This complex reaction is characterized by a keto-enol tautomerism equilibrium and ester exchange reaction.
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。
We have already met one series of specific enol equivalents.
我们已经遇到过一系列有特效的烯醇等当物。
The relative reaction rate of adding dichlorocarbene to enol phosphates was studied.
在与二氯卡宾加成反应中，我们还研究了它们之间的相对反应速率。
It does not make any sense that trying to separate the tautomers of enol and ketone.
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？
The relative content of enol form on the different condition is analysed in this paper.
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。
This complex reaction is characterized by a keto enol tautomerism equilibrium and ester exchange reaction.
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 eqilibrium 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。
Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 May be obtained.
而由混合酸酐或双烯酮代替酰氯，中间体也可能是烯酮或烯醇5。
Keto-enol tautomerism is the most common tautomery phenomenon. Keto -enol themselves are the real chemical substance.
酮及烯醇互变是互变作用最普通的现象，它们都是真实的化学实体。
The calculation of the thermodynamic parameters shows that the transformation from enol to keto form is endothermic process.
热力学参数的计算表明，从烯醇式到双酮式构型的转变是一个吸热过程。
At last , we used the base: LDA, dry ice-acetone bath , to synthesize the enol phosphates and gain very high rigio-selectivity.
最后我们选用异二丙胺锂（LDA）为碱，在干冰丙酮浴下，合成了烯醇磷酸酯，并有很高的立体选择性。
In another direction, the radical cyclization of thioimide with acylsilane produced simple cyclization product in low yield without expected enol silyl ether compound.
对于硫醯亚胺与矽基酮的自由基反应，则是得到低产率的简单环化产物，而不是预期的烯醇矽醚化合物。
The Co 2(CO) 8 catalyzed reaction of pentafluorostyrene with triethylsilane and carbon monoxide gives a perfluorophenyl enol silyl ether as a mixture of regio- and stereo-isomers.
五氟苯乙烯与三乙基硅烷、一氧化碳在八羰基钴催化下反应得一个位置和立体异体（ 五氟苯基烯基硅醚）的混和物。
The synthetic mechanism and conditions of dimethylsilyl bis-enol ethers of ketones were studied and four dimethylsilyl his-enol ethers of ketones were synthesized and the yields were high.
本文对酮的二甲硅基双烯醇醚的合成反应机理和反应条件进行了探讨，在此基础上合成了四个酮的二甲硅基双烯醇醚，产率较高。
The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.
本发明茼蒿素类化合物及其合成方法与应用，该化合物具有烯醇醚-螺环缩酮-缩醛和不饱和侧链。
The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.
本发明茼蒿素类化合物及其合成方法与应用，该化合物具有烯醇醚-螺环缩酮-缩醛和不饱和侧链。
应用推荐