Substituted pyrido-pyridazine derivatives which enhance cognition via the gaba-a receptors
申请人:Goodacre Charles Simon
公开号:US20060041125A1
公开(公告)日:2006-02-23
The present invention discloses a compound of formula 1, or a pharmaceutically acceptable salt thereof: wherein X
1
represents hydrogen, halogen, C
1-6
alkyl, trifluoromethyl or C
1-6
alkoxy; X
2
represents hydrogen or halogen; Y represents a chemical bond, an oxygen atom, or a —NH— linkage; Z represents an optionally substituted aryl or heteroaryl group; R
1
represents hydrogen, hydrocarbon, a heterocyclic group, halogen, cyano, trifluoromethyl, nitro, —OR
a
, —SR
a
, —SOR
a
, —SO
2
R
a
, —SO
2
NR
a
R
b
, NR
a
R
b
, —NR
a
COR
b
, —NR
a
CO
2
R
b
, —COR
a
, —CO
2
R
a
, —CONR
a
R
b
or —CR
a
&=NOR
b
; and Ra and Rb independently represent hydrogen, hydrocarbon or a heterocyclic group; a pharmaceutical composition comprising it; its use in a method of treatment; use of it to manufacture a medicament; and a method of using it to prevent or treat anxiety, convulsions or cognitive disorders.
本发明揭示了化合物1的结构,或其药学上可接受的盐:其中X1表示氢、卤素、C1-6烷基、三氟甲基或C1-6烷氧基;X2表示氢或卤素;Y表示化学键,氧原子或—NH—键;Z表示可选取代的芳基或杂环芳基基团;R1表示氢、碳氢化合物、杂环基团、卤素、氰基、三氟甲基、硝基、—ORa、—SRa、—SORa、—SO2Ra、—SO2NRaRb、NRaRb、—NRaCORb、—NRaCO2Rb、—CORa、—CO2Ra、—CONRaRb或—CRa&=NORb;其中Ra和Rb分别表示氢、碳氢化合物或杂环基团;还包括一种制备该化合物的制药组合物;其在治疗方法中的应用;用于制造药物;以及用于预防或治疗焦虑、惊厥或认知障碍的方法。