DERIVATIVES OF THIOALKYLTHIOCEPHALOSPORIN OR THEIR PHARMACEUTICALLY ACCEPTABLE SALTS, ANTIBACTERIAL COMPOSITION Russian patent published in 1997 - IPC

FIELD: organic chemistry, antibiotics. SUBSTANCE: product: derivatives of thioalkylthiocephalosporin of the formula where acyl - lower halogenalkylthio(lower)alkanoyl or group of the formula where R³ - H, OH, imino, or group of the formula where: R⁴ - H, protective group; R⁵ - H, lower alkylene, oxygen, NOR⁶; R⁶ - H, protective group, lower alkyl, lower alkenyl, lower cycloalkyl, carboxy(lower)alkyl or carboxy(lower)alkenyl; Het - pyridyl, thiadiazolyl, triazolyl or tetrazolyl; R¹ - simple bond or methylene; R²- - methylene; X - S; Y - H. Synthesized compounds were used in medicine. EFFECT: improved method of synthesis. 3 cl