申请人:Sankyo Company, Limited
公开号:US05242914A1
公开(公告)日:1993-09-07
Compounds of formula (I): ##STR1## in which R.sup.a is a group of formula (II): ##STR2## where one of R' is a bond to the remainder of the compound, one more of R' is R.sup.2 and the others of R' are all hydrogen, R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen, optionally substituted alkyl, halogen, hydroxy, alkoxy, amino, alkanoylamino, alkanoyloxy, alkanoyl, carboxy, alkoxycarbonyl, cyano, --S(O).sub.j R.sup.9 where j is 0, 1 or 2 and R.sup.9 is alkyl, or --CONR.sup.6 R.sup.7 which is optionally substituted carbamoyl or heterocyclyl-carbonyl, --NR.sup.3 R.sup.4 is optionally substituted amino or heterocyclic, and --COOR.sup.5 is carboxy, --COO.sup.-, --COOM.sub.x, where M is a cation and x is the reciprocal of the valence of the cation M or protected carboxy and, where --COOR.sup.5 is carboxy, --COOM.sub.x or protected carboxy, the compound of formula (I) also contains an anion; l, m and n are independently 0, 1, 2 or 3, provided that (m+n) is an integer from 2 to 6; p is 0, 1 or 2; Y is a single bond, oxygen, sulfur or ##STR3## wherein R.sup.8 is hydrogen, alkyl or alkanoyl, and pharmaceutically acceptable salts and esters thereof. Such compounds are useful as antibiotics.
式(I)的化合物:##STR1## 其中R.sup.a是式(II)的基团:##STR2## 其中R'中的一个是与化合物的其余部分成键的键,R'中的一个或多个是R.sup.2,其余的R'都是氢,R.sup.1是氢或甲基,R.sup.2是氢、可选取代的烷基、卤素、羟基、烷氧基、氨基、烷酰胺基、烷酰氧基、烷酰基、羧基、烷氧羰基、氰基、--S(O).sub.jR.sup.9(其中j为0、1或2,R.sup.9为烷基)或--CONR.sup.6R.sup.7(可选取代的氨基甲酰基或杂环基甲酰基),--NR.sup.3R.sup.4是可选取代的氨基或杂环基,--COOR.sup.5是羧基、--COO.sup.-、--COOM.sub.x(其中M为阳离子,x为阳离子M的价的倒数)或保护羧基,如果--COOR.sup.5是羧基、--COOM.sub.x或保护羧基,则式(I)的化合物还包含一个阴离子;l、m和n独立地为0、1、2或3,但(m+n)是2到6的整数;p为0、1或2;Y是单键、氧、硫或##STR3## 其中R.sup.8是氢、烷基或烷酰基,以及其药学上可接受的盐和酯。这些化合物可用作抗生素。