Pyrimidine matrix metalloproteinase inhibitors

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

Reexamination Certificate

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C514S227800, C514S235800, C514S252140, C544S060000, C544S295000, C544S315000, C544S330000, C544S122000

Reexamination Certificate

active

06936616

ABSTRACT:
Selective MMP-13 inhibitors are pyrimidine derivatives of the formulaor a pharmaceutically acceptable salt thereof,wherein:R2is hydrogen, halo, hydroxy, C1-C6alkyl, C1-C6alkoxy, C2-C6alkenyl, C2-C6alkynyl, NO2, NR4R5, CN, or CF3;E is independently O or S;A and B independently are OR4or NR4R5;R4and R5independently are H, C1-C6alkyl, C2-C6alkenyl, C2-C6alkynyl, (CH2)naryl, (CH2)ncycloalkyl, (CH2)nheteroaryl, or R4and R5when taken together with the nitrogen to which they are attached complete a 3- to 8-membered ring containing carbon atoms and optionally containing a heteroatom selected from O, S, or NH, and optionally substituted or unsubstituted;n is an integer of from 0 to 6.

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Office Action mailed Jun. 16, 2003, in U.S. 10/264,764, McKenzie.

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