[1H-pyrazolo[3, 4-D]pyrimidin-4-yl]-piperidine or...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C514S262100, C544S262000

Reexamination Certificate

active

07994172

ABSTRACT:
The invention provides compounds of formula (I) and methods for inhibition of kinases, more specifically p70S6 kinases, and more preferably p70S6, Akt-1 and Akt-2 kinases. The invention provides compounds for modulating protein kinase enzymatic activity for modulating cellular activities such as proliferation, differentiation, programmed cell death, migration, chemoinvasion and metabolism. Compounds of the invention inhibit, regulate and/or modulate kinase receptor signal transduction pathways related to the changes in cellular activities as mentioned above, and the invention includes compositions which contain these compounds, and methods of using them to treat kinase-dependent diseases and conditions.

REFERENCES:
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patent: 2005/085249 (2005-09-01), None
patent: 2005/117909 (2005-12-01), None
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Chern, J et al., “Design, Synthesis, and Structure-Activity Relationships of Pyrazolo[3,4-d]pyrimidines: A Novel Class of Potent Enterovirus Inhibitors”, Bioorganic & Medicinal Chemistry Letters, vol. 14, No. 10, pp. 2519-2525, 2004.
Matsuno, K. et al., Potent and Selective Inhibitors of Platelet-Derived Growth Factor Receptor Phosphorylation. 3. Replacement of Quinazoline Moiety and Improvement of Metabolic Polymorphism of 4-[4-(N-Substituted (thio) carbamoyl-1-piperazinyl]-6,7-dimethoxyquinazoline Derivatives, J. Med. Chem., vol. 46, No. 23, pp. 4910-4925, 2003.
Quintela, J. M. et al., “Pyrazolopyrimidines: Synthesis, Effect on Histamine Release From Rat Peritoneal Mast Cells and Cytotoxic Activity”, Eur. J. Med. Chem, vol. 36, vol. 4, pp. 321-332, 2001.
Quintela, J .M. et al., “6-Dimethylamino 1-H-Pyrazolo[3,4-d]pyrimidine Derivatives as New Inhibitors of Inflammatory Mediators in Intact Cells”, Bioorganic & Medicinal Chemistry, vol. 11, vol. 6, pp. 863-868, 2003.
Wu, T. Y. H. et al., “One-Pot Two-Step Microwave-Assisted Reaction in Constructing 4,5-Disubstituted Pyrazolopyrimidines”, Organic Letters, vol. 5, No. 20, pp. 3587-3590, 2003.

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