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EnglishDesign and synthesis of prodrugs of promising drug candidates represents a valid strategy to overcome the lack of favorable ADME properties, in particular aqueous solubility and bioavailability. We report herein the successful application of this strategy with two representative pyrazolo[3,4-d]pyrimidine derivatives (1 and 2), which led to the development of the corresponding and highly water-soluble antitumor prodrugs (7 and 8). In vitro studies confirmed a significant improvement of aqueous solubility and, for compound 8, good plasma stability, suggesting superior in vivo bioavailability. As expected, the uncleaved water-soluble prodrugs 7 and 8 showed no activity toward the enzymatic targets (c-Src and c-Abl) but revealed promising antiproliferative activity in myeloid cell lines, as a consequence of the in vitro hydrolysis of the selected solubilizing moiety, followed by the release of the active compounds (1 and 2).
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| Titolo: | Pyrazolo[3,4-d]pyrimidine Prodrugs: Strategic Optimization of the Aqueous Solubility of Dual Src/Abl Inhibitors |
| Autori: | |
| Data di pubblicazione: | 2013 |
| Rivista: | |
| Abstract: | Design and synthesis of prodrugs of promising drug candidates represents a valid strategy to overcome the lack of favorable ADME properties, in particular aqueous solubility and bioavailability. We report herein the successful application of this strategy with two representative pyrazolo[3,4-d]pyrimidine derivatives (1 and 2), which led to the development of the corresponding and highly water-soluble antitumor prodrugs (7 and 8). In vitro studies confirmed a significant improvement of aqueous solubility and, for compound 8, good plasma stability, suggesting superior in vivo bioavailability. As expected, the uncleaved water-soluble prodrugs 7 and 8 showed no activity toward the enzymatic targets (c-Src and c-Abl) but revealed promising antiproliferative activity in myeloid cell lines, as a consequence of the in vitro hydrolysis of the selected solubilizing moiety, followed by the release of the active compounds (1 and 2). |
| Handle: | http://hdl.handle.net/11567/698118 |
| Appare nelle tipologie: | 01.01 - Articolo su rivista |
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