| abstract |
A subject of the invention is the compounds of formula (I):R1=H, OH, alkyl, alkenyl or alkynyl optionally substituted or alkoxy,R2=H, Hal,R3=H, alkyl, Hal,Rg and Rh: H, alkyl, aryl heterocycle,R5=H or O-alkyl,R6=alkyl or CH2-O-alkyl,R7=H or alkyl.The compounds of formula (I) have antibiotic properties. |