| 摘要 |
Novel compounds of formula (I): <CHEM> wherein R<1> is hydrogen or optionally protected hydroxy; R<2> is alkoxy, optionally protected hydroxy, oxo or optionally O-substituted oximino; R<3> is hydrogen, optionally protected hydroxy,or a group 4 min -( alpha -L-oleandrosyl)- alpha -L-oleandrosyloxy or alpha -L-oleandrosyloxy wherein the terminal hydroxy group is optionally protected; R<4>, R<5>, R<6> and R<7> are the same or different and each is hydrogen or an organic radical; and R<8> is an optionally substituted amino or imino group such as optionally O-substituted oxyimino, optionally N-substituted hydrazone, or optionally N-substituted semicarbazone; are useful in the treatment of helminthiasis in humans and animals. |
