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Beilstein J. Org. Chem. 2020, 16, 200–211, doi:10.3762/bjoc.16.23
Graphical Abstract
Figure 1: Chemical structure of representative approved drugs containing a spirocyclic moiety.
Scheme 1: Synthetic strategies for accessing pyrrolocyclopentenone derivatives, including the novel couple/pa...
Scheme 2: Couple/pair approach using combined KA2 and Pauson–Khand multicomponent reactions.
Scheme 3: Follow-up chemistry on compound 5 taking advantage of the enone chemistry. Reaction conditions. (i)...
Figure 2: Top: Selected NOE contacts from NOESY 1D spectra of compound 36; bottom: low energy conformer of 36...
Figure 3: PCA plot resulting from the correlation between PC1 vs PC2, showing the positioning in the chemical...
Figure 4: PMI plot showing the skeletal diversity of compounds 3–39 (blue diamonds) with respect to the refer...