摘要:
An antibacterial aminooxypyrrolidinylthiocarbapenem I, its production from the corresponding carbapenem V and thiol VI, its pharmaceutical formulation, and its use or combating bacteria are presented. ##STR1## (wherein R is optionally substituted amino; R.sup.1 is hydrogen or 1C to 5C alkyl; R.sup.2 is hydrogen or a conventional hydroxy protective group; R.sup.3 is hydrogen or an imino protective group or imino substituent; R.sup.4 is 1C to 5C alkylene; and R.sup.5 is hydrogen or a conventional carboxy protective group; X is a leaving group; R.sup.6 is hydrogen or a thiol protective group; and wavy lines each shows a bond in R or S configuration).
摘要:
Antibacterial cephalosporins of the following formula: ##STR1## WHEREIN A and B each is a hydrogen or an amino protecting group; X is a hydroxy or a carboxy protecting group; Y is a hydrogen, halogen, alkyl, alkoxy, or an alkylthio; R is a hydrogen or an alkyl; Z is a group of the formula ##STR2## (in which R.sup.1 and R.sup.2 are the same or different and are a hydrogen, optionally substituted hydrocarbon group, organic acyl, or a group of the formula ##STR3## respectively, in which M and M' are the same or different and are an oxygen or sulfur; R.sup.3 is a hydrocarbon group; R.sup.1 and R.sup.2 can be combined together directly or through a hetero atom); m is 0 or 1; and the broken line shows the presence of a double bond at position 2 or 3, preparable from the compounds shown by the above formula in which Z is an oxygen by treatment with a compound shown by the formula H.sub.2 Z; and pharmaceuticals containing these compounds.
摘要:
An antibacterial aminooxypyrrolidinylthiocarbapenem I, its production from the corresponding carbapenem V and thiol VI, its pharmaceutical formulation, and its use for combating bacteria are presented. ##STR1## (wherein R is optionally substituted amino; R.sup.1 is hydrogen or 1C to 5C alkyl; R.sup.2 is hydrogen or a conventional hydroxy protective group; R.sup.3 is hydrogen or an imino protective group or imino substituent; R.sup.4 is 1C to 5C alkylene; and R.sup.5 is hydrogen or a conventional carboxy protective group; X is a leaving group; R.sup.6 is hydrogen or a thiol protective group; and wavy lines each shows a bond in R or S configuration).
摘要翻译:提出了抗生素氨基氧吡咯烷基硫代碳青霉烯I,其相应的碳青霉烯类V和硫醇VI的生产,其药物制剂及其对抗细菌的用途。 VI(其中R为任选取代的氨基; R 1为氢或1C至5C烷基; R 2为氢或常规羟基保护基; R 3为氢或亚氨基保护基或亚氨基取代基 R 4为1〜5的亚烷基,R 5为氢或常规的羧基保护基; X为离去基团; R6为氢或硫醇保护基;波浪线各自表示R或S构型的键)。
摘要:
Antibacterial cephalosporins of the formula ##STR1## wherein Acyl is an acyl group; R is a hydrogen or methoxy, R.sup.1 is a hydrocarbyl group containing 1 to 8 carbon atoms; R.sup.2 is a hydrogen, alkali metal, alkaline earth metal, halo-alkaline earth metal group or acyl group containing 1 to 12 carbon atoms; R.sup.3 is a hydrogen, pharmaceutically acceptable cation, or ester residue; or when R.sup.2 and R.sup.3 are both hydrogens, they can be combined to form a lactone ring; the broken line shows a double bond at position 2 or 3; and n is zero or one, and processes for preparing them by the reaction of the compound shown by above formula in which R.sup.1 and R.sup.2 combined to show a bond, with a Grignard type or organometallic reagent to introduce R.sup.1, followed by acylation, oxidation, reduction, double bond migration, or other reactions.
