This paper reports that in the presence of cetyltrimethyl ammonium bromide as phase transfer catalyst,D-glucosamine hydrochloride reacts with 2,4-dinitrophenol to synthesize 1-O-(2’,4’-dinitrophenyl)-2-acetamido-β-...This paper reports that in the presence of cetyltrimethyl ammonium bromide as phase transfer catalyst,D-glucosamine hydrochloride reacts with 2,4-dinitrophenol to synthesize 1-O-(2’,4’-dinitrophenyl)-2-acetamido-β-D-glucoside.Chemical structure of the new compound was confirmed by elemental analysis,IR and UV.展开更多
目的建立同时测定红花注射液中紫丁香苷、羟基红花黄色素A与（8Z）-癸烯-4,6-二炔-1-O-β-D-葡萄糖苷3种活性成分的反相高效液相色谱法。方法红花注射液0.45μm微孔滤膜滤液分析采用Phenomenex Luna C18色谱柱（4.60 mm×250 mm,5μ...目的建立同时测定红花注射液中紫丁香苷、羟基红花黄色素A与（8Z）-癸烯-4,6-二炔-1-O-β-D-葡萄糖苷3种活性成分的反相高效液相色谱法。方法红花注射液0.45μm微孔滤膜滤液分析采用Phenomenex Luna C18色谱柱（4.60 mm×250 mm,5μm）,以乙腈-0.1%磷酸水溶液为流动相,梯度洗脱,体积流量1.0 m L/min,柱温30℃,检测波长265 nm。结果紫丁香苷、羟基红花黄色素A与（8Z）-癸烯-4,6-二炔-1-O-β-D-葡萄糖苷分别在0.101~2.02μg（r=0.999 6）,0.216~4.32μg（r=0.999 7）,0.510~10.2μg（r=1）范围内线性关系良好;平均加样回收率分别为97.4%、102.3%、100.3%,RSD分别为2.1%、2.1%、1.5%。结论本法准确、简单、重复性好,能更好地控制红花注射液的质量。展开更多
文摘This paper reports that in the presence of cetyltrimethyl ammonium bromide as phase transfer catalyst,D-glucosamine hydrochloride reacts with 2,4-dinitrophenol to synthesize 1-O-(2’,4’-dinitrophenyl)-2-acetamido-β-D-glucoside.Chemical structure of the new compound was confirmed by elemental analysis,IR and UV.
文摘目的建立同时测定红花注射液中紫丁香苷、羟基红花黄色素A与（8Z）-癸烯-4,6-二炔-1-O-β-D-葡萄糖苷3种活性成分的反相高效液相色谱法。方法红花注射液0.45μm微孔滤膜滤液分析采用Phenomenex Luna C18色谱柱（4.60 mm×250 mm,5μm）,以乙腈-0.1%磷酸水溶液为流动相,梯度洗脱,体积流量1.0 m L/min,柱温30℃,检测波长265 nm。结果紫丁香苷、羟基红花黄色素A与（8Z）-癸烯-4,6-二炔-1-O-β-D-葡萄糖苷分别在0.101~2.02μg（r=0.999 6）,0.216~4.32μg（r=0.999 7）,0.510~10.2μg（r=1）范围内线性关系良好;平均加样回收率分别为97.4%、102.3%、100.3%,RSD分别为2.1%、2.1%、1.5%。结论本法准确、简单、重复性好,能更好地控制红花注射液的质量。
