3-Amino-5-substituted-6-halo-N-(3,4-dihydro- or 4,4-disubstituted-6-substituted-1,3,5-triazin-2-yl)-2-pyrazinecarboxamides, process for preparing and pharmaceutical compositions containing the same
申请人:Merck & Co., Inc.
公开号:EP0043139A1
公开(公告)日:1982-01-06
This invention relates to 3-amino-5-substituted-6- haloN-(3,4-dihydro- or 4,4-disubstituted-6-substituted- 1,3,5-triazin-2-yl)-2-pyrazinecarboxamides. The invention also relates to processes for preparing those compounds of the formula of the tautomeric form thereof
wherein
R is hydrogen,, C1-5 alkyl, C2-5 alkenyl or C3-6 cycloalkyl;
R1 is hydrogen, C1-5 alkyl, C2-5 alkenyl or C3-6 cycloalkyl;
R2 is hydrogen, or C1-5 alkyl;
R3 is hydrogen, or Ci-5 alkyl;
R2 and R3 can be joined with the carbon atom to which they are attached to form a 3-7 membered carbon ring;
X is halo
Y is OH, SH, C1-5 alkoxy, C1-5 alkylthio and NR4R5 wherein R4 is hydrogen or C1-5 alkyl and R5 is hydrogen, C1-5 alkyl, CN, CONH2, CNH2, N02 or NH2 and the pharmaceutical acid addition salts thereof.
The compounds are eukalemic/saluretic agents useful in the treatment of edema and hypertension.
本发明涉及3-氨基-5-取代-6-卤代-N-(3,4-二氢-或4,4-二取代-6-取代-1,3,5-三嗪-2-基)-2-吡嗪甲酰胺。本发明还涉及制备其同分异构形式的式中化合物的工艺
其中
R 是氢、C1-5 烷基、C2-5 烯基或 C3-6 环烷基;
R1 是氢、C1-5 烷基、C2-5 烯基或 C3-6 环烷基;
R2 是氢,或 C1-5 烷基
R3 是氢或 Ci-5 烷基;
R2 和 R3 可与所连接的碳原子连接成一个 3-7 个分子的碳环;
X 是卤素
Y是OH、SH、C1-5烷氧基、C1-5烷硫基和NR4R5,其中R4是氢或C1-5烷基,R5是氢、C1-5烷基、CN、CONH2、CNH2、N02或NH2及其药用酸加成盐。
这些化合物是可用于治疗水肿和高血压的真核/利尿剂。