申请人:THE WELLCOME FOUNDATION LIMITED
公开号:EP0054924A2
公开(公告)日:1982-06-30
Compounds of formula
wherein
Y1 is selected from hydroxyl, alkylamino, alkanoylamino,
Y2, Y3 and Y4 are independently selected from hydrogen, halogen, alkyl, alkoxy, trifluoromethyl, hydroxyl and benzyloxy; and
Q1 is either
where
Q2 and Q3 are independently selected from hydrogen and alkyl;
X is selected from cyano, carboxyl, 5-tetrazolyl and alkylsulphonylcarbamoyl; and
n is 0 or an integer selected from 1. 2. 3, 4, 5 and 6: salts of said compounds and, when X is carboxyl, esters and amides thereof,
provided that
when Y1 is hydroxyl Y2, Y3 and Y4 are all hydrogen and Q1 is either
then X is alkylsulphonylcarbamoyl.
These compounds are of value in medicine in the palliation of haemoglobinopathies, in particular sickle-cell anaemia and also in the palliation of pulmonary dysfunction, protection from the effects of hypoxia and the radio-sensitization of tumours. The invention is also directed to methods for the preparation of the ether compounds, to pharmaceutical formulations containing them and to the preparation of such formulations.
式中的化合物
式中
Y1 选自羟基、烷基氨基、烷酰氨基、
Y2、Y3 和 Y4 分别独立地选自氢、卤素、烷基、烷氧基、三氟甲基、羟基和苄氧基;以及
Q1 可以是
其中
Q2 和 Q3 独立选自氢和烷基;
X 选自氰基、羧基、5-四唑基和烷基磺酰基氨基甲酰基;以及
n 是 0 或选自 1、2、3、4、5 和 6 的整数:所述化合物的盐,以及当 X 是羧基时,其酯和酰胺、
条件是
当 Y1 为羟基时,Y2、Y3 和 Y4 均为氢,且 Q1 为任一者
则 X 为烷基磺酰基氨基甲酰基。
这些化合物在缓解血红蛋白病,特别是镰状细胞性贫血,以及缓解肺功能障碍、防止缺氧影响和肿瘤的放射增敏等方面具有重要的医学价值。本发明还涉及醚类化合物的制备方法、含有醚类化合物的药物制剂以及此类制剂的制备方法。