| abstract |
Chromanone derivatives of the formula Iin whichR<1 >to R<4 >are each, independently of one another, H, A, CN, Hal, OR<5>, COOR<5>, CF3, OCF3, NO2, 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<5>, CN, Hal, CF3, OCF3, NO2 or N(R<5>)2,Hal is F, Cl, Br or I,and their salts, are suitable as intermediates in the synthesis of medicaments. |