| abstract |
Radioactive isotopes, fluorescent substances or X-ray absorbing substances can be added to the alkaloid derivatives. The alkaloids can also be used as analgesics, for the treatment of polyarthritis and as a postoperative anti-inflammatory substance. The new derivatives of formula $ (6,) $ where Y: O, S, N; X: N, O; n: 1-3; and (III) represent an alkaloid comprising isoquinoline, can be prepared by reacting one or more alkaloids of formula (III) with alkylating agents. |