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  • Title: Optimization of a dihydropyrrolopyrazole series of transforming growth factor-beta type I receptor kinase domain inhibitors: discovery of an orally bioavailable transforming growth factor-beta receptor type I inhibitor as antitumor agent.
    Author: Li HY, McMillen WT, Heap CR, McCann DJ, Yan L, Campbell RM, Mundla SR, King CH, Dierks EA, Anderson BD, Britt KS, Huss KL, Voss MD, Wang Y, Clawson DK, Yingling JM, Sawyer JS.
    Journal: J Med Chem; 2008 Apr 10; 51(7):2302-6. PubMed ID: 18314943.
    Abstract:
    In our continuing effort to expand the SAR of the quinoline domain of dihydropyrrolopyrazole series, we have discovered compound 15d, which demonstrated the antitumor efficacy with oral bioavailability. This effort also demonstrated that the PK/PD in vivo target inhibition paradigm is an effective approach to assess potential for antitumor efficacy. The dihydropyrrolopyrazole inhibitor 15d (LY2109761) is representative of a novel series of antitumor agents.
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