cycloaddition
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n.
环加成（指不饱和分子化合成一环状化合物的反应）；
双语例句
用作名词(n.)
This paper focuses on the cycloaddition reactions on solid phase supports and their applications in organic synthesis and mechanism research.
本文介绍了在固相载体上进行的环加成反应，及其在有机合成及反应机理研究中的应用。
权威例句
Cu-catalyzed azide-alkyne cycloaddition.Cu-free click cycloaddition reactions in chemical biology.
Click chemistry beyond metal-catalyzed cycloaddition
ChemInform Abstract: Transition Metal‐Mediated Cycloaddition Reactions
Asymmetric Diels-Alder cycloaddition reactions with chiral .alpha.,.beta.-unsaturated N-acyloxazolidinones
Bioconjugation by Copper(I)-Catalyzed Azide-Alkyne [3 + 2] Cycloaddition
Copper-catalyzed azide-alkyne cycloaddition (CuAAC) and beyond: new reactivity of copper(I) acetylides.
A stepwise huisgen cycloaddition process: copper(I)-catalyzed regioselective "ligation"of azides and terminal alkynes.
Activity-Based Protein Profiling in Vivo Using a Copper(I)-Catalyzed Azide-Alkyne [3 + 2] Cycloaddition
ChemInform Abstract: Chiral Bis(oxazoline) Copper(II) Complexes: Versatile Catalysts for Enantioselective Cycloaddition, Aldol, Mich...
1. Asymmetric 1,3-dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.
手性唑硼烷酮能够催化不对称1，3偶极加成反应并取得很好的效果。
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2. At last, the catalytic mechanism of cycloaddition of propylene oxide with carbon dioxide is discussed.
论文最后对该催化剂在完成环加成反应过程中的催化机理进行了初步探讨。
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3. The synthesis of polysubstituted aromatic compounds by using tandem cycloaddition aromatization reaction was reported.
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。
dict.cnki.net
4. This paper focuses on the cycloaddition reactions on solid phase supports and their applications in organic synthesis and mechanism research.
本文介绍了在固相载体上进行的环加成反应，及其在有机合成及反应机理研究中的应用。
www.dictall.com
5. This paper introduce 1, 3-dipolar cycloaddition as a type of reaction, and also mentioned several disputed mechanisms and arguments: R.
作为一个反应类型，本文介绍了1，3—偶极环加成，述及了有争议的几种历程及其论据：R。
dict.cnki.net
6. A new catalyst system, SalenCoX/cinchona-derived quaternary ammonium salts, was developed to catalyze the cycloaddition of CO2 to epoxides under extremely mild reaction conditions.
开发了钴配合物/金鸡纳碱季铵盐催化剂体系用于催化CO2与环氧化合物的不对称环加成反应，考察了催化剂和助催化剂中阴离子对反应的影响。
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7. With vinyl acetate as reactant in place of acetylene and its derivates in 1,3 dipolar cycloaddition, the target product was obtained successfully.
在此步反应中成功地以醋酸乙烯代替乙炔及其衍生物作为环合试剂进行了1，3-偶极环加成反应，得到了目标产物。
dict.cnki.net
8. In this thesis, we have focused on the synthesis of highly substituted furan by the cycloaddition reaction of conjugated enynones with nitrones.
本论文是关于共轭烯炔酮与硝酮化合物反应生成多取代的呋喃化合物的研究，主要从三个方面进行了研究。
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9. The research advances of the chiral ligands metal complexes catalysts used in asymmetric 1,3-dipolar cycloaddition reactions were reviewed in this paper.
综述了手性配体金属络合物催化剂催化1，3-偶极环加成反应的研究进展。
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10. These, cycloaddition reactions proceed with stereoselectivity.
上述反应具有（顺，反）立体选择性。
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11. The studies indicate that 1,3-dipolar cycloaddition reactions are concerted reactions.
研究结果表明，1，3-偶极环加成反应是以协同反应机理进行的。
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12. The cycloaddition reaction of dichlorocarbene with C60 has been studied by using the semi-empirical method AM1. A reasonable mechanism of the reaction has been suggested.
用半经验AM1方法研究了C_（60）与单态二氯卡宾环加成反应的反应机理。
dict.cnki.net
13. The reaction mechanism of 8-dimethyl-7-methoxy-5-ethenyl-nonanenitrile oxide cycloaddition has been studied with the molecular orbital AM1 method and transition state theory.
用过渡态理论和AM 1方法，对8-二甲基-7-甲氧基-5-烯-壬腈氧化物分子内环加成反应机理进行了研究。
dict.cnki.net
14. In most cases, 1,3-dipolar cycloaddition of azides with acetylenes is the only way to synthesize substituted 1,2,3-triazoles.
目前，在药物合成中绝大部分的1，2，3-三氮唑的合成方法一直沿用1，3-偶极环加成法。
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15. The reaction mechanism of 4-methyl-5-ethenyl-heptanitril e oxide cycloaddition is studied with the molecular orbital AM1 method and transit ion state theory.
用过渡状态理论和量子化学AM1方法，对4甲基5 烯庚腈氧化物环加成反应机理进行了研究。
dict.cnki.net
16. The 1,3-dipolar cycloaddition reaction is very important in the synthese of the organic and functional molecule, and it is significant to ravel its reaction mechanism.
偶极环加成反应在有机功能性分子的合成中很重要，弄清此反应机理很有意义。
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17. In this paper, the catalysts and reaction conditions of the cycloaddition of carbon dioxide and propylene oxide are studied.
研究了碳酸丙烯酯和甲醇经酯交换制备碳酸二甲酯的催化剂及反应工艺条件。
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18. A wide variety of natural products, e. g. alkaloids, β-lactames, biotin, amino sugars has been synthesized by 1,3-dipolar cycloaddition reaction between nitrones and alkenes.
通过硝酮与烯烃化合物的1，3-偶极环加成反应合成了许多天然产物，如生物碱、β-内酰胺、生物素、氨基糖等。
dict.bioon.com
19. A wide variety of natural products, e. g. alkaloids, β-lactames, biotin, amino sugars has been synthesized by 1,3-dipolar cycloaddition reaction between nitrones and alkenes.
通过硝酮与烯烃化合物的1，3-偶极环加成反应合成了许多天然产物，如生物碱、β-内酰胺、生物素、氨基糖等。
dict.bioon.com
20. This paper focuses on the cycloaddition reactions on solid phase supports and their applications in organic synthesis and mechanism research.
本文介绍了在固相载体上进行的环加成反应，及其在有机合成及反应机理研究中的应用。
-- 来源 -- www.21cnchem.com
21. cycloaddition reaction
环加成反应
-- 来源 -- 英汉 - 短句参考
22. The cycