Spiro-imidazolones for alleviating diabetes-associated conditions, processes for preparing them, and pharmaceutical compositions containing them
申请人:PFIZER INC.
公开号:EP0028485A1
公开(公告)日:1981-05-13
Spiro-imidazolones, useful for alleviating diabetes-associated conditions such as diabetic cataracts, retinopathy and neuropathy, of the formula:-H N
and the pharmaceutically acceptable acid addition salts thereof, wherein
W is -(CH2)n-;
X is hydrogen and X is hydrogen, fluorine, chlorine, bromine, C1-C4 alkyl or C1-C4 alkoxy; or
X and X1, when taken separately, are each chlorine, C1-C4 alkyl or C1-C4 alkoxy, and when taken together are -OCH2(CH2)nO-;
Y is W, oxygen, sulfur, oxosulfur or dioxosulfur; and each n is independently zero or one; pharmaceutical compositions containing them, and processes for their preparation.
用于缓解糖尿病相关病症(如糖尿病性白内障、视网膜病变和神经病变)的螺咪唑啉酮,其式为:-H N
及其药学上可接受的酸加成盐,其中
W 是-(CH2)n-;
X 是氢,X 是氢、氟、氯、溴、C1-C4 烷基或 C1-C4 烷氧基;或
X 和 X1 分别为氯、C1-C4 烷基或 C1-C4 烷氧基,合在一起为-OCH2(CH2)nO-;
Y 是 W、氧、硫、氧硫或二氧硫;每个 n 独立地为 0 或 1;含有它们的药物组合物及其制备工艺。