| 摘要 |
FIELD: organic chemistry, medicine, oncology. ^ SUBSTANCE: invention relates to derivatives of camptothecin of the general formula (I): wherein R1 represents alkyl or their pharmaceutically acceptable salts. Compounds of the formula (I) are intermediate compounds used in synthesis of camptothecin derivatives that possess anticancer activity. ^ EFFECT: valuable medicinal properties of compounds. ^ 8 cl, 2 ex |
