申请人:Cohen Philip Michael
公开号:US20050222206A1
公开(公告)日:2005-10-06
The present invention relates to compounds of formula I:
or pharmaceutically acceptable acid addition salts thereof, where;
R
1
is C
1
-C
6
alkyl, substituted C
1
-C
6
alkyl, C
3
-C
7
cycloalkyl, substituted C
3
-C
7
cycloalkyl, C
3
-C
7
cycloalkyl-C
1
-C
3
alkyl, substituted C
3
-C
7
cycloalkyl-C
1
-C
3
alkyl, phenyl, substituted phenyl, heterocycle, or substituted heterocycle;
R
2
is hydrogen, C
1
-C
3
alkyl, C
3
-C
6
cycloalkyl-C
1
-C
3
alkyl, or a group of formula II
R
3
is hydrogen or C
1
-C
3
alkyl;
R
4
is hydrogen, halo, or C
1
-C
3
alkyl;
R
5
is hydrogen or C
1
-C
3
alkyl;
R
6
is hydrogen or C
1
-C
6
alkyl; and n is an integer from 1 to 6 inclusively.
The compounds of the present invention are useful for activating
5
-HT
1F
receptors, inhibiting neuronal protein extravasation, and for the treatment or prevention of migraine in a mammal. The present invention also relates to a process for the synthesis of intermediates in the synthesis of compounds of Formula I.
本发明涉及式I的化合物或其药学上可接受的酸加成盐,其中;R1是C1-C6烷基,取代的C1-C6烷基,C3-C7环烷基,取代的C3-C7环烷基,C3-C7环烷基-C1-C3烷基,取代的C3-C7环烷基-C1-C3烷基,苯基,取代的苯基,杂环或取代的杂环;R2是氢,C1-C3烷基,C3-C6环烷基-C1-C3烷基或IIR3的基团;R3是氢或C1-C3烷基;R4是氢,卤素或C1-C3烷基;R5是氢或C1-C3烷基;R6是氢或C1-C6烷基;n为1到6的整数,包括1和6。
本发明的化合物对于激活5-HT1F受体,抑制神经蛋白外渗以及治疗或预防哺乳动物偏头痛具有用处。本发明还涉及一种用于合成式I化合物中间体的合成过程。