204326-43-2
中文名称
4H-8-BROMO-1,2,4-OXADIAZOLO(3,4-D)BENZ(B)(1,4)OXAZIN-1-ONE
英文名称
NS-2028
CAS
204326-43-2
分子式
C9H5BrN2O3
分子量
269.05
MOL 文件
204326-43-2.mol
204326-43-2 结构式
基本信息
中文别名
8-溴-1H,4H-[1,2,4]恶二唑并[3,4-C][1,4]苯并恶嗪-1-酮 英文别名
NS-2028NS 2028 - CAS 204326-43-2 - Calbiochem
4-H-BROMO-1,2,4-OXADIAZOLE(3,4-ALPHA)BENZ(B)OXAZIN-1-ONE
4H-8-BROMO-1,2,4-OXADIAZOLO(3,4-D)BENZ(B)(1,4)OXAZIN-1-ONE
4H-8-BROMO-1,2,4-OXADIAZOLO(3,4-D)BENZO(B)(1,4)OXAZIN-1-ONE
8-bromo-4~{H}-[1,2,4]oxadiazolo[3,4-c][1,4]benzoxazin-1-one
8-Bromo-1H,4H-[1,2,4]Oxadiazolo[3,4-c][1,4]Benzoxazin-1-One
1H,4H-[1,2,4]Oxadiazolo[3,4-c][1,4]benzoxazin-1-one, 8-bromo-
8-BROMO-4H-2,5-DIOXA-3,9B-DIAZA CYCLOPENTA[A]NAPHTHALEN-1-ONE
物理化学性质
熔点160～170℃
沸点353.8±52.0 °C(Predicted)
密度2.06±0.1 g/cm3(Predicted)
储存条件+2C to +8C
溶解度DMSO: 13 mg/mL
溶解度在DMSO中的溶解度为13 毫克/毫升
酸度系数(pKa)-1.18±0.20(Predicted)
形态solid
颜色white
常见问题列表
生物活性
NS-2028 是一种高选择性可溶性鸟苷酸环化酶 (sGC) 抑制剂, 其 basal 和 NO 刺激的酶活性的 IC50 值分别为 30 nM 和 200 nM。NS-2028 抑制小鼠小脑匀浆和神经元 NO 合酶中的可溶性鸟苷酸环化酶活性, IC50值分别为17 nM和20 nM。NS-2028 抑制 3-吗啉代-sydnonimine (SIN-1) 在人培养的脐静脉内皮细胞中形成环状GMP，IC50 值为30 nM。NS-2028 常用于一氧化氮信号通路的研究，它完全抑制非血管平滑肌中 NO 依赖性松弛反应 (1μM)。NS-2028 可降低血管内皮生长因子诱导的血管生成和通透性。靶点
IC50: 30 nM (soluble Guanylyl Cyclase sGC)
体外研究
NS-2028 (10 μM; 24 hours) inhibits 25% cell number in comparation with those grown in the presence of vehicle. NS-2028 (10 μM; 30 mins) attenuates VEGF-induced EC migration by inhibiting p38 MAPK activation.
Cell Proliferation Assay
| Cell Line: | HUVEC cells |
| Concentration: | 10 μM |
| Incubation Time: | 24 hours |
| Result: | Decreased cell numbers in culture. |
Western Blot Analysis
| Cell Line: | HUVEC cells |
| Concentration: | 10 μM |
| Incubation Time: | 30 mins |
| Result: | Attenuated VEGF-enhanced p38 phosphorylation. |
体内研究
NS-2028 (Deliver orally; 1 g/L; 8 days) exhibits a significant reduction of new vessel formation in the avascular rabbit cornea in response to VEGF pellet implants.
| Animal Model: | Rabbit |
| Dosage: | 1 g/L |
| Administration: | Deliver orally; 1g/L; 8 days |
| Result: | Inhibits VEGF-induced angiogenesis in vivo. |