A quinone derivative of the formula (I):
in which A is a group of the formula: (IV):
or a group of the formula (V):
in which X and Y are either the same as or different from each other and each are hydroxy, methoxy or hydrogen; and n is an integer of 1 to 5, and methods of preparing such derivative are disclosed. The compounds exhibit useful pharmacological properties which make them useful in pharmaceutical compositions.
本发明公开了式(I)的醌衍
生物:其中A是式(IV)的基团:或式(V)的基团:其中X和Y彼此相同或不同,各自是羟基、甲氧基或氢;n是1至5的整数,以及制备这种衍
生物的方法。 这些化合物显示出有用的药理特性,使它们在药物组合物中有用。