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Beilstein J. Org. Chem. 2022, 18, 1741–1748, doi:10.3762/bjoc.18.183
Graphical Abstract
Scheme 1: Routes to crispatene, photodeoxytridachione, aureothin, and tridachiapyrone B.
Scheme 2: Desymmetrization of 2.
Scheme 3: Addition of lithiocyclopentadiene to pyrone 2.
Scheme 4: Plan to reach 2,5-cyclohexadienone 5.
Scheme 5: Preparation of 2,5-cyclohexadienone 5.
Scheme 6: Attempts to perform the conjugate addition.
Scheme 7: Updated route to tridachiapyrone B.
Beilstein J. Org. Chem. 2013, 9, 1480–1486, doi:10.3762/bjoc.9.168
Scheme 1: Synthetic approach toward N-arylpyrroles.
Scheme 2: Isomerization of pyrrolidine 4a (PMP: 4-methoxyphenyl).
Scheme 3: Preparation of N-arylpyrroles 5a–h (unless otherwise specified, yields in brackets refer to the iso...
Scheme 4: Variation of imines.
Scheme 5: Possible mechanism.
Scheme 6: Bis(heteroaryl)methylene oxidation of 5a–f.