Pyrazolo[3,4-d]pyrimidine Prodrugs: Strategic Optimization of the Aqueous Solubility of Dual Src/Abl Inhibitors.

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).

journal_name

ACS Med Chem Lett

authors

Vignaroli G,Zamperini C,Dreassi E,Radi M,Angelucci A,Sanità P,Crespan E,Kissova M,Maga G,Schenone S,Musumeci F,Botta M

doi

10.1021/ml4000782

subject

Has Abstract

pub_date

2013-05-20 00:00:00

pages

622-6

issue

7

issn

1948-5875

journal_volume

4

pub_type

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