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二苯乙烯

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Resveratrol Synthase is a kind of stilbene synthase.

白藜芦醇合酶(Resveratrol Synthase,RS)是二苯乙烯合酶(stilbene synthase,简称STS)中的一类。

The p-aminobenzene sulfpnamide group was connected to stilbene skeleton of stilbenes, and many twin drugs were prepared.

由拼合法将对氨基苯磺酰胺基团接到芪类化合物母体二苯乙烯骨架上,可得到多种孪生药物。

Methods: Response surface methodology was applied to study effects of extraction temperature, ethanol concentration, extraction time and solid to liquid ratio on extraction yield of anthraquinone and stilbene glycoside as well as clearance rate of the extracts to DPPH radical.

通过单因素和中心组合试验,对影响何首乌中二苯乙烯苷、蒽醌类化合物含量的提取因素(温度、酒精浓度、时间、料液比)进行了研究,同时将提取物清除DPPH自由基的能力作为考察指标,运用响应面分析法确定清除自由基组分提取的最优化工艺条件。

Are there any similar effects of stilbene derivatives on animals as they do on plants? In the present work, the chemical modification of resveratrol is investigated in detail. Furthermore, virtual screening, bioactivity evaluation and structure-activity relationship analysis are done on the designed molecules.

本论文力图探讨茋类化合物是否对动物体具有类似其在植物体中的免疫功能,以代表性的天然茋类化合物白藜芦醇(Resveratrol,3,5,4\'-三羟基-反-1,2二苯乙烯)为研究出发点,进行分子设计、虚拟筛选、活性评价和构效关系分析。

BACKGROUND: Previous studies exhibit that stilbene glucoside, which is the main active component of poygonum multiflorum root, has effects of reducing blood lipid, anti-atherosclerosis and protection of cardiovascular.

背景:大量实验表明,中药何首乌有效活性成分二苯乙烯苷具有降血脂、抗动脉粥样硬化和保护心血管等作用。

The maximal absorption wavelength of the nitro-stilbene derivatives with an ether bond exhibited approximate 30 to 40 nm bathochromic shift compared to that of nitro-stilbene dyes with an ester bond.

相对于酯键而言,通过醚键连接的对硝基二苯乙烯类分子的最大吸收波长有一个大约30至40 nm的红移现象。

The spectrum evolution of the femtosecond laser pulse in a three-level organic molecular medium 4, 4'-bis(dimethylamino stilbene is studied theoretically by solving the Maxwell-Bloch equations using an iterative predictor-corrector finite-difference time-domain method.

通过采用预估校正的时域有限差分法求解麦克斯韦-布洛赫方程,我们研究了飞秒激光脉冲在三能级有机分子(4, 4'-二甲氨基二苯乙烯分子)介质中传播时脉冲的频谱演化情况。

The spectrum evolution of the femtosecond laser pulse in a three-level organic molecular medium4,4'-bis(dimethylamino stilbene is studied theoretically by solving the Maxwell-Bloch equations using an iterative predictorcorrector finite-difference time-domain method.

通过采用预估校正的时域有限差分法求解麦克斯韦-布洛赫方程,我们研究了飞秒激光脉冲在三能级有机分子(4,4-二甲氨基二苯乙烯分子)介质中传播时脉冲的频谱演化情况。

Three new chromophores and 4 nitro benzoic acid 2 {4 [2 (4 dimethylamino phenyl vinyl] phenyl} ethylamino ethyl ester have been synthesized and the structures have been characterized by 1H NMR, IR and elemental analyses.

作者中文名:延云兴;陶绪堂;杨家祥;王东;于晓强;赵显;蒋民华摘要:合成了反式-4-[N-(乙氧基羰基-4-硝基苯基)-N'-乙基氨基]-4'-二苯乙烯和三个新有机化合物。

Using improved E-screen assay, we found that 1 is a phytoestrogen and has strong estrogenic activity.

其中,kobophenol A(1)是主要组分之一,约占乙酸乙酯部位的20%。1是二苯乙烯类四聚体。

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