scaffolds: An isocyanide equipped with an environment‐sensitive fluorophore was used to synthesize peptide macrocycles. The photophysical properties of the product macrocycles are sensitive to both peptide sequence and configuration. A mitochondria‐penetrating peptide was constrained within a cyclic peptide framework and showed increased uptake and localization relative to a linear control (see scheme)
敏感支架:配有对环境敏感的荧光团的
异氰酸酯可用于合成肽大环化合物。产物大环化合物的光物理性质对肽序列和构型均敏感。线粒体穿透肽被限制在环状肽框架内,并且相对于线性对照显示出增加的摄取和定位(参见方案)。