Sesquiterpene Hydroquinones with Protein Tyrosine Phosphatase 1B Inhibitory Activities from a <i>Dysidea</i> sp. Marine Sponge Collected in Okinawa
作者:Delfly B. Abdjul、Hiroyuki Yamazaki、Ohgi Takahashi、Ryota Kirikoshi、Kazuyo Ukai、Michio Namikoshi
DOI:10.1021/acs.jnatprod.6b00367
日期:2016.7.22
(2), and 17-O-acetylneoavarol (3), were isolated from a Dysidea sp. marine sponge collected in Okinawa together with five known congeners: avarol (4), neoavarol (5), 20-O-acetylavarol (6), 20-O-acetylneoavarol (7), and 3′-aminoavarone (8). The structures of 1–3 were assigned on the basis of their spectroscopic data. Compounds 1–3 inhibited the activity of protein tyrosine phosphatase 1B with IC50 values
三个新的倍半萜烯醌,avapyran(1),17- Ô -acetylavarol(2),和17- ö -acetylneoavarol(3)中,从一个分离Dysidea藻。在冲绳有五个已知的同系物一起收集海绵:avarol(4),neoavarol(5),20- Ô -acetylavarol(6),20- Ô -acetylneoavarol(7),和3'-aminoavarone(8)。的结构1 - 3被分配其光谱数据的基础上。化合物1 - 3抑制蛋白酪氨酸磷酸酶1B的活性与IC 50个,分别,而公知的化合物11,9.5和6.5μM的值4 - 8,得到IC 50个12的值,> 32,10,8.6,和18μM,分别。在上结构-活性关系,六个酯和甲氧基衍生物(初步调查9 - 14)从制备4和5。