申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04645765A1
公开(公告)日:1987-02-24
New tetracyclo compounds of the formula: ##STR1## in which R.sup.1 is formyl, protected formyl, hydroxymethyl, protected hydroxymethyl, arylaminomethyl, carboxy, protected carboxy or substituted iminomethyl, R.sup.2 is hydroxy, alkoxy or protected hydroxy, R.sup.3 is hydrogen and R.sup.4 is methyl, hydroxymethyl or protected hydroxymethyl, or R.sup.3 and R.sup.4 are combined together to form methylene or oxo, R.sup.5 is hydroxy, alkoxy or protected hydroxy, and R.sup.6 is hydrogen, imino-protective group or alkyl, and pharmaceutically acceptable salts thereof, which have pharmacological activities such as antitumor activity, antimicrobial activity, and the like, and a process for their production and a pharmaceutical composition containing the same.
公式为:##STR1##的新四环素化合物,其中R.sup.1为甲酰基,保护甲酰基,羟甲基,保护羟甲基,芳基氨甲基,羧基,保护羧基或取代亚胺甲基,R.sup.2为羟基,烷氧基或保护羟基,R.sup.3为氢,R.sup.4为甲基,羟甲基或保护羟甲基,或R.sup.3和R.sup.4结合形成亚甲基或氧代甲基,R.sup.5为羟基,烷氧基或保护羟基,R.sup.6为氢,亚氨基保护基或烷基,以及其药物学上可接受的盐。该化合物具有抗肿瘤活性、抗微生物活性等药理活性,以及其制备方法和含有该化合物的制药组合物。