| 摘要 |
<IMAGE> (I) <IMAGE> (i) <IMAGE> (ii) <IMAGE> (iii) CH2CH2NR1R2 (iv) <IMAGE> (v) <IMAGE> (vi) The present invention is concerned with compounds of formula (I), wherein n is an integer of from 0 to 3: W is a group of formula (i), (ii), or (iii), wherein R is hydrogen or C1-4 alkyl, X is -O-, -S-, -NH-, or -CH2-, Y is oxygen or sulphur and the chiral center (*) in formula (i) or (ii) is in its (S) or (R) form or is a mixture thereof in any proportions: and Z is a group of formula (iv), (v), or (vi), wherein R1 and R2 are independently selected from hydrogen and C1-4 alkyl and R3 is hydrogen or C1-4 alkyl; and their salts, solvates and physiologically functional derivatives, with processes for their preparation, with medicaments containing them and with their use as therapeutic agents, particularly in the prophylaxis and treatment of migraine.
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