氧化合物

Part Ⅰ: The changing trend of G values of hydrogen peroxide in the reactionsbetween flavonoids and peroxyl radicals is an important parameter in elucidating thereaction mechanisms,γ-Irradiated aqueous solutions (saturated with 〓) andaerated ethanol solutions of several typical flavonoids were eluted through aluminacolumns and the G values of hydrogen peroxide generated in the solutions weremeasured.

第一部分：黄酮类化合物与过氧自由基反应的过程中生成的过氧化氢值的变化是解释机理的主要依据之一。

In order to find highly active lead compounds, a series of new pyridazine derivatives have been synthesized using 3,6-dichloro pyridazine as starting material by a three-step synthetic route.

为了寻找高活性的先导化合物，以3，6-二氯哒嗪为原料，经过三步反应，合成了一系列未经文献报道的3-芳氧基-6-(3，5-二甲基-1H-吡唑-1-基)哒嗪。

Pyridazine was prepared by hydrogenolysis of 3,6-dichloro pyridazine obtained via chlorination of 3,6- pyridazine diol with phosphorus oxychloride.

以顺丁烯二酸酐与盐酸肼为原料经缩合成环反应生成顺丁烯二酰肼，再用三氯氧磷氯化合成3，6-二氯哒嗪，最后经催化加氢制得标题化合物哒嗪。

With sodium acetate as catalyst, inosine was esterified with acetic anhydride in the yield of 92% to give 2',3',5'-triacetyl inosine, which was treated with pyridine and phosphorus oxychloride to form a pyridinium solution, followed by performing an amination at 40℃ and 0.25~0.30 MPa to achieve adenosine in the yield of 67%.

肌苷在醋酸钠存在下与醋酸酐发生酯化反应以92%的收率得到2'，3'，5'-三乙酰肌苷，其化合物经吡啶和三氯氧磷处理形成吡啶盐溶液，未分离直接在40℃、0.25~0.30 MPa压力下进行氨解反应以67%产率制得腺苷。

A diperoxovanadate complex NH4[OV(O2)2{2-(2'-pyridyl)-imidazole}]×4H2O,bpV for short,was investigated at the level of cell and animal based on its proliferation on cancer cells,inhibition on alkaline phosphatase and anti-tumor in animal experiments.

在细胞和动物实验水平上，研究了双过氧钒化合物NH4[OV(O2)2(C8H7N3)]×4H2O简写bpV(Imi-Py对癌细胞的增殖作用，碱性磷酸酶的活性抑制和体内抗肿瘤作用。

The crystal was obtained from the interaction system, NH4VO3/H2O2/ 2-(2′-pyridyl)imidazole, in aqueous solution under the physiological conditions, and the complex was characterized by solution NMR, IR, X-ray crystal diffraction and elementary analysis.

经NMR、IR、X-ray衍射和元素分析等谱学方法或分析手段确定其组成[NH4{OV(O2)2{2-(2′-Py)-Imi}·4H2O}]和结构，其51V的化学位移在单核双过氧钒化合物中是最大的。

A new diperoxovanadate crystal NH4{OV(O2)2{2-(2′-pyridyl)-imidazole}}·4H2O was synthesized.

在相互作用体系NH4VO3/H2O2/2-(2′-Py)Imi中合成了一种新的双过氧钒化合物。

Coumarinyloxy)-6-methoxyl-7-hydroxycoumarin,β-sitosterol, 3-stigmast-5-en-3- 3 -D-Glucopyranoside . 3-(7-coumarinyloxy)-8-(7-hydroxycoumarin-8-yl)-7-hydroxycoumarin rhamnoside and Sucrose. Compound I , V, IX and XI were isolated from barks and stems of this plant for the first time and compound VI and VI were isolated from flowers of this plant for the first time, too.

共鉴定了其中11个化合物，根据理化性质和波谱数据鉴定确定为：丁香甙，结香甙C(Edgeworoside C Ⅱ)，7-羟基香豆素(7-hydroxycoumarin Ⅲ)，5，7-二甲氧基香豆素(5，7-dimethoxycoumarin Ⅳ)，卫矛醇，异吲哚-1，3-二酮1H-iso-Indole-1，3(2H-dione Ⅵ，西瑞香素(Daphnoretin Ⅶ)，β-谷甾醇(β-sitosterol Ⅷ)，胡萝卜甙(Daucosterol Ⅸ)，结香甙A(Edgeworoside A Ⅹ)和蔗糖。

AIM: To investigate the inhibition capacities of carnosol, rosmanol, and epirosmanol, which are phenolic diterpenes from Rosmarinus officinalis, to oxidized low-density lipoprotein formation in human blood and detect their scavenging activities to lipid free radical and superoxide anion in vitro.

目的：研究迷迭香中二萜酚化合物鼠尾草酚、迷迭香酚和表迷迭香酚对人低密度脂蛋白氧化的抑制作用及其对自由基和超氧阴离子的清除作用。

Salicylaldehyde and its derivatives often produce a formation of Schiff base metal chelate. They are special anti-cancer, anti-inflammatory, sterilization matters. At the same time because of therir structure similar to porphyrin ring, they can set of oxygen and simulated biological effect, So many scientist take interest in this field.

水杨醛及其衍生物与某些伯胺类化合物缩合形成的 Schiff 碱及其金属螯合物，具有特殊的抗癌、抗炎、杀菌、抑霉等活性，同时由于其结构类似于卟啉环，有较好的载氧和模拟生物酶的催化作用，已经引起了各国化学家的广泛兴趣。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！