Ring-Extended Gramicidin S Analogs Containing<i>cis δ</i>-Sugar Amino Acid Turn Mimetics with Varying Ring Size
作者:Annemiek D. Knijnenburg、Emile Spalburg、Albert J. de Neeling、Roos H. Mars-Groenendijk、Daan Noort、Gijsbert M. Grotenbreg、Gijs A. van der Marel、Herman S. Overkleeft、Mark Overhand
DOI:10.1002/hlca.201200497
日期:2012.12
presents a series of ring‐extended gramicidinS derivatives, 9–14, that have four ornithine residues as polar protonated side chains and one modified turn region containing a mono‐functionalized cis‐δ‐oxetane, δ‐furanoid, or δ‐pyranoid sugar aminoacid residue. Of the GS analogs evaluated, we identified compound 7, which contains the mono‐benzyloxy cis‐δ‐pyranoid sugar aminoacid, as having a better