申请人:SYNTEX (U.S.A.) INC.
公开号:EP0364254A2
公开(公告)日:1990-04-18
Compounds of formulas (1) and (2):
in which:
X and Y are independently hydrogen, hydroxy, lower alkyl, lower alkoxy or halo, or X and Y taken together is methylenedioxy or ethylene-1,2-dioxy;
W is oxygen or sulfur; and
Z is -R¹, -OR² or -NR³R⁴, wherein
R¹ is lower alkyl, lower haloalkyl, cycloalkyl, optionally substituted phenyl or phenyl lower alkyl, or heteroaryl;
R² is lower alkyl, optionally substituted phenyl or phenyl lower alkyl;
R³ and R⁴ are independently hydrogen, alkyl, optionally substituted phenyl or phenyl lower alkyl; or
R³ and R⁴ taken together with the nitrogen to which they are attached represent a heterocycle of the formula:
wherein A is -(CH₂)m, -N(R⁵)- or oxygen, in which m is an integer of 0-2 and R⁵ is hydrogen or lower alkyl;
or a pharmaceutically acceptable salt thereof, are useful as α₂-blockers.
式(1)和(2)的化合物:
其中
X 和 Y 独立地为氢、羟基、低级烷基、低级烷氧基或卤素,或 X 和 Y 合在一起为亚甲基二氧基或乙烯-1,2-二氧基;
W 是氧或硫;以及
Z 是-R¹、-OR² 或-NR³R⁴,其中
R¹ 是低级烷基、低级卤代烷基、环烷基、任选取代的苯基或苯基低级烷基或杂芳基;
R² 是低级烷基、任选取代的苯基或苯基低级烷基;
R³ 和 R⁴ 独立为氢、烷基、任选取代的苯基或苯基低级烷基;或
R³ 和 R⁴ 与它们所连接的氮一起代表式中的杂环:
其中 A 是-(CH₂)m、-N(R⁵)- 或氧,其中 m 是 0-2 的整数,R⁵ 是氢或低级烷基;
或其药学上可接受的盐,可用作α₂-受体阻滞剂。