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Beilstein J. Org. Chem. 2015, 11, 2487–2492, doi:10.3762/bjoc.11.270
Graphical Abstract
Figure 1: Structure of FR-225497 (4) and related cyclic tetrapeptides.
Figure 2: Synthetic planning for the design of analogues of 4.
Scheme 1: Preparation of the macrocyclic template 13.
Scheme 2: Synthesis of nor-FR225497 (15).
Scheme 3: Synthesis of oxygenated ethyl vinyl ketones.
Scheme 4: Synthesis of analogues of FR-225497.