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Beilstein J. Org. Chem. 2013, 9, 1170–1178, doi:10.3762/bjoc.9.131
Graphical Abstract
Figure 1: An aza-[3 + 3] annulation.
Scheme 1: Aza-[3 + 3] annulations with enones.
Figure 2: Possible natural-product targets.
Scheme 2: Synthesis of the annulation precursor enone 10.
Scheme 3: Propyleine-isopropeleine interconversion.
Figure 3: Relative stabilities of propyleine and isopropyleine.
Scheme 4: Retrosynthesis of propyleine (12).
Scheme 5: Synthesis of allyl alcohol 25.
Beilstein J. Org. Chem. 2011, 7, 410–420, doi:10.3762/bjoc.7.53
Scheme 1: 1,3-Hydrogen shifts of allenes.
Scheme 2: Synthesizing amido-dienes from allenamides.
Scheme 3: Synthesis of 1-amido-dienes from allenamides.
Figure 1: X-ray Structure of 10b.
Figure 2: Proposed mechanistic models.
Scheme 4: A favored pro-E TS.
Scheme 5: Unexpected competing 1,7-hydrogen shifts.
Scheme 6: Applications in pericyclic ring-closure.
Scheme 7: Cyclic 2-amido-diene synthesis.