其中7位氰基取代化合物是一个未见报导的新化合物。
Among these compounds, the cyano - derivative is a new compound which has not been reported in the literature.
苯并咪唑及其衍生物的开发,尤其是二取代化合物越来越受到重视,被认为是一类具有多种生物生理活性的杂环。
The development of the benzimidazole and it's derivatives, especially two replacements of benzimidazole, is regarded as a category with a variety bioactivities of heterocyclic.
报道了通过串联环加成芳构化反应合成多取代芳族化合物的方法。
The synthesis of polysubstituted aromatic compounds by using a tandem cycloaddition aromatization reaction was reported.
其中最短命的氢氟碳化合物,被发明取代氯氟烃,制冷剂可以稀释高层空气中的臭氧层,同时也是主要的升温剂。
The most troubling of the short-lived HFCs were invented to replace chlorofluorocarbons, refrigerants that were thinning the ozone layer in the upper atmosphere, and were also a major warming agent.
原理:当人体碳水化合物摄入不足时,它从脂肪燃烧中获得能量,取代原来的碳水化合物。
How it Works: When the body takes in very few carbs, it gets its energy by burning fat instead of carbs.
实际上,这份食谱只是处理饮食中蛋白质和碳水化合物的关系,而这两种物质可以由平衡健康的饮食来取代。
It is limited to only processed protein and carbohydrates, which are easily replaceable with a well-balanced, healthy diet.
当烃(典型的烷烃)的几个或全部氢被氯和氟取代而生成的化合物。
Compounds formed when some or all of the hydrogen atoms in a hydrocarbon (typically an alkane) have been replaced with chlorine and fluorine.
盐:酸中的氢被金属或相当金属的基团如氨(NH4)取代后所生成的化合物。
Salt: Chemical compound formed when the hydrogen of an acid is replaced by a metal or its equivalent, such as ammonium (NH4).
本工作合成了一系列取代的硝酮类化合物。
In this work, a series of nitrone compounds have been synthesized.
新的硫取代含氮杂环膦酸化合物,药物组合物,和治疗钙与磷酸盐异常代谢的方法。
Novel thio-substituted, nitrogen-containing, heterocyclic phosphonate compounds, pharmaceutical compositions, and methods of treating abnormal calcium and phosphate metabolism.
这就说明,我们可以通过前驱体的取代反应和通过改变反应体系的条件来制备具有预期结构的化合物。
This just show that we can get compounds which have anticipative structure through substitution reaction of precursor or by changing the reactive condition of the system.
联芳基取代吡唑化合物为钠通道阻滞剂,用于治疗疼痛和其它病症。
Biaryl substituted pyrazole compounds are sodium channel blockers useful for the treatment of pain and other conditions.
取代的(杂)芳基化合物,其制备方法, 其制剂及用途。
Substituted (hetero) aryl compounds, process for preparation, agents containing them, and their use.
本文报道用环加成-芳构化串连反应制备多取代芳香族化合物的方法。
The synthesis of polysubstituted aromatic compounds by using tandem cycloaddition aromatization reaction was reported.
乙炔基取代的芳族化合物,其合成,聚合物及其用途。
Ethynyl substituted aromatic compounds, its synthesis, polymer and use thereof.
方法:通过亲核取代、还原、氧化、亲核加成等反应得到目的化合物。
METHODS: Electrophilic substitution, reduction, oxidation and nucleophilic addition reaction were used in the synthesis of title compounds.
乙炔基取代的芳族化合物,其合成,聚合物及其用途。
Ethynyl substd. aromatic compounds, synthesis, polymers and USES thereof.
用AM1 方法计算了20 个卤素及三卤甲基侧取代氮、硫杂冠化合物分子的电子结构。
The electronic structures of 20 nitrogen, sulfur heterocrown ether compounds with side substitute of halogen and trihalomethyl have been calculated by means of AM1.
该文介绍油脂取代物出现、分类和国外对碳水化合物油脂模拟物研究与应用。
The appearance and classification of fat replacer, study and application of carbohydrate fat-mimetic overseas are introduced in the paper.
羧酸中的羟基被氨基取代后,生成的化合物,也可看作是氨的氢被酰基取代的衍生物。
The hydroxyl amino acid has been replaced, the resulting compounds can also be regarded as ammonia hydrogen has been replaced by acyl derivatives.
实验结果表明:焦炭前身物主要由三环取代芳香化合物组成,并有芳醚类化合物存在。
It was found that the coke precursor was mainly three ring aromatic compounds with a few of aromatic ethers.
以2,6 -二氯吡啶为原料,通过硝化,取代,还原,环化,氧化等几步反应可得到目标化合物。
From 2, 6-dichloropyridine as starting material, we can get the target molecule through nitration, substitution, reduction, cyclization, oxidation etc.
结果表明该类化合物具有很好的光学漂白性,含卤素取代酞菁的漂白效果明显好于不含卤素酞菁的效果。
Results showed that this kind of compounds has excellent photobleaching property. The bleaching effect of phthalocyanines containing halogen substituent is better than the one that is not substituted.
目的:研究具有正丁基和取代苄基侧链结构的三唑醇类化合物的抗真菌活性。
Objective:To study the antifungal activity of triazole alcohols by introducing N-butyl and substituted benzyl as side chain .
方法:以2氨基4 ,5二甲氧基苯甲酸为原料,分别经过环化、氯代、取代等反应,合成了五种目标化合物。
The five quinazoline compounds were prepared by using 2 amino 4,5 dimethoxy benzoic acid as original material, which underwent ring closing, halogenation and substitution.
化合物(6)上与氮相连的活泼氢原子,可能对某些反应有不利影响,故用碘甲烷对其进行甲基取代,得到了新的手性胍—化合物(7),并做了表征。
The active hydrogen in the compound (6) might take negative effect in some reactions and was substituted by a methyl to get compound (7) which was a new chiral guanidine.
化合物(6)上与氮相连的活泼氢原子,可能对某些反应有不利影响,故用碘甲烷对其进行甲基取代,得到了新的手性胍—化合物(7),并做了表征。
The active hydrogen in the compound (6) might take negative effect in some reactions and was substituted by a methyl to get compound (7) which was a new chiral guanidine.
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