申请人:TSUMURA & CO.
公开号:EP0806416A1
公开(公告)日:1997-11-12
The present invention relates to novel huperzine A derivatives of formula (II), wherein Y is
or R'' and Y together form =CH; R is (C1-C5) alkyl,
wherein n is 0 or 1, X is H, (C1-C5) alkyl; (C1-C5) alkyloxy; nitro, halogen, carboxy, alkyloxycarbonyl, hydroxymethyl, hydroxy, amino substituted by bis-(C1-C5) alkyl; -(CH2)mCOOZ, wherein m=0-5, Z is H or (C1-C5) alkyl; -CH=CH-G, wherein G is phenyl, furanyl, carboxy, alkyloxycarbonyl; and dihydro- or tetrahydro-pyridyl substituted by (C1-C5) alkyl at the nitrogen atom; R' is H, (C1-C5) alkyl, pyridoyl, benzoyl substituted by (C1-C5) alkyloxy; R'' is H or (C1-C5) alkyl; processes for their use as acetylcholinesterase inhibitor.
本发明涉及式 (II) 的新型羽扇豆碱 A 衍生物,其中 Y 是
或 R'' 和 Y 共同形成 =CH;R 是 (C1-C5) 烷基、
其中 n 是 0 或 1,X 是 H、(C1-C5)烷基;(C1-C5)烷氧基;硝基、卤素、羧基、烷氧基羰基、羟甲基、羟基、被双(C1-C5)烷基取代的氨基;-(CH2)mCOOZ,其中 m=0-5, Z 是 H 或 (C1-C5) 烷基;-CH=CH-G,其中 G 是苯基、呋喃基、羧基、烷氧基羰基;R'是 H、(C1-C5)烷基、吡啶酰基、被(C1-C5)烷氧基取代的苯甲酰基;R''是 H 或(C1-C5)烷基;它们用作乙酰胆碱酯酶抑制剂的工艺。