申请人:E.R. Squibb & Sons, Inc.
公开号:EP0127177A2
公开(公告)日:1984-12-05
Antibacterial activity is exhibited by ß-lactams having a 3-acylamino substituent and in the 1-position a substituent having the formula
wherein
R5 and R. are the same or different and each is hydrogen, alkyl, alkenyl, alkynyl, phenyl, substituted phenyl, cycloalkyl or a 4, 5, 6 or 7-membered heterocycle, or R6 and R6 together with the carbon atom to which they are attached are cycloalkyl or a 4, 5, 6 or 7-membered heterocycle, or one of R6 and R. is hydrogen and the other is azido, halomethyl, dihalomethyl, trihalomethyl, alkoxycarbonyl, alkenyl, alkynyl, 2-phenylethenyl, 2-phenylethynyl, carboxyl, -CH2X1, -S-X2,
R7 is hydrogen, alkyl, substituted alkyl, phenyl, substituted phenyl, 1-(ethoxycarbonyloxy)ethyl, 1,3-dihydro-3-oxo-1-isobenzofuranyl,
wherein R' is hydrogen or alkyl, R" is alkyl or phenyl, R"' is hydrogen, methyl or phenyl, and Riv is hydrogen or together with R"' is
and
R. is hydroxy, alkoxy, (substituted alkyl)-oxy, phenyloxy, (substituted phenyl)oxy, alkyl, substituted alkyl, phenyl, substituted phenyl, heteroaryl, amino, substituted amino, alkylthio, (substituted alkyl)thio, phenylthio. (substituted phenyl)thio, or
ß-内酰胺具有抗菌活性,其 3-酰氨基取代基和 1-位取代基的式为
其中
R5 和 R.相同或不同,且各自为氢、烷基、烯基、炔基、苯基、取代苯基、环烷基或 4、5、6 或 7 元杂环,或 R6 和 R6 连同其所连接的碳原子为环烷基或 4、5、6 或 7 元杂环,或 R6 和 R.中的一个为氢,另一个为叠氮基、烯基、炔基、苯基、取代苯基、环烷基或 4、5、6 或 7 元杂环。是氢,另一个是叠氮基、卤甲基、二卤甲基、三卤甲基、烷氧羰基、烯基、炔基、2-苯基乙烯基、2-苯基乙炔基、羧基、-CH2X1、-S-X2、
R7 是氢、烷基、取代的烷基、苯基、取代的苯基、1-(乙氧基羰酰氧基)乙基、1,3-二氢-3-氧代-1-异苯并呋喃基、
其中 R'是氢或烷基,R "是烷基或苯基,R"'是氢、甲基或苯基,Riv 是氢或与 R"'一起是
和
R.是羟基、烷氧基、(取代的烷基)-氧基、苯氧基、(取代的苯基)氧基、烷基、取代的烷基、苯基、取代的苯基、杂芳基、氨基、取代的氨基、烷硫基、(取代的烷基)硫基、苯硫基、(取代的苯基)硫基、(取代的苯基)硫基、(取代的苯基)硫基、(取代的苯基)硫基。(取代苯基)硫,或