The field of this invention relates to novel cyclopropyl derivatives of the general formula (I) representing pharmaceutically applicable Vinca Rosea type alkaloid compounds, particularly having a cytostatic effect. The invention also is concerned processes for preparing these new alkaloids and their pharmacological compositions and the use of these compounds in treatment of cancer. R stands for a methyl or a formyl group, R1 stands for a methoxy or an amino group, R2 represents a hydroxy or acetoxy group, R3 stands for a hydrogen atom or a hydroxy group, R4 represents a hydrogen atom or R3 and R4 together represent a double bond, R5 and R6 represent hydrogen or fluorine atoms n = 1 or 2.
本发明领域涉及一种新型环丙基衍
生物,其一般式为(I),代表着具有细胞毒作用的药用长春花型
生物碱化合物。该发明还涉及制备这些新
生物碱的过程,它们的药理组成以及这些化合物在癌症治疗中的应用。其中,R代表甲基或甲酰基,R1代表甲氧基或
氨基,R2代表羟基或乙酰氧基,R3代表氢原子或羟基,R4代表氢原子或R3和R4一起代表双键,R5和R6代表氢原子或
氟原子,n = 1或2。