Chondramide C: Synthesis, Configurational Assignment, and Structure–Activity Relationship Studies

Two solutions for one problem: Of the four isomers of chondramide C synthesized, the two shown in the scheme exhibit nearly the same conformation of the peptide segment and consequently unfold equal biological activities. Detailed facts of importance to specialist readers are published as "Supporting Information". Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.