Precursor compounds to substituted 1,2,4-triazolo[3,4,-a]phathalazine GABA alpha 5 ligands
申请人:Merck Sharpe & Dohme Limited
公开号:US06310203B1
公开(公告)日:2001-10-30
Substituted 1,2,4-Triazolo[3,4-A]phthalazine derivatives that are GABA Alpha 5 ligands are prepared from compounds represented by the formula:
in which R1 is hydrogen, halogen, CF3, OCF3, CN or an optionally substituted C1-4alkyl, C2-4alkenyl, C2-4alkynyl, C1-4alkoxy, C2-4alkenyloxy or C2-4alkynyloxy group; R2 is hydrogen, halogen, CF3, OCF3, CN or an optionally substituted C1-4alkyl, C2-4alkenyl, C2-4alkynyl, C1-4alkoxy, C2-4alkenyloxy or C2-4alkynyloxy group; Z is an optionally substituted 5-membered or 6-membered heteroaromatic ring; and G is a leaving group.
制备了替代
1,2,4-三唑并[3,4-A]
鞣酸衍
生物,这些衍
生物是
GABA Alpha 5
配体,其由以下式子所代表的化合物制备而来:其中R1为
氢、卤素、
CF3、O 、CN或可选择取代的C1-4烷基、C2-4
烯基、C2-4炔基、C1-4烷
氧基、C2-4
烯氧基或C2-4炔
氧基;R2为
氢、卤素、 、O 、CN或可选择取代的C1-4烷基、C2-4
烯基、C2-4炔基、C1-4烷
氧基、C2-4
烯氧基或C2-4炔
氧基;Z为可选择取代的5元或6元杂环芳香环;G为离去基团。