Patent ID: 8741893
Filing Date: 2014-06-03
Classification: A61K,A61P,C07D

Abstract:
1. A compound according to formula 1 or an addition salt thereof: wherein R 1 , R 2 , R 3 and R 4 are each independently selected from hydrogen, halogen, C 1 -C 20 -alkyl, C 1 -C 20 -haloalkyl, C 1 -C 20 -alkoxy, C 1 -C 20 -haloalkoxy, aryl, heteroaryl, amino, and alkylamino, or wherein R 3 and R 4 , are alicyclic, aryl or heteroaryl ring systems, which are optionally substituted by halogen, amino, C 1 -C 20 -alkyl, C 1 -C 20 -haloalkyl, C 1 -C 20 -alkoxy or C 1 -C 20 -haloalkoxy, mercapto, alkylthio, alkylamino, arylthio, heteroarylthio, arylamino or heteroarylamino, and wherein X is O or S.