Purine derivatives and their use for treatment of autoimmune...

Details Purine derivatives and their use for treatment of autoimmune... Purine derivatives and their use for treatment of autoimmune...

2006-05-15

2011-12-20

Berch, Mark (Department: 1622)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C435S007100, C530S413000, C544S277000, C544S264000

Reexamination Certificate

active

08080555

ABSTRACT:
Compounds useful in the treatment of autoimmune disease are described by the following general formula:n=0-2m=0-2m is not necessarily equal to n;where R1, R3═NH2, F, Cl, C1-C4alkoxy or phenoxy group, but R1is not necessarily equal to R3; andR2═H, F, Cl, NH2, or NH—R—XH;

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