申请人:Roussel Uclaf
公开号:US04307090A1
公开(公告)日:1981-12-22
Novel oximes of the syn isomers of 7-(2-amino-4-thiazolyl)-acetamido-cephalosporanic acid of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, chlorine, methoxy, alkyl and alkylthio of 1 to 5 carbon atoms, cycloalkyl of 3 to 5 carbon atoms, acetoxymethyl, carbamoyloxymethyl, ##STR2## A1K is 1 to 4 carbon atoms, azidomethyl and --CH.sub.2 --S--R' and R' is selected from the group consisting of a nitrogen heterocycle optionally substituted, acyl of an alkanoic acid of 2 to 4 carbon atoms, 2-oxo-(3H)-thiazolin-4-yl-carbonyl and 3-methyl-1,2-oxazol-5-ylcarbonyl, n is an integer from 2 to 4, R.sub.1, R.sub.2 and R.sub.3 are individually alkyl of 1 to 4 carbon atoms or together taken with the nitrogen atom they are attached to form a group selected from the group consisting of 1,4-diazobicyclo (2,2,2)octan-1-ylium and 1,3,5,7-tetraazatricyclo(3,3,1,1.sup.3,7) decan-1-ylium and their non-toxic, pharmaceutically acceptable acid addition salts having antibacterial properties and process for their preparation and novel intermediates.
本发明涉及一种7-(2-
氨基-4-
噻唑基)-乙酰胺基
头孢菌素的syn异构体的新型
肟类,其
化学式为##STR1## 其中R选自氢、
氯、甲氧基、1到5个碳原子的烷基和烷基
硫醚、3到5个碳原子的环烷基、乙酰氧甲基、
氨甲酰氧甲基、##STR2## A1K为1到4个碳原子、偶氮甲基和--CH.sub.2 --S--R',R'选自一氮杂环(可选取取代基)、2到4个碳原子的烷基酰基、2-氧代-(3H)-
噻唑啉-4-基甲酰和3-甲基-1,2-
噁唑-5-基甲酰,n为2到4的整数,R.sub.1、R.sub.2和R.sub.3各自为1到4个碳原子的烷基,或者与它们结合的氮原子一起形成选自1,4-二
氮杂双环(2,2,2)
辛烷-1-氧离子和1,3,5,7-四氮杂
三环(3,3,1,1.sup.3,7)
癸烷-1-氧离子的基团,以及其无毒、药学上可接受的酸盐,具有抗菌性质,以及制备它们的方法和新型中间体。