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Beilstein J. Org. Chem. 2010, 6, No. 45, doi:10.3762/bjoc.6.45
Graphical Abstract
Scheme 1: Synthesis of novel tricyclic heterocycles from pentafluoropyridine.
Scheme 2: Synthetic route to dioxa-diaza-anthracene derivatives.
Scheme 3: Reactions of tetrafluoropyridazine 3 with sodium phenoxide.
Scheme 4: Synthesis of dioxa-1,2-diaza-anthracene scaffold 5.
Scheme 5: Mechanism of formation of 5.
Scheme 6: Reactions of dioxa-1,2-diaza-anthracene scaffold 5 with nucleophiles.
Figure 1: Molecular structure of 4-allylamino-3-fluoro-9,10-dioxa-1,2-diaza-anthracene (9b).
Beilstein J. Org. Chem. 2008, 4, No. 22, doi:10.3762/bjoc.4.22
Figure 1: Pharmaceuticals with pyrimidine sub-units.
Scheme 1: Use of 2,4,6-trichloropyrimidine as a core scaffold. Reagents and Conditions: a) bis(4-methoxybenzy...
Scheme 2: Reaction of 1 with benzamidine.
Figure 2: Molecular structure of 3g.