A nitrogen-containing tetracyclic compound represented by the formula:
wherein Y1—Y2—Y3 is N—C═N or a group represented by the formula: C═C—NR3 (wherein R3 is a hydrogen atom, a C1-5 alkyl group or a nitrogen-containing C2-10 alkyl group), Y4 is S, SO, SO2, CH2 or a group represented by the formula: NR4 (wherein R4 is a C1-5 alkanoyl group or a C1-5 alkyl group), R1 and R2 are the same or different, and are each a hydrogen atom, a C1-10 alkyl group, a C3-15 alkoxyalkyl group or a C3-15 alkylaminoalkyl group, or R1 and R2 taken together with the nitrogen atom to which they are attached form a cyclic amino group, X1 and X2 are the same or different, and are each a hydrogen atom, a C1-5 alkyl group, a C1-5 alkoxy group or a halogen atom, and n is 0, 1 or 2; or a pharmaceutically acceptable salt thereof.
一种含氮四环化合物,其
化学式表示为:其中Y1—Y2—Y3为N—C═N或由
化学式表示的基团:C═C—NR3(其中R3为氢原子、C1-5烷基或含氮C2-10烷基),Y4为S、SO、SO2、
CH2或由
化学式表示的基团:NR4(其中R4为C1-5烷酰基或C1-5烷基),R1和R2相同或不同,分别为氢原子、C1-10烷基、C3-15烷氧基烷基或C3-15烷基
氨基烷基,或R1和R2与它们连接的氮原子一起形成环状
氨基基团,X1和X2相同或不同,分别为氢原子、C1-5烷基、C1-5烷氧基或卤原子,n为0、1或2;或其药用盐。