| abstract |
The present invention relates to compounds of formula (I) Wherein X is N or CR 1 ; Y is N or CR 2 ; R 1 is H, alkoxy, halogen, triazolyl, pyrimidinyl, Azolyl, iso azole, Diazolyl or pyrazolyl; R2 is H, alkyl, alkoxy or halogen; Z is NH or O; R3 is H, alkyl, alkoxyl, halogen or triazolyl ; R4 is H or an alkyl group; or R 3 and R 4 and the atoms they are connected together form a 6-membered aromatic ring or a 5-membered or 6-membered heteroaryl ring; R 5 is pyridyl, pyrazinyl or pyrimidinyl, wherein the pyridyl, pyrazinyl or pyrimidinyl is optionally substituted with halogen or alkyl; and n is 1 or 2. The present invention also describes methods of preparing compounds of formula I. The present invention also relates to pharmaceutical compositions comprising compounds of formula I. Methods of using the compounds of the invention are also within the scope of the invention. |