申请人:Ciba-Geigy Corporation
公开号:US04070477A1
公开(公告)日:1978-01-24
The invention relates to 6-amino-2-penem-3-carboxylic acid compounds of the formula ##STR1## in which R.sub.1.sup.a denotes hydrogen or an amino protective group R.sub.1.sup.A and R.sub.1.sup.b represents hydrogen or an acyl radical Ac, or in which R.sub.1.sup.a and R.sub.1.sup.b conjointly form a bivalent amino protective group, R.sub.2 denotes hydroxyl or a radical R.sub.2.sup.A which, together with the carbonyl grouping --C(.dbd.0)--, forms a protected carboxyl group, and R.sub.3 represents hydrogen or an organic radical which is linked via a carbon atom to the ring carbon atom, and 1-oxides thereof, as well as salts of such compounds having salt-forming groups, which compounds possess antibiotic properties, processes for the manufacture of such compounds, and also pharmaceutical formulations containing compounds of the formula I with pharmacological properties, and the use thereof, either as antibiotics, preferably in the form of pharmaceutical formulations, or as intermediate products.
该发明涉及公式为##STR1##的6-氨基-2-青霉烯-3-羧酸化合物,其中R.sub.1.sup.a表示氢或氨基保护基R.sub.1.sup.A,R.sub.1.sup.b表示氢或酰基Ac,或者R.sub.1.sup.a和R.sub.1.sup.b共同形成二价氨基保护基,R.sub.2表示羟基或与羰基--C(.dbd.0)--一起形成保护羧基的基团R.sub.2.sup.A,R.sub.3表示氢或有机基,通过一个碳原子与环碳原子连接,以及其1-氧化物,以及具有形成盐的盐基团的这些化合物的盐,这些化合物具有抗生素性质,制备这些化合物的方法,以及含有公式I化合物的具有药理性质的药物配方,以及其用途,作为抗生素,优选以药物配方的形式,或者作为中间体产品。