A general solid phase method for the synthesis of depsipeptides

Abstract

Herein we describe the synthesis of depsipeptide sequences in which the backbone is composed of alternating esters and amides. Our methodology is based on the synthesis and protection of a depsidipeptide block, which is used as the growing unit for manual SPPS. We have explored Fmoc/OBzl and Fmoc/tBu SPPS strategies, and found the latter to be most compatible with our methodology.