X is sulfur or CH2; R 1 is hydrogen, hydroxy, amino, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, phenyl optionally substituted with one to three C 1-6 alkyl, C 1-6 alkyloxy or hydroxy, C 1-6 alkylthio, phenylthio optionally substituted with one to three C 1-6 alkyl or C 1-6 alkyloxy on the phenyl ring, phenylmethyloxy optionally substituted with one to three C 1-6 alkyl or C 1-6 alkyloxy on the phenyl ring, 1-morpholino, C 1-6 alkyloxy, C 2-6 alkenylmethyloxy, C 3-6 alkynylmethyloxy, C 1-6 alkylamino, C 1-6 dialkylamino or a radical selected from the group consisting of and
in which n is 0 to 3, R 5 is C 1-6 alkyl or hydrogen, and R 3 and R 4 are independently C 1-6 alkyl ; R 2 is hydrogen, a conventional amino protecting group or an acyl group ; R° is hydrogen or a conventional carboxy protecting group, or -CO Z R° taken together forms a physiologically hydrolyzable ester; or pharmaceutically acceptable salts or solvates thereof.
摘要翻译:式I化合物其中X是硫或CH2; R 1是氢,羟基,氨基,C 1-6烷基,C 2-6烯基,C 2-6炔基,任选地被一至三个C 1-6烷基,C 1-6烷氧基或羟基,C 1-6烷硫基, 任选被苯基环上一至三个C 1-6烷基或C 1-6烷氧基取代的苯硫基,苯基环上任选被一至三个C 1-6烷基或C 1-6烷氧基取代的苯基甲氧基,1-吗啉代,C 1-6烷氧基 ,C 2-6烯基甲氧基,C 3-6炔基甲氧基,C 1-6烷基氨基,C 1-6二烷基氨基或选自下组的基团,其中n为0至3,R 5为C 1-6烷基或 氢,R 3和R 4独立地是C 1-6烷基; R 2是氢,常规的氨基保护基或酰基; R DEG是氢或常规的羧基保护基,或-CO 2 R 2一起形成生理上可水解的酯; 或其药学上可接受的盐或溶剂化物。 婷
wherein X is sulfur or CH2; R 1 is hydrogen, hydroxy, amino, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, phenyl optionally substituted with one to three C 1-6 alkyl, C 1-6 alkyloxy or hydroxy, C 1-6 alkylthio, phenylthio optionally substituted with one to three C 1-6 alkyl or C 1-6 alkyloxy on the phenyl ring, phenylmethyloxy optionally substituted with one to three C 1-6 alkyl or C 1-6 alkyloxy on the phenyl ring, 1-morpholino, C 1-6 alkyloxy, C 2-6 alkenylmethyloxy, C 3-6 alkynylmethyloxy, C 1-6 alkylamino, C 1-6 dialkylamino or a radical selected from the group consisting of and
in which n is 0 to 3, R 5 is C 1-6 alkyl or hydrogen, and R 3 and R 4 are independently C 1-6 alkyl ; R 2 is hydrogen, a conventional amino protecting group or an acyl group ; R° is hydrogen or a conventional carboxy protecting group, or -CO Z R° taken together forms a physiologically hydrolyzable ester; or pharmaceutically acceptable salts or solvates thereof.
摘要:
Novel cephem derivatives represented by the general formula
in which the Acyl substituent is a group of the formula
wherein Ar is a lipophilic optionally substituted phenyl, naphthyl, pyridyl or benzthiazolyl group; R 1 is selected from certain optionally substituted aliphatic, aromatic, arylaliphatic or sugar moieties and R 2 and R 3 are each independently hydrogen, alkyl or aminoalkylcarbonylamino are gram-positive antibacterial agents, especially useful in the treatment of infectious diseases caused by methicillin-resistant Staphylococcus aureus (MRSA).
摘要:
Novel cephem derivatives represented by the general formula
in which the Acyl substituent is a group of the formula
wherein Ar is a lipophilic optionally substituted phenyl, naphthyl, pyridyl or benzthiazolyl group; R 1 is selected from certain optionally substituted aliphatic, aromatic, arylaliphatic or sugar moieties and R 2 and R 3 are each independently hydrogen, alkyl or aminoalkylcarbonylamino are gram-positive antibacterial agents, especially useful in the treatment of infectious diseases caused by methicillin-resistant Staphylococcus aureus (MRSA).