Intermediates useful in the preparation of diaminothiazoles

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

Reexamination Certificate

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C544S367000

Reexamination Certificate

active

07105670

ABSTRACT:
Disclosed are novel diaminothiazoles that are selective inhibitors of Cdk4. These compounds and their pharmaceutically acceptable salts and esters are anti-proliferative agents useful in the treatment or control of solid tumors, in particular breast, colon, lung and prostate tumors. Also disclosed are pharmaceutical compositions containing these compounds as well as intermediates useful in the preparation of the compounds.

REFERENCES:
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Senderowicz, A.M., et al. J. Nat'l. Cancer Inst. 2000 vol. 92 pp. 376-387.
Chong, Wesley, K. M., Presentation at Gordon Conference on Medicinal Chemistry, Colby Sawyer College, New London, NH “Novel ATP Site Inhibitors of the Cyclin Dependent Kinases”, Aug. 2, 1999 (Copy of Conference Handout Enclosed).
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Grant et al., Drug Resistance vol. 6, pp. 15-26 (2003).

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