| 摘要 |
A polycyclic heterocyclic compound has the formula <IMAGE> (I) wherein n is 1 or 2, R1 l represents (i) lower alkyl, (ii) -CH2OH or (iii) <IMAGE> R2 represents (a) hydrogen, (b) <IMAGE> or (c)-OR3, R3 represents hydrogen, C1-C20 alkyl mono or polyhydroxyalkyl, aryl or aralkyl optionally substituted, the residue of a sugar or <IMAGE> wherein p is 1, 2, or 3, and r' and r'' represent hydrogen, lower alkyl, mono or polyhydroxyalkyl, aryl optionally substituted, amino acid residue, aminated sugar residue, or together form a heterocycle, X represents oxygen, sulfur, SO, SO2 or -NR4, Y represents CR4 or a nitrogen atom and R4 represents hydrogen or lower alkyl. This polycyclic heterocyclic compound can be used in human and veterinary medicine and especially in the topical or systemic treatment of determatologic diseases. |
