申请人:Sato Masakazu
公开号:US20060004078A1
公开(公告)日:2006-01-05
An N-hydroxyformamidine derivative of the following formula or a pharmaceutically acceptable salt thereof:
(wherein
R
1
represents a hydrogen atom, a C
1-4
alkyl group, a C
1-4
alkoxy group or a halogen atom,
A represents a C
1-10
alkylene group or a group of the following formula:
(wherein m, n and p each represent an integer of 0 to 4), and
R represents an N,N-di-C
1-6
alkylamino group, a dioxanyl group, a C
1-4
alkyl-substituted dioxanyl group, a C
1-4
alkoxy-C
1-4
alkoxy group or a group of the following formula:
(wherein s and t each represent an integer of 1 to 4, B represents a methylene group, an oxygen atom, a sulfur atom, a nitrogen atom, a C
1-4
alkyl-substituted nitrogen atom, a phenyl-substituted nitrogen atom or a benzyl-substituted nitrogen atom, R
2
represents a hydrogen atom or a C
1-4
alkyl group, and r represents an integer of 0 to 2)).
The present invention aims to provide an agent for inhibiting 20-HETE-producing enzymes, 20-HETE being involved in the effects of causing microvascular constriction or dilation in major organs (e.g., kidneys, cerebral blood vessels) or of inducing cell proliferation, etc.
该N-羟基甲酰胺衍生物具有以下结构式或其药用盐:(其中R1代表氢原子、C1-4烷基、C1-4甲氧基或卤素原子,A代表C1-10烷基或以下结构式的基团:(其中m、n和p分别表示0至4的整数),R代表N,N-二C1-6烷基氨基、二氧杂环丙基、C1-4烷基取代的二氧杂环丙基、C1-4甲氧基-C1-4甲氧基或以下结构式的基团:(其中s和t分别表示1至4的整数,B代表亚甲基、氧原子、硫原子、氮原子、C1-4烷基取代的氮原子、苯基取代的氮原子或苄基取代的氮原子,R2代表氢原子或C1-4烷基,r表示0至2的整数)。本发明旨在提供一种抑制20-HETE产生酶的药剂,20-HETE参与引起主要器官(如肾脏、脑血管)微血管收缩或扩张的效应,或诱导细胞增殖等。