申请人:Boehringer Ingelheim GmbH
公开号:US04415566A1
公开(公告)日:1983-11-15
Penicillins and cephalosporins of the formula ##STR1## wherein A is phenyl, 4-hydroxyphenyl, cyclohexyl, cyclohene-1-yl, cyclohexa-1,4-diene-1-yl, 2-thienyl, 3-thienyl, 2-furyl, 3-furyl or 3,4-disubstituted phenyl, where the substituents, which may be identical to or different from each other, are each chlorine, hydroxyl or methoxy; R.sub.1 is an unsubstituted or substituted 5- or 6-membered heterocycle comprising carbon atoms and 1 to 4, preferably 1 to 2, identical or different heteroatoms such as oxygen, sulfur or nitrogen; n is 0 or 1; X is ##STR2## D is hydrogen, hydroxyl, acetoxy, aminocarbonyloxy, pyridinium, aminocarbonyl-pyridinium or S-Het, where Het is 1-methyl-tetrazol-5-yl, tetrazol-5-yl, 3-methyl-1,2,4-thiadiazol-5-yl, 1,2,4-triadiazol-5-yl, 1,3,4-thiadiazol-5-yl, 2-methyl-1,3,4-thiadiazol-5-yl, 2-methylamino-1,3,4-thiadiazol-5-yl, 2-dimethylamino-1,3,4-thiadiazol-5-yl, 2-formylamino-1,2,4-thiadiazol-5-yl , 2-acetylamino-1,3,4-thiadiazol-5-yl, 2-methyl-1,3,4-oxadiazol-5-yl, 1,2,3-triazol-4-yl or 1,2,4-triazol-3-yl; and E is hydrogen or a protective group which is easily removable in nitro or in vivo, especially an ester-forming group which can be removed under mild conditions by hydrogenation or hydrolysis or other treatments, or an ester-forming group which can easily be split off in the living organism; and, when E is hydrogen, their non-toxic, pharmacologically acceptable salts thereof, such as their alkali metal or alkaline earth metal salts, especially the sodium, potassium, magnesium or calcium salts; their ammonium salts; or their organic amine salts, especially the triethylamine or dicyclohexylamine salts. The compounds are useful as antibiotics.
公式为##STR1##的青霉素和头孢菌素,其中A是苯基、4-羟基苯基、环己基、环己烯-1-基、环己-1,4-二烯-1-基、2-噻吩基、3-噻吩基、2-呋喃基、3-呋喃基或3,4-二取代苯基,其中取代基可能相同或不同,分别是氯、羟基或甲氧基;R.sub.1是未取代或取代的5或6元杂环,包括碳原子和1至4个,优选1至2个相同或不同的杂原子,例如氧、硫或氮;n为0或1;X为##STR2##D为氢、羟基、乙酰氧基、氨基羰基氧基、吡啶铵、氨基羰基吡啶铵或S-Het,其中Het是1-甲基四唑-5-基、四唑-5-基、3-甲基-1,2,4-噻二唑-5-基、1,2,4-三唑-5-基、1,3,4-噻二唑-5-基、2-甲基-1,3,4-噻二唑-5-基、2-甲氨基-1,3,4-噻二唑-5-基、2-二甲氨基-1,3,4-噻二唑-5-基、2-甲酰氨基-1,2,4-噻二唑-5-基、2-乙酰氨基-1,3,4-噻二唑-5-基、2-甲基-1,3,4-噻唑-5-基、1,2,3-三唑-4-基或1,2,4-三唑-3-基;E为氢或易于在硝基或体内去除的保护基,特别是可以在温和条件下通过氢化或水解或其他处理去除的酯形成基,或者可以在生物体内容易分解的酯形成基;当E为氢时,其非毒性、药理学上可接受的盐,例如其碱金属或碱土金属盐,特别是钠、钾、镁或钙盐;它们的铵盐;或它们的有机胺盐,特别是三乙胺或二环己基胺盐。这些化合物可用作抗生素。