155768-97-1Relevant articles and documents
Purine derivatives
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, (2008/06/13)
A compound of formula (I), or a pharmaceutically acceptable salt thereof: STR1 wherein X is hydrogen, amino, halogen, hydroxy, lower alkoxy or lower alkyl andR 1 is STR2 wherein Y is methylene or a valence bond, R 2 and R 5 is H or lower, straight or branched alkyl,R 3 is H or lower alkyl, orR 2 and R 3 can together form a cyclobutyl, cyclopentyl, cyclohexyl or phenyl ring,Z is oxygen, methylene, sulphur, sulphonyl or a valence bond,R 4 is H, lower alkyl, aralkyl, a mono or bicyclic aromatic system optionally substituted with various groups.The compounds have been found useful for treating central nervous system ailments.