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Cyclic oligochalcogenides are emerging as powerful tools to penetrate cells. With disulfide ring tension maximized, selenium chemistry had to be explored next to enhance speed and selectivity of dynamic covalent exchange on the way into the cytosol. We show that diseleno lipoic acid (DiSeL) delivers a variety of relevant substrates. DiSeL‐driven uptake of artificial metalloenzymes enables bioorthogonal...
The glycosylation of cell‐penetrating poly(disulfide)s (CPDs) is introduced to increase the solubility of classical CPDs and to achieve multifunctional cellular uptake. With the recently developed sidechain engineering, CPDs decorated with α‐d‐glucose (Glu), β‐d‐galactose (Gal), d‐trehalose (Tre), and triethyleneglycol (TEG) were readily accessible. Confocal laser scanning microscopy images of HeLa...
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