该复杂反应的特征在于酮-烯醇互变异构平衡和酯交换反应。
This complex reaction is characterized by a keto-enol tautomerism equilibrium and ester exchange reaction.
它们将经历一个称为互变异构的过程。
本文合成一种具有互变异构性能的新型激光染料奇通红。
本文就不同条件下烯醇式的互变异构的相对含量作一分析。
The relative content of enol form on the different condition is analysed in this paper.
确定了互变异构体及过渡态的几何构型、相对能量和活化能。
The geometries, relative energies, and activation energy of the tautomer and transition state were determined.
此螯合反应是由酮—烯醇互变异构平衡过程和酯交换反应组成。
This complex reaction is characterized by a keto enol tautomerism equilibrium and ester exchange reaction.
此螯合反应是由酮一烯醇互变异构平衡过程和酯交换反应组成。
This complex reaction is characterized by a keto-enol tautomerism eqilibrium and ester exchange reaction .
与胸腺嘧啶相似，但很容易转换成与鸟嘌呤配对的互变异构形式。
Resembles thymine, but easily interconverts to tautomeric form that pairs with guanine.
运用MNDOMO法对五种四唑衍生物的互变异构反应进行了理论计算。
Theoretical calculations on the tautomerization of five tetrazole derivatives are performed with MNDO MO method.
还对分子内的受阻旋转、活泼氢状态以及互变异构体的动力学现象作了讨论。
The states of active hydrogens, the hindered rotation within molecules and the kinetic phenomena of tautomerism have also been discussed.
通过对其吸收光谱的研究，证明荧光素钠在乙醇溶液中存在多种互变异构体。
By studying the absorption spectra, we have verified the existence of various tautomers of sodium fluorescein in ethanol solution.
一化合物，在溶液中存在酮式与烯醇式互变异构体，普通液相柱中能否分开？
It does not make any sense that trying to separate the tautomers of enol and ketone.
对它们在不同溶剂。 不同酸碱度溶液中的偶氮式及腙式间互变异构平衡进行了研究。
The tautomeric equilibrium between the azo type and the hydrazone type of these compounds in different solvents and different acidity has also been studied.
发现有两个势阱：其中一个对应正常的胞嘧啶，而另一个则对应它的顺式亚胺式互变异构体。
Two potential Wells are found. One corresponds to the normal cytosine, while the other corresponds to its imino tautomer.
其后，对所有化合物采用另一异构形式重复上述过程，以探讨互变异构对QSAR建模的影响。
Then, using another tautomer(2H-indazole form), all of the above processes were repeated to investigate the effect of tautomerism upon the QSAR modelling.
硫代鸟嘌呤互变异构的熵效应小，对互变异构平衡没有显著的影响，而焓变对互变异构产生了主要的影响。
The entropy effect on the Gibbs free energy of 7-thioguanine base is very small and there is little significance for the tautomeric equilibria of the base.
本发明涉及具有以下结构式i的新颖化合物及其可药用盐或互变异构体、使用它们的组合物和使用它们的方法。
This invention relates to novel compounds having the structural Formula I below: and their pharmaceutically acceptable salts or tautomers, compositions and methods of use thereof.
乙醇分子复合物的互变异构能和孤立溶质分子的互变异构能结果很接近，表明溶剂分子参与反应并没有改变互变异构平衡。
The tautomeric energies of DHP(HMP)-ethanol clusters is close to that of the isolated solute molecule. It indicates that the solvent molecule have not changed the tautomeric equilibrium.
乙醇分子复合物的互变异构能和孤立溶质分子的互变异构能结果很接近，表明溶剂分子参与反应并没有改变互变异构平衡。
The tautomeric energies of DHP(HMP)-ethanol clusters is close to that of the isolated solute molecule. It indicates that the solvent molecule have not changed the tautomeric equilibrium.
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