双氢青蒿素是青蒿素类药物中活性较强的衍生物。
Dihydroartemisinin is one of the derivatives with higher activity.
用显色络合物络合比和试剂结构研究并初步探讨了不对称变色酸双偶氮类衍生物与贵金属元素的络合机理。
The complexing mechanism of unsymmetric bis-arylazo derivative of chromotropic acid and precious metal elements was studied using composition ratio of the color complex and constitution of reagents.
利用双波长法测定芦荟中还原糖含量，排除了蒽类衍生物的干扰。
The reducing sugar content in raw aloe was assayed by UV at two different wavelengths to avoid the interference of anthracene derivatives.
一种含1,2,3 -噻二唑活性基团的双酰肼衍生物及其制备方法和用途。
Diacylhydrazine derivatives containing 1, 2, 3-thiadiazole active group and preparation method and application thereof.
有双环氨基取代的吡啶酮羧酸衍生物，其酯及盐，以及可用作其中间体的双环类胺。
Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate thereof.
目的：合成笼状双环磷酸酯的羧酸酯衍生物。
Aim: To synthesize carboxylate derivatives of caged bicyclic phosphate.
该分子在相应系列衍生物中具有最大的双光子吸收截面。
The molecule has the largest two-photon absorption cross section among its series of studied derivatives.
合成了一种水溶性平面双核金属酞菁衍生物，用元素分析和红外光谱对其结构进行了表征。
A kind of soluble planar binuclear metal phthalocyanine was synthesized and was characterized by element analysis and FT IR spectra.
在研究中比较了不同识别分子与靶序列DNA结合的强弱，发现双萘酰亚胺衍生物4对此序列DNA具有高亲合性的结合，并分析了识别分子与DNA复合物的碎裂机理以及结合模式。
It revealed that imide derivative 4, a potent binder of HIV-1 DNA, had the higher binding affinity with the duplex DNA among six DNA-recognizing mole-cules.
合成一种水溶性平面双核金属酞菁衍生物，用元素分析和红外光谱对其结构进行了表征。
A kind of soluble planar binuclear metal-phthalocyanine was synthesized and characterized by element analysis and FT-IR spectra.
同时研究合成三嗪类衍生物，以二甲双胍为起始原料，合成了7个三嗪类化合物。
Synthesize triazine compounds from metformin which is the prime material. 7 triazine compounds have been synthesized.
其结构为：此外，本文还综述了具有生物活性的双膦酸衍生物的研究进展，对双膦酸衍生物的结构、生物活性以及生物活性的作用机理作了简单介绍。
Their structure is characterized by the following:In addition, the research trend of herbicidal bisphosphonic acid derivatives were reviewed including their structure, bioactivity and mechanism.
用醇作溶剂、微量的浓硫酸作催化剂，稠合双环氮杂环丙烷衍生物可发生区域选择性氮杂环开环反应。
Bicyclic fused aziridines can generate regioselective ring opening reaction with various alcohols, catalyzed by slight concentrated sulfuric acid.
双枝[1，3，4]-恶二唑衍生物的合成与荧光性质。
Synthesis and Fluorescence Properties of Bisbranched 1,3,4-Oxadiazole Derivatives.
利用ZINDO/SOS方法，从理论上研究了对称和不对称取代两种情况下，取代基对二噻吩并噻吩衍生物单双光子吸收性质的影响。
In order to investigate the effect of substituents on the two-photon absorption properties(TPA), the one-and two-photon absorption properties were theoretically studied by using ZINDO/SOS method.
目的：合成笼状双环磷酸酯的戊酸酯及己酸酯衍生物。
Aim: To synthesize pentanoate and hexanoate of caged bicyclic phosphate.
螺双芴衍生物在有机电致发光领域有重要的应用价值。
Recently, spirobifluorene have great significance in the field of OLED.
螺双芴衍生物在有机电致发光领域有重要的应用价值。
Recently, spirobifluorene have great significance in the field of OLED.
应用推荐