cyclization
n.
环化（作用）；成环；
双语例句
用作名词(n.)
The effect of solvents and steric hidrance on the stereochemistry of cyclization is investigated in details.
并且考察了在环合反应中溶剂和空间位阻对立体选择性的影响。
The mechanism was discussed in the proton acid catalytic reaction of furan phenol cyclization.
探讨了呋喃酚环合反应质子酸催化机理。
权威例句
Cyclization catalyzed by palladium(0). Initial studies and macrolide formationEnzymatic cyclization of squalene and oxidosqualene to sterols and triterpenes
The Product Derived from the Cyclization of Triglycine Azide
Palladium-catalyzed alkylative cyclization of 1,6- and 1,7-enynes
New Type of Asymmetric Cyclization to Optically Active Steroid CD Partial Structures
Gold-catalyzed nucleophilic cyclization of functionalized allenes: a powerful access to carbo- and heterocycles
An Efficient Route to Well-Defined Macrocyclic Polymers via “Click” Cyclization
Cationic gold(I) complexes: highly alkynophilic catalysts for the exo- and endo-cyclization of enynes
Ground states of molecules. 64. .pi.-Complexes as intermediates in reactions. Biomimetic cyclization
Preferential formation of 8-epi-prostaglandin f 2α via the corresponding endoperoxide by a biomimetic cyclization
1. Cyclization occurs readily with dilute alkali.
遇到稀碱就容易环化。
youdao
2. A possible mechanism for the cyclization reaction was suggested.
提出了可能的环化反应机理。
youdao
3. The major process to study DNA instinctive flexibility is DNA cyclization assay.
DNA分子的环化是研究其本身柔韧性的主要方法。
youdao
4. The appropriate reaction conditions of cyclization reaction: NaOEt was 1.4 mole eq.
合环反应的条件为：乙醇钠的用量为1.4摩尔当量；
youdao
5. The mechanism was discussed in the proton acid catalytic reaction of furan phenol cyclization.
探讨了呋喃酚环合反应质子酸催化机理。
youdao
6. The phenomonon was explained in view of the mechanism of chemical cyclization of poly(amic acid).
从聚酰胺酸化学环化反应机理出发对这一结果给予了解释。
youdao
7. The mechanism of cyclization of DAT and the principle of the anion extraction were also discussed.
同时，探讨了DAT的成环反应历程，阐述了阴离子高效萃取的原理。
youdao
8. The theory involving the cyclization effect was in excellent agreement with the experimental data.
经过适当内环化校正的理论与实验数据很好地符合。
youdao
9. The occurrence of SBR cyclization was confirmed by the primary analysis of ir and 1 H-NMR spectra.
通过对红外光谱、1H - nmr谱的初步解析，证实了环化反应的发生。
youdao
10. The method adopts the amino resin to synthesize carbetocin by the solid phase cyclization technology.
本发明采用氨基树脂，固相环合技术，合成卡贝缩宫素。
youdao
11. The conditions of reaction of cyclization were moderate, the purity and yield of the product was higher.
环合反应的条件缓和，产品收率和纯度高，在四氢咔唑类化合物的化学制备中具有重要参考价值。
youdao
12. According to the experimental results, it was assumed that the cyclization was taken by nucleophilic attack.
根据实验结果，我们推测反应的关键步骤为亲核进攻。
youdao
13. METHODS Bretazenil was synthesized from 3-bromoaniline by cyclization, oxidation and ring-enlargement reaction, etc.
方法以3-溴苯胺为起始原料，经过成环、氧化、扩环等反应得到目标产物。
youdao
14. METHODS Cilnidipine was synthesized from cinnamyl alcohol by esterification, feminization and condensation - cyclization.
方法以肉桂醇为原料，经酯化、氨化和缩合-环合而得。
youdao
15. The resin (b) is preferred to be conjugated diene polymer cyclization material with unsaturated bond decrement rate more than 10%.
树脂(B)优选为不饱和键减少率为10%以上的共轭二烯聚合物环化物。
youdao
16. Levocetirizine dihydrochloride was prepared from benzoyl chloride by acids lation hydrogenation cyclization with an overall yield of8.05%.
以苯甲酰氯为原料，经酰化，还原，环合等反应合成左旋西替利嗪盐酸盐，反应总收率为8。05%。
youdao
17. Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05%.
以苯甲酰氯为原料，经酰化，还原，环合等反应合成左旋西替利嗪盐酸盐，反应总收率为8.05%。
youdao
18. From 2, 6-dichloropyridine as starting material, we can get the target molecule through nitration, substitution, reduction, cyclization, oxidation etc.
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。
youdao
19. That is dehydrogenation and cyclization of paraffins, dehydrogenation and aromatization of naphthenes, and cracking reaction to form C 5 lighter products.
集总组分之间主要发生烷烃脱氢环化、环烷烃脱氢芳构化和加氢裂化反应。
youdao
20. 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。
youdao
21. METHODS The compound was synthesized through the reaction of cyclization, split, bromination et al and using 1,3-propyl bromide and ethyl acetoacetate as raw materials.
方法以1，3-溴丙烷与乙酰乙酸乙酯为原料经环合、开环、溴代等反应合成。
youdao
22. This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.
讨论了以草酸二乙酯为原料，经过克莱森缩合、环合、氨解反应合成5甲基异唑3甲酰胺工艺的改进。
youdao
23. Methods Apraclonidine was synthesized from P-Nitraniline by reaction with reduction, adding protection group, formylation, chlorination, cyclization, off-protecting group.
方法采用对硝基苯胺为原料，经还原、加保护基、甲酰化、氯化、环合、脱保护基六步反应法可进行化学合成。
youdao
24. Bromacil was synthesized using 2-bromobutane and urea as the starting materials in three steps including condensation, cyclization and bromination with total yield of 61%.
以2 -溴丁烷和尿素作为起始原料，经缩合、环化、溴代三步反应得到除草定，总收率为61%。
youdao
25. Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
筛选以2-溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。
youdao
26. Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
筛选以2-溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。
youdao
27. intramolecular cyclization
分子内环化作用
-- 来源 -- 英汉 - 翻译参考[网络]
28. cyclization of olefines
烯烃环化
-- 来源 -- 英汉 - 翻译参考[网络]
29. Methods and Results Through the reaction of alkylation of substituted phenols, hydrolysis and cyclization
方法通过取代酚的醚化,再在苯环上直接引入腈乙基,然后水解、合等反应,直接生成吲哚衍生物。
-- 来源 -- dict.cnki.net
30. aromatic cyclization of paraflins
芳构环化作用
-- 来源 -- 英汉 - 翻译参考[网络]
31. compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization
烯丙醇和环氧氯丙烷在三氟化硼乙醚络合物的催化作用下进行加成和环化反应制得标题化合物。
-- 来源 -- www.21cnbio.com
32. Cyclization occurs readily with dilute alkali.
遇到稀碱就容易环化。
-- 来源 -- 英汉 - 辞典例句
33. organic reactions including the formation and cleavage of common protecting groups, oxidation, reduction, cyclization
从有机合成化学的角度，按反应类型综述了分子碘作为催化剂在有机化学中的应用，碘催化的反应主要涉及保护基团的形成和裂解、化和还原反应、环反应、成反应、代反应和重排反应等。
-- 来源 -- www.21cnchem.com
cyclization
