申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04861774A1
公开(公告)日:1989-08-29
The invention relates to a method for treatment of carcinoma or sarcoma tumor in mammals which comprises administering to said mammal an effective amount of a tetracyclo compound of the formula: ##STR1## in which R.sup.1 is formyl, protected formyl, hydroxymethyl, protected hydroxymethyl, arylaminomethyl, carboxy, protected carboxy, aryliminomethyl, hydroxyiminomethyl, alkoxyiminomethyl, acyloxyiminomethyl, semicarbazonomethyl or arylsemicarbazonomethyl, 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.
本发明涉及一种治疗哺乳动物的癌症或肉瘤肿瘤的方法,该方法包括向该哺乳动物施用公式为:##STR1##的四环素化合物的有效量,其中R.sup.1是甲酰基,受保护的甲酰基,羟甲基,受保护的羟甲基,芳基氨甲基,羧基,受保护的羧基,芳基亚胺甲基,羟基亚胺甲基,烷氧基亚胺甲基,酰氧基亚胺甲基,半胱氨酸甲基或芳基半胱氨酸甲基,R.sup.2是羟基,烷氧基或受保护的羟基,R.sup.3是氢,R.sup.4是甲基,羟甲基或受保护的羟甲基,或R.sup.3和R.sup.4结合在一起形成亚甲基或氧代亚甲基,R.sup.5是羟基,烷氧基或受保护的羟基,R.sup.6是氢,亚氨基保护基或烷基,以及其药学上可接受的盐。