| 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; R 2 is H, alkyl, alkoxy or halogen; Z is NH or O; R 3 is H, alkyl, alkoxy, halogen or triazolyl; R 4 is H or alkyl; or R 3 and R 4 together with the atoms to which they are attached form a 6-membered aromatic ring or a 5- or 6-membered heteroaromatic 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 present invention are also within the scope of the present invention. |