Phosphatase inhibitors and methods of use thereof

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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514313, 514314, 514326, 514340, 514255, 544369, 546167, 546169, 546171, 546209, 5462714, A61K 3142, C07D26332

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active

057008213

ABSTRACT:
The present invention is directed to compounds having the formula: ##STR1## The invention further provides a method of making the compounds. The compounds are useful as inhibitors of protein phosphatases, for example PP1, PP2A, PP3, CDC25A and CDC25B. The invention is further directed to a method of inhibiting a protein phosphatase, a method of inhibiting cell proliferation, and pharmaceutical compositions comprising the subject compounds.

REFERENCES:
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MacKintosh et al. (1995) FEBS Letters 371: 236.
Murray et al. (1994) Annual Reports in Medicinal Chemistry 29: 255.
Nishiwaki et al. (1990) Carcinogenesis 11: 1837.
Quinn et al. (1993) Bioorganic and Medicinal Chemistry Letters 3: 1029.
Sugiyama et al. (1995) Bioorganic and Medicinal Chemistry Letters 6: 3.
Takai et al. (1992) Biochem. J. 284: 539.
Taylor et al. (1992) Bioorganic and Medicinal Chemistry Letters 2: 299.
Thompson et al. (1996) Chem. Rev. 96: 555.

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