Compounds of the formula ##STR1## wherein A is phenyl, 4-hydroxy-phenyl, 2-thienyl or 3,4-dihydroxy-phenyl; and R is ##STR2## where R.sub.1 and R.sub.2, which may be identical to or different from each other, are each methylmercapto or amino; Z' is oxygen, sulfur or .dbd.NR.sub.3 ; R.sub.3 is hydrogen, alkyl of 1 to 3 carbon atoms or hydroxy-(alkyl of 1 to 3 carbon atoms); R.sub.4 is hydrogen, hydroxyl, hydroxymethyl or methyl; n is 2, 3 or 4; Y is --SO.sub.2 NH--, --SO-- or --SO.sub.2 --; Z is straight or branched alkylene of 1 to 3 carbon atoms; X is hydroxyl, aminocarbonyl, aminosulfonyl, formylamino, acetylamino, amino, methylsulfinyl, methylsulfonyl or ##STR3## or --Y--Z--X is ##STR4## and non-toxic, pharmacologically acceptable salts thereof formed with inorganic or organic bases. The compounds as well as the salts are useful as antibiotics.
该文献介绍的是一类化合物的公式,其中A为苯基、
4-羟基苯基、2-
噻吩基或3,4-二羟基苯基;R为R1和R2,它们可以相同也可以不同,分别为甲
硫基或
氨基;Z'为氧、
硫或.dbd.NR3;R3为氢、1至3个碳原子的烷基或羟基-(1至3个碳原子的烷基);R4为氢、羟基、羟甲基或甲基;n为2、3或4;Y为--SO2NH--、--SO--或--SO2--;Z为1至3个碳原子的直链或支链烷基;X为羟基、
氨基羰基、
氨基磺酰基、甲酰
氨基、乙酰
氨基、
氨基、甲基亚砜基、甲基磺酰基或--Y--Z--X为--SO2NH--
CH2-- --OH或--SO2NH--CH(
CH3)--OH;以及与无机或有机碱形成的非毒性、药理学上可接受的盐。这些化合物以及盐对抗生素具有用途。