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- heterocyclic enol 杂环烯醇
- Reaction of Dianion 8 with 4 To Form 7 and Enol 10. 反应形成酸根84710和烯醇.
- 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。
- An atom other than carbon in the structure of a heterocyclic compound. 杂环原子杂环化合物结构中的除了碳之外的原子
- The New Synthesis of Enol Phosphate Phosphorus, Sulfur, Silcon 1996, 118, 113. 应用固-液相转移方法合成肌醇磷酸酯化学学报1994,53,305.
- The New Synthesis of Enol Phosphate Phosphorus, Sulfur, Silcon 1996,118,113. 应用固-液相转移方法合成肌醇磷酸酯化学学报1994,53,305.
- And the other in Linhai,Zhejiang will mainly develop heterocyclic chemicals. 另一个设在浙江临海,以杂环化学品研发和产品工业化开发为主。
- Robert C. Elderfield. Heterocyclic Compounds [M]. 1952.Volume 4. 502-503. 花文廷.;杂环化合物[M]
- A series of researches indicated: direct linkage of heterocyclic to thio-ace... 一系列的研究说明:刚性杂环直接连硫乙酸是搭建新型材料可行的方法。
- 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。
- Calculations are performed for the enol and keton isomers of acetylacetone by quantum CNDO/2project in this paper. 本文应用半经验的CNDO/2方案对乙酰丙酮的两种不同异构体进行了量子化学计算。
- The enol form decay rate of diCN-HBO decreases with increasing solvent polarity. 不过受限于实验仪器的侦测范围限制,仍然无法得到一明确结果。
- The chemical behaviour of heterocyclic compounds is governed by the same factors that govern all chemical behaviour. 杂环化合物的各种反应与其它化学反应一样,均为相同的因素所制约。
- 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。
- We have, therefore, in both of the examples above, heterocyclic compounds with "built-in" or latent functionality. 上述两例中的杂环化合物,都具有“固有的”或潜在的官能基。
- The influence of the loading of iodine, reaction solvent, the structure of imine and enol ethers was studied. 详细考察了碘的用量、反应溶剂、亚胺和烯醇醚的结构对反应的影响。
- Many constituents are mutagens and carcinogenic such as alkenes, nitrosamines, polynuclear aromatic and heterocyclic hydrocarbons, amines . 烟草的很多成分都会引起有机体突变以及致癌;如烯烃化合物;亚硝胺;多核芳香烃以及多环碳氢化合物和铵.
- The common MDJ reacted wih trimethyl chloro-silane to produce the enol silicon ether. 摘要高顺式-二氢茉莉酮酸甲酯(MDJ)作为香料其性能远优于普通MDJ,是各大香精香料公司的招牌产品之一。
- Purine: Any of a class of heterocyclic compounds with a two-ring structure composed of carbon and nitrogen atoms. 嘌呤:嘌呤是对由碳、氮原子组成的双环结构的杂环化合物的统称。
- According to 1 H NMR, compound 9 appears to exist predominantly in its enol form 10 . 据1氢谱、复9似乎存在形式为主的烯醇10.