| abstract |
Chromanone derivatives of the formula I n n n in which n R 1 to R 4 are each, independently of one another, H, A, CN, Hal, OR 5 , COOR 5 , CF 3 , OCF 3 , NO 2 , Ar, OAr, N(R 5 ) 2 or CON(R 5 ) 2 , n R 5 is H or A, n A is alkyl having 1 to 6 carbon atoms, n Ar is phenyl which is unsubstituted or substituted by A, OR 5 , CN, Hal, CF 3 , OCF 3 , NO 2 or N(R 5 ) 2 , n Hal is F, Cl, Br or I, n and their salts, are suitable as intermediates in the synthesis of medicaments. |