申请人:TOYO JOZO KABUSHIKI KAISHA
公开号:EP0252670A2
公开(公告)日:1988-01-13
A compound which is a pyrazine derivative of formula
wherein:
Q is -CO-or -CH2-,
R is hydroxyl, C1-C4 alkoxy, a halogen, -NH-C1-C4 alkylene-OH, -NH-C1-C4 alkylene-arylthio,-NH-C1-C4 alkylene-halogen,
in which
is di-Ci-C4-alkylamino, cycloalkylamino, morpholino,
alkylene-aryl or
in which R9 is hydrogen, C1-C4 alkyl or aryl, R10 is hydrogen, C1-C4 alkyl, hydroxy-C1-C4 alkyl, hydroxy-C1-C4 alkoxy-C1-C4 alkyl or di(aryl)-C1-C4 alkyl, m is an integer of 4 to 6, n is 2 or 3,
R1 is alkyl or aryl-C1-C4 alkyl,
R2 and R3 are independently each C1-C4 alkyl, or together form a tetramethylene bridge, and
R4 is hydrogen, C1-C4 alkyl or phenyl, which phenyl is optionally substituted by 1 to 3 halogens, a nitro, a C1-C4 alkyl or a C1-C4 alkoxy group,
or a pharmaceutically acceptable salt thereof, is useful in the treatment of circulatory or metabolic disorders.
一种化合物,它是式中的吡嗪衍生物
其中
Q为-CO-或-CH2-、
R是羟基、C1-C4烷氧基、卤素、-NH-C1-C4亚烷基-OH、-NH-C1-C4亚烷基芳硫基、-NH-C1-C4亚烷基卤素、
其中
是二-Ci-C4-烷基氨基、环烷基氨基、吗啉基、
烯芳基或
其中 R9 为氢、C1-C4 烷基或芳基,R10 为氢、C1-C4 烷基、羟基-C1-C4 烷基、羟基-C1-C4 烷氧基-C1-C4 烷基或二(芳基)-C1-C4 烷基,m 为 4-6 的整数,n 为 2 或 3、
R1 是烷基或芳基-C1-C4 烷基、
R2 和 R3 各自独立地为 C1-C4 烷基,或共同形成四亚甲基桥,以及
R4 是氢、C1-C4 烷基或苯基,其中苯基可任选被 1 至 3 个卤素、硝基、C1-C4 烷基或 C1-C4 烷氧基取代、
或其药学上可接受的盐,可用于治疗循环或代谢紊乱。