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Cyclopeptides (CPs) have been recognized as excellent templates for the rational design of biologically active compounds. However, in the absence of constraining elements, even the small cyclotetrapeptides (CTPs) and cyclopentapeptides (CPPs) may show conformational heterogeneity, with the occurrence of mixtures of cis/trans‐peptide bonds. In this paper, we discuss the synthesis of CTP and CPP model...