Syntheses of tetrahydroisoquinoline derivatives that inhibit NO production in activated BV-2 microglial cells
作者:Jai Woong Seo、Ekaruth Srisook、Hyo Jin Son、Onyou Hwang、Young-Nam Cha、Dae Yoon Chi
DOI:10.1016/j.ejmech.2007.09.009
日期:2008.6
Seventeen tetrahydroisoquinoline derivatives were designed, synthesized and evaluated for inhibition of NO production in lipopolysaccharide-stimulated BV-2 microglial cells. Compounds 5a, 9c and 11a potently attenuated NO production by >60%, and 5a and 11a inhibited BH4 production by >48% at 100 microM. In particular, N-ethylcarbonyl-7-hydroxy-6-methoxy-1,2,3,4-tetrahydroisoquinoline (11a) reduced
设计,合成和评估了十七种四氢异喹啉衍生物对脂多糖刺激的BV-2小胶质细胞中NO生成的抑制作用。化合物5a,9c和11a在100 microM时可有效地将NO生成减弱> 60%,而5a和11a将BH4生成抑制> 48%。特别地,N-乙基羰基-7-羟基-6-甲氧基-1,2,3,4-四氢异喹啉(11a)使NO产生减少64%,而四氢生物蝶呤(BH4)产生减少49%。在C1或N2位置引入更长的烷基组分导致抑制作用的减弱。11a可能通过阻断新合成的iNOS单体的BH4依赖性二聚作用来抑制NO的产生。