摘要:
Antibacterial cephalosporin compounds of the following formula: ##STR1## wherein A and B each is a hydrogen, organic or inorganic acyl, or A and B combined together are a diacyl group derived from a polybasic acid; Y is a hydrogen or methoxy; R is a hydrogen or lower alkyl; R' is a hydrogen, alkali metal, organic base group or easily removable protecting group; m is 0 or 1; Z is an optionally substituted guanylhydrazono group, preparable from the corresponding oxo compound or its reactive derivative by reacting with a guanylhyrazine of the formula H.sub.2 Z or its reactive derivative, or by some other reactions.
摘要:
The method for producing a sulfamide according to the present invention includes the step of reacting an alcohol and an oxycarbonylsulfamide compound in the presence of a trivalent phosphorus compound and an azodicarboxylic acid derivative. In one embodiment, the sulfamide is represented by Formula I, the alcohol is represented by Formula II, and the oxycarbonylsulfamide compound is represented by Formula III:R.sup.3 NHSO.sub.2 NR.sup.1 R.sup.2 (I)wherein R.sup.1 and R.sup.2 are independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aralkyl, aryl, a heterocyclic group, and alkyl substituted with the heterocyclic group, respectively, said heterocyclic group being selected from the group consisting of pyranosyl, furanosyl, piperidinyl, pyrrolidinyl, an azetidinone ring, a cephem ring, a penem ring, and a carbapenem ring; R.sup.3 is selected from the group consisting of alkyl, alkenyl, alkynyl, aralkyl, a heterocyclic group, alkyl substituted with the heterocyclic group, and pyrrolidinylmethyl, said heterocyclic group being selected from the group consisting of pyranosyl, furanosyl, piperidinyl, pyrrolidinyl, an azetidinone ring, a cephem ring, a penem ring, and a carbapenem ring;R.sup.3 OH (II)wherein R.sup.3 is defined as above;R.sup.4 OOC--NHSO.sub.2 NR.sup.1 R.sup.2 (III)wherein R.sup.1 and R.sup.2 are defined as above; and R.sup.4 is a carboxy protecting group.
摘要翻译:根据本发明的磺酰胺的制备方法包括在三价磷化合物和偶氮二羧酸衍生物的存在下使醇和氧羰基磺酰胺化合物反应的步骤。 在一个实施方案中,磺酰胺由式I表示,醇由式II表示,氧羰基磺酰胺化合物由式III表示:R3NHSO2NR1R2(I)其中R1和R2独立地选自氢,烷基, 环烷基,烯基,炔基,芳烷基,芳基,杂环基和被杂环基取代的烷基,所述杂环基分别选自吡喃糖基,呋喃糖基,哌啶基,吡咯烷基,氮杂环丁酮环,头孢烯环, 青铜戒指和碳青霉烯环; R 3选自烷基,烯基,炔基,芳烷基,杂环基,被杂环基取代的烷基和吡咯烷基甲基,所述杂环基选自吡喃糖基,呋喃糖基,哌啶基,吡咯烷基,氮杂环丁酮 环,Cephem环,penem环和碳青霉烯环; R3OH(II)其中R3如上定义; R4OOC-NHSO2NR1R2(III)其中R1和R2如上定义; R4是羧基保护基。
摘要:
An antibacterial 7-protected amino-3-oxyiminomethyl-3-cephem-4-carboxylic acid is prepared by the reaction of a 7-protected amino-3-formyl-3-cephem-4-carboxylic acid or its reactive derivatives with a hydroxylamine compound or its reactive derivatives, the process being more suitable for large scale production when coupled with fermentative production of a 3-hydroxymethyl-3-cephem-4-carboxylic acid followed by its direct oxidation.
摘要:
An antibacterial 7-protected amino-3-oxyiminomethyl-3-cephem-4-carboxylic acid is prepared by the reaction of a 7-protected amino-3-formyl-3-cephem-4-carboxylic acid or its reactive derivatives with a hydroxylamine compound or its reactive derivatives, the process being more suitable for large scale production when coupled with fermentative production of a 3-hydroxymethyl-3-cephem-4-carboxylic acid followed by its direct oxidation.
摘要:
A process for preparing free carboxylic acids which comprises treating an optionally substituted benzyl ester with a Lewis acid, preferably in the presence of a cation acceptor, followed by hydrolysis, if required.