摘要:
The present invention relates to novel 4H-1,4-benzothiazine derivatives and a method for their synthesis. The invention also relates to the pharmaceutical use of said derivatives, in particular their use as anti-infective agents, as agents for promoting growth and for improving feed stuff utilization in animals, and as preservations.
摘要:
The invention relates to 3-sulphonyl-benzo-1,2,4-triazines and their 1-oxides, useful as antibacterial and antifungal agents. Also included in the invention are methods for the preparation of said benzo-1,2,4-triazine compounds, pharmaceutical compositions containing said benzo-1,2,4-triazines and methods for the use of said compounds and compositions.
摘要:
New .beta.-lactam antibiotics of the formula ##STR1## in which A is hydrogen or methoxy,B is phenyl optionally substituted by hydroxyl, halogen, methoxy, --CN and/or CH.sub.3 --SO.sub.2 --; thienyl; cyclohexenyl; 1,4-cyclohexadien-1-yl; or furyl,E is oxygen or sulphur,n is an integer having a value of 1 or 2,Y is a group of the formula ##STR2## T is hydrogen, alkyl--CO--O--, hydroxyl, pyridinium, aminopyridinium, carbamoyloxy, azido, cyano, optionally N-substituted thiocarbamoylthio, optionally substituted-S-phenyl, or a --S--Het group in which Het represents an optionally substituted heterocyclic 5-membered or 6-membered ring,U is oxygen, sulphur or --CH.sub.2 --,Z is a group of the formula ##STR3## R.sup.1, R.sup.2 and R.sup.3 each is hydrogen or various organic radicals, i.e. compounds wherein Z is an olefinic or hydrated olefinic radical directly connected to the ring nitrogen, or salts thereof, are antibacterially active and useful as antibiotics in pharmacy, as animal feed supplements for promoting growth, and as preservatives.
摘要:
Antibacterially active and animal growth-promoting novel .beta.-lactam compounds of the formula ##STR1## in which R.sup.1 represents the radical ##STR2## Y representing N or CR.sup.9, or Y--R.sup.7 representing ##STR3## Z representing O, S, or NR.sup.10, and R.sup.2 represents hydrogen or a protective group.
摘要:
Antibacterially active and animal growth-promoting novel .beta.-lactam compounds of the formula ##STR1## in which R.sup.1 represents the radical ##STR2## Y representing N or CR.sup.9, or Y--R.sup.7 representing >C.dbd.O or >C.dbd.N--R.sup.7,Z representing O, S, or NR.sup.10, andR.sup.2 represents hydrogen or a protective group.
摘要翻译:其中R 1表示代表N或CR 9的基团,或表示> C = O或> C = N-R 7的Y-R 7,所述式为“IMAGE”的抗菌活性和动物生长促进性新型β-内酰胺化合物, Z代表O,S或NR10,R 2表示氢或保护基。
摘要:
Novel cephalosporins of the formula ##STR1## in which R.sup.1 is an aliphatic or cycloaliphatic hydrocarbyl radical of up to 6 carbon atoms which is optionally substituted by a carboxyl group, ##STR2## R.sup.2 and R.sup.3 each independently is an optionally substituted aliphatic or cycloaliphatic hydrocarbyl radical of up to 6 carbon atoms, but is not unsubstituted methyl,or pharmaceutically acceptable salts thereof, are effective antibacterially and promote the growth of animals.
摘要:
The invention relates to 7-amino-1-cyclo-propyl-4-oxo-1,4-dihydro-naphthyridine (or quinoline)-3-carboxylic acids of Formula I as defined in the specifications. Also included in the invention is a process for the preparation of said compounds of Formula I and Ia. Further, the invention includes compositions containing the compounds of Formula I or Ia and the use of said compounds and compositions as antibacterial agents.
摘要:
The invention relates to an antibiotic compound which can be in the iron-free or iron-containing form and has the structural formula (A) as described herein. The compound possesses antimicrobial activity. Also included in the invention are fermentation processes for preparation of the above-mentioned antibiotic compound. In addition, the invention includes pharmaceutical compositions containing said antibiotic compound and the use of said antibiotic compound and compositions for combating bacterial infections.
摘要:
Anti-bacterially active penicillin 1,1-dioxides of the formula ##STR1## or a salt thereof, in which R.sub.1 denotes a hydrogen atom or an ester-forming radical,R.sub.2 denotes a hydrogen atom or optionally substituted alkoxy group,R.sub.3 denotes a hydrogen atom, COR.sub.4, SO.sub.2 -alkyl, SO.sub.2 -aryl or an optionally substituted alkyl group, but R.sub.2 and R.sub.3 do not simultaneously denote hydrogen atoms, andR.sub.4 denotes a hydrogen atom or any of many possible organic radicals.The compounds are also inhibitors of .beta.-lactamases so they can be used in conjunction with .beta.-lactamase-susceptible antibiotics. They are useful in fighting bacterial infection, in promoting animal growth and in preserving various materials.
摘要:
New .beta.-lactam antibiotics carrying a terminal -ylidene-2-pyrrolidinon-1-yl radical and of the formula ##STR1## in which A and A' represent hydrogen, optionally substituted alkyl, aryl or a group of the formula R.sub.1 --X'in whichX' denotes a --CO-- or --SO.sub.2 -- group andR.sub.1 denotes hydrogen, optionally substituted alkyl, aryl, thienyl, furyl, amino, monoalkylamino, dialkylamino, pyrrolidyl or piperidyl, it being furthermore possible for R.sub.1 to denote alkoxy if X' represents the --CO-- group;R represents H or OCH.sub.3B represents phenyl, methylphenyl, chlorophenyl, hydroxyphenyl, furyl or the radical ##STR2## X represents S, O, SO, SO.sub.2 or --CH.sub.2 --; and Y represents the group ##STR3## in which the carbon atom which carries the carboxyl group is bonded to the nitrogen atom of the .beta.-lactam ring and T denotes hydrogen, alkyl-CO-O, pyridinium, amino-pyridinium, carbamoyloxy, azido, cyano, hydroxyl, the group -S-phenyl, which can be substituted, or the group --S--Het, in whichHet represents an optionally substituted heterocyclic5-membered or 6-membered ring;or a salt thereof, exhibit antibacterial and animal growth promoting activity.