Piperazinyl pyrimidine derivatives

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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Details

C514S252140, C514S252180, C514S252190, C540S601000, C544S295000

Reexamination Certificate

active

07902184

ABSTRACT:
The present invention relates to compounds of formula I and their pharmaceutically acceptable salts wherein formula I is:wherein X, Y, Z, R1and R2are as defined in the description and claims. The compounds of the present invention act as antagonists and/or inverse agonists at the histamine 3 receptor and are useful for the treatment and/or prevention of diseases such as obesity, metabolic syndrome (syndrome X), and other eating disorders.

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