Synthesis and antibacterial activity of some binaphthyl-supported macrocycles containing a cationic amino acid
As part of a programme investigating antibacterial cyclic macrocycles containing a cationic amino acid with an internal aromatic hydrophobic scaffold, we previously reported a macrocycle anchored at the 3,3-positions of a 1,1-binaphthyl unit. This was prepared via key intermediates containing an internal allylglycine and an allyl-substituted binaphthyl unit for a subsequent ring-closing metathesis reaction. This paper presents some structure-activity relationship studies with additional macrocycles based on this lead compound against Staphylococcus aureus together with the antibacterial activity of two related acyclic compounds. C 2011 Elsevier Ltd. All rights reserved.
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