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- Title
Fast Cyclization of a Proline‐Derived Self‐Immolative Spacer Improves the Efficacy of Carbamate Prodrugs.
- Authors
Dal Corso, Alberto; Borlandelli, Valentina; Corno, Cristina; Perego, Paola; Belvisi, Laura; Pignataro, Luca; Gennari, Cesare
- Abstract
Self‐immolative (SI) spacers are sophisticated chemical constructs designed for molecular delivery or material degradation. We describe herein a (S)‐2‐(aminomethyl)pyrrolidine SI spacer that is able to release different types of anticancer drugs (possessing either a phenolic or secondary and tertiary hydroxyl groups) through a fast cyclization mechanism involving carbamate cleavage. The high efficiency of drug release obtained with this spacer was found to be beneficial for the in vitro cytotoxic activity of protease‐sensitive prodrugs, compared with a commonly used spacer of the same class. These findings expand the repertoire of degradation machineries and are instrumental for the future development of highly efficient delivery platforms.
- Subjects
PRODRUGS; HYDROXYL group; PROTEOLYTIC enzymes; ANTINEOPLASTIC agents; GRANZYMES
- Publication
Angewandte Chemie, 2020, Vol 132, Issue 10, p4205
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201916394