The invention belongs to the technical field of
organic synthesis and medicines, and particularly relates to an aminated 20 (S)-10, 11-difluoromethylenedioxy
camptothecin derivative as well as a preparation method and application thereof. The derivative is a compound with a structure as shown in a formula (I), and in the formula (I), R is shown in the description; wherein X is an integer from 3 to 10, and n is an integer from 3 to 10; and Z is selected from (amido substitution). The novel aminated 20 (S)-10, 11-difluoromethylenedioxy
camptothecin derivative provided by the invention has good in-vivo and in-vitro anti-tumor activity, and can be used for preparing and synthesizing
camptothecin drugs for preventing or treating tumors, the preparation method is easy to operate, the post-treatment is simple and convenient, the initial raw materials of the reaction are cheap and easy to obtain, the designability of the reaction substrate is strong, and the method is suitable for industrial production. The reaction efficiency is relatively high, and the practicability is relatively high.