摘要:
The present invention relates to novel huperzine A derivatives of formula (II), wherein Y is (a), or R' and Y together form =CH; R is (C1-C5)alkyl, (b), (c), (d), 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; -(CH2mCOOZ, 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-pyridyl1 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 manufacture and their use as acetyl cholinesterase inhibitor.
摘要:
The present invention relates to novel huperzine A derivatives of formula (II), wherein Y is or R'' and Y together form =CH; R is (C 1 -C 5 ) alkyl, wherein n is 0 or 1, X is H, (C 1 -C 5 ) alkyl; (C 1 -C 5 ) alkyloxy; nitro, halogen, carboxy, alkyloxycarbonyl, hydroxymethyl, hydroxy, amino substituted by bis-(C 1 -C 5 ) alkyl; -(CH 2 ) m COOZ, wherein m=0-5, Z is H or (C 1 -C 5 ) alkyl; -CH=CH-G, wherein G is phenyl, furanyl, carboxy, alkyloxycarbonyl; and dihydro- or tetrahydro-pyridyl substituted by (C 1 -C 5 ) alkyl at the nitrogen atom; R' is H, (C 1 -C 5 ) alkyl, pyridoyl, benzoyl substituted by (C 1 -C 5 ) alkyloxy; R'' is H or (C 1 -C 5 ) alkyl; processes for their use as acetylcholinesterase inhibitor.