Patent ID: 8268845

Claim:
A compound of formula IV, wherein is a single or a double bond, R 1 is Ar 1 , R 2 is H or A, R 3 is H, CN, COOA, (CH 2 ) n NHA, (CH 2 ) n NA 2 , CONH 2 , CONHA, CONA 2 , (CH 2 ) n NHCONH 2 , (CH 2 ) n NHCONHA or (CH 2 ) n NHCONA 2 , R 4 is H, SO 2 Ar 2 , or A, R 5 is H or A, or is absent, if is a double bond, Ar 1 is phenyl, which is optionally substituted by one or more substituents selected from the group consisting of Hal, S-A, Ph, —O(CH 2 ) n -Ph and —N(CH 2 Ph) 2 , Ar 2 is phenyl, which is optionally substituted by one or more substituents selected from the group consisting of Hal, A and COOA, A is alkyl with 1-12 C-atoms or cycloalkyl with 3-12 C-atoms, wherein optionally 1-5 H atoms are replaced by F and/or Cl, Hal is F, Cl, Br or I, and n is 0, 1 or 2, with the provisos that at least one of R 3 , R 4 and R 5 must have a meaning other than H or is a double bond, and if is a single bond, R 4 is SO 2 Ar 2 , and R 5 is H or A, and if is a double bond, R 4 is H or A, and R 5 is absent, or a pharmaceutically acceptable salt, or stereoisomer thereof, or a mixture thereof.