申请人:Tanabe Seiyaku Co., Ltd.
公开号:US04241053A1
公开(公告)日:1980-12-23
A compound of the formula: ##STR1## wherein R.sup.1 is lower alkoxy, lower alkoxy-methoxy or 2-hydroxy-ethoxy, R.sup.2 is aldo-pentofuranosyl, aldo-pentopyranosyl, aldohexopyranosyl or O-aldo-hexopyranosyl-(1.fwdarw.4)-aldo-hexopyranosyl, and A is straight or branched alkylene of one to four carbon atoms, said alkylene being substituted with from 0 to at least one lower alkoxy group, is disclosed. A new intermediate used in the preparation of this compound is also disclosed. The end products are useful for inhibiting the growth of malignant tumor cells in warm-blooded animals; especially Leukemia and Ejrlich ascites carcinoma. Effectiveness on human beings has not yet been demonstrated.
该化合物的公式为:##STR1##,其中R.sup.1是低级烷氧基、低级烷氧基-甲氧基或2-羟基-乙氧基,R.sup.2是戊糖呋喃糖基、戊糖吡喃糖基、己糖吡喃糖基或O-己糖吡喃糖基-(1.fwdarw.4)-己糖吡喃糖基,而A是直链或支链的碳原子数为1至4的亚烷基,该亚烷基被0至至少一个低级烷氧基团所取代。还公开了一种用于制备该化合物的新中间体。最终产品对于抑制温血动物中恶性肿瘤细胞的生长是有用的;尤其是对白血病和艾氏腹水癌。对人体的有效性尚未得到证实。