| abstract |
(57) Abstract The subject of the present invention is a compound of formula (I): 中 wherein R 1 ＨH, OH, alkyl, alkenyl or alkynyl (substituted as appropriate) or alkoxy, R 2 ＨH, Hal, R 3 ＨH, alkyl, Hal, R 4 −NRg-Rh ( here, Rg and Rh are, H, aryl or heterocycle, R 5 = H or O- alkyl, R 6 = alkyl or CH 2 -O- alkyl, R 7 = H or alkyl}. the compounds of formula (I) Has antibiotic properties. |