| abstract |
"CHROMANONE DERIVATIVES". The present invention relates to chromanone derivatives of formula I wherein R 1 1 to R 4 are each independently H, A, CN, Hal, OR 5, COOR 5 5. , CF ~ 3 ~, OCF ~ 3 ~, NO ~ 2 ~, Ar, OAr, N (R ^ 5 ^) ~ 2 ~ or CON (R ^ 5 ^) ~ 2 ~, R ^ 5 ^ is H or A A is alkyl having 1 to 6 carbon atoms, Ar is phenyl which is unsubstituted or substituted by A, OR 4, CN, Hal, CF 3, OCF 3, NO 2 or N (R ^5 ^) ~2 ~, Hal is F, CI, Br or I, and salts thereof are suitable as intermediates in the synthesis of medicaments. |