这就得到脱氧的苯衍生物(105)。
结论部分设计的苯并吡喃4酮衍生物具有比四环素更好的趋骨性。
Conclusion Some of the benzopyran-4-one derivatives synthesized have better bone affinities compared with tetracycline.
这些衍生物的熔点温度很容易确定,而且对每一种(苯脎)衍生物是特征性的。
The melting temperatures of these derivatives are easily determined and are characteristic for each osazone.
亲核性芳香取代。多取代苯衍生物合成的策略。
Nucleophilic Aromatic Substitution. Strategies in the Synthesis of Multisubstituted Benzene Derivatives.
合成了锌与巯基苯并噻唑衍生物的配位化合物,并对其进行了工业应用试验研究。
The complex compounds of zinc and mercaptobenzothiazole derivatives were synthesised and investigated on their industrial application.
苯并咪唑衍生物取代的苯并吡喃衍生物,其药用盐,它们的制备方法和含有它们的药物组合物。
Benzopyran derivatives substituted with a benzimidazole derivative, pharmaceutically acceptable salts thereof, their preparations and pharmaceutical compositions containing them.
这种合成苯衍生物的方法,将在本章第一部分介绍。
This mode of benzenoid synthesis is presented in the first part of this chapter.
在纤维素稀酸水解发酵制乙醇的过程中,由于弱酸、呋喃衍生物和苯系化合物对微生物的影响,乙醇的产量和产率都不高。
In hydrolysis of lignocellulosic materials, a lot of compounds which are inhibitory to microorganisms can be formed such as: weak acids, furan derivatives, and phenolic compounds.
介绍了苯及其衍生物对水环境所造成的污染和危害,并对水体中该类污染物降解技术研究进展进行了综述。
The research progresses in degradation technologies of benzene or some of its derivatives in water was reviewed. The recent status of water pollution caused by these pollutants was briefly introduced.
本发明涉及一类新型的具有苯并噻吩或噻吩骨架的异羟肟酸衍生物。
The present invention relates to a novel class of hydroxamic acid derivatives having a benzothiophene or thiophene backbone.
合成了四种苯骈三氮唑(BTA)的酰基衍生物。
Four types of carbonyl derivatives of benzotriazole (BTA) were synthesized.
本论文主要开展了乙烯基硫醚和苯并噻唑衍生物的选择性合成方法的研究。
The dissertation describes some selective methods for the synthesis of alkenyl sulfides and benzothiazole derivatives.
本文研究了用四苯硼酸衍生物为载休的石墨内导PVC膜阳离子药物通用电极。
The preparation of a general purpose PVC membrane electrode (GPE) for some cation drugs with inner graphite contact by using tetraphenyborate and its derivatives as ion carrier shave been studied.
已知的是,二苯甲酰甲烷及其衍生物对紫外辐 射相对敏感,且它们在日光作用下迅速分解。
It is known that dibenzoylmethane and its derivatives are relatively sensitive to ultraviolet radiation and they decompose rapidly under the effect of sunlight.
可用作治疗剂的噻吩并吡啶的苯并稠合杂芳基酰胺衍生物,包括它的药物组合物,及其使用方法。
Benzofused heterozryl amide derivatives of thienopyridines useful as therapeutic agents, pharmaceutical compositions including the same, and methods for their use.
运用HMO法对卤化苯及其硝基衍生物的电子结构进行系统的校正计算和研究。
The electronic structure of the halogenobenzene and theirnitroderivatives has been systematically calculated and studied by HMO method.
噻吩衍生物的吸附能顺序依次为,4,6-二甲基二苯并噻吩<二苯并噻吩<噻吩<苯并噻吩,与实验结果相近。
The calculated adsorption energy of the thiophenic compounds increased as 4, 6-DMDBT< DBT< TP< BT, which agrees with the experiment.
本发明还涉及用有效量的至少一种式(I)二硫杂环戊烷化合物使至少一种二苯甲酰甲烷衍生物对辐射光稳定化的方法。
This invention also relates to a light stabilizing method for at least one dibenzoylmethane derivative with effective amounts of at least one dithiolane compound (I).
设计合成一系列具有不同取代基的苯甲酰萘(苯)胺衍生物,测定它们在非极性溶剂环己烷中的荧光发射光谱。
A series of prar-and meta-substituted benzanilides were synthesized and their fluorescence spectra in nonpolar solvent cyclohexane were investigated.
此外我们在合成4-羟甲基衍生物的同时意外得到苯并呋哺酮结构的副产物。
A series of 4-methyl, 4-hydroxyolmethyl, and 4-aryl coumarine derivates were synthesized and some unexpected behavior reactions were discussed.
作为一种重要的荧光材料,晕苯及其衍生物的研究一直倍受人们的关注。
As an important fluorescence material, coronene and its deviations had attracted much attention.
以苯为原料可合成250种以上的有机化学品,但主要衍生物为乙苯、异丙苯、环己烷和硝基苯。
Benzene as raw materials in order to be more than 250 kinds of synthetic organic chemicals, but the main derivatives for ethylbenzene, cumene, cyclohexane and nitrobenzene.
此项工作,为合成新型1,5-苯并硫氮杂卓衍生物的研究工作提供了实验依据。
The work provides an experimental basis for the synthesis of novel 1,5 - benzothiazepine Zhuoyan biological research.
通过对硫脲衍生物分子化学键的研究,发现了氧气法不仅适用于生产二苯胍,还适用于生产其他胍衍生物。
Oxidative methods to prepare not only 1,3-Diphenyl guanidine but also other guanidine derivants were introduced through studying chemical bonds of thiourea derivants in this paper.
碳、氮和氧族元素取代对2,1,3 -苯并噻二唑衍生物的电子、光谱、电荷传输性质影响的理论研究。
Carbon, nitrogen, and chalcogen substitution effects on 2, 1, 3-benzothiadiazole derivative: theoretical investigations of electronic, optical, and charge transport properties.
避免接触苯、甲醛及其衍生物,如使用含超标苯、甲醛浓度的家庭装修材料、农药、汽油、油漆等。
Avoid exposure to benzene, formaldehyde and its derivatives, such as the use of substandard benzene, formaldehyde concentrations of families decoration materials, pesticides, gasoline, painting.
本发明涉及新颖的通式(I)的苯丙素类衍生物,其中R表示氢。
The invention relates to a phenyl propanoid derivative of formula (I), wherein R represents hydrogen.
对2 -芳基苯并恶唑衍生物的光谱及光物理行为进行了研究。
The spectra and photophysics of 2-aryl-benzoxazole derivatives have been studied in this work.
新型含1,2,4-三唑及苯并三唑类杂环衍生物的合成。
The Synthesis of Heterocyclic Derivatives Containing 1,2,4-triazole or Benzotriazole;
新型含1,2,4-三唑及苯并三唑类杂环衍生物的合成。
The Synthesis of Heterocyclic Derivatives Containing 1,2,4-triazole or Benzotriazole;
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