 10, 2664–2670, doi:10.3762/bjoc.10.280
Graphical Abstract
Figure 1: Selected theoretically interesting molecules.
Figure 2: Retrosynthetic approach toward bis-annulated PCUD.
Scheme 1: The synthesis of diallylated tricyclic diene 19.
Scheme 2: The synthesis of diallylated pentacyclic dione 20.
Scheme 3: The synthesis of heptacyclic diol 22.
Figure 3: (a) Optimized structure of 22 (b) Ancient flying machine “Pushpak Viman”.
Scheme 4: The synthesis of diallylated hexacyclic diols.
Scheme 5: The attempted synthesis of heptacyclic diol via ring-rearrangement metathesis.