申请人:Rhone-Poulenc Industries
公开号:US04225589A1
公开(公告)日:1980-09-30
Daunorubicin derivatives of the formula: ##STR1## wherein R.sub.1 represents a group of the formula: ##STR2## in which (i) X.sub.1 and X.sub.2 both represent oxygen or both represent sulphur and the symbols R.sub.3 each represent alkyl of 1 through 4 carbon atoms, phenyl or phenyl substituted in the para-position by methyl, methoxy or methylthio, or together form an alkylene radical of 2 through 4 carbon atoms, or (ii) one of X.sub.1 and X.sub.2 represents oxygen and the other represents sulphur and the symbols R.sub.3 together form an alkylene radical of 2 through 4 carbon atoms, and R.sub.4 represents hydrogen, alkyl of 1 through 4 carbon atoms or phenyl, and R.sub.2 represents hydrogen or trifluoroacetyl, are new compounds possessing anti-tumour properties.
达诺霉素衍生物的化学式为:##STR1## 其中R.sub.1代表化学式的一个基团:##STR2## 其中(i) X.sub.1和X.sub.2都代表氧或者都代表硫,符号R.sub.3分别代表1至4个碳原子的烷基,苯基或者在对位由甲基,甲氧基或甲硫基取代的苯基,或者一起形成2至4个碳原子的烷基基团,或者(ii) X.sub.1和X.sub.2中的一个代表氧,另一个代表硫,符号R.sub.3一起形成2至4个碳原子的烷基基团,R.sub.4代表氢,1至4个碳原子的烷基或苯基,R.sub.2代表氢或三氟乙酰基,这些是具有抗肿瘤性能的新化合物。