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Publication Abstract from PubMed

To create highly efficient inhibitors for FK506-binding proteins, a new asymmetric synthesis for pro-(S)-C5 -branched [4.3.1] aza-amide bicycles was developed. The key step of the synthesis is an HF-driven N-acyliminium cyclization. Functionalization of the C5 moiety resulted in novel protein contacts with the psychiatric risk factor FKBP51, which led to a more than 280-fold enhancement in affinity. The most potent ligands facilitated the differentiation of N2a neuroblastoma cells with low nanomolar potency.

Rational Design and Asymmetric Synthesis of Potent and Neurotrophic Ligands for FK506-Binding Proteins (FKBPs).,Pomplun S, Wang Y, Kirschner A, Kozany C, Bracher A, Hausch F Angew Chem Int Ed Engl. 2014 Nov 20. doi: 10.1002/anie.201408776. PMID:25412894^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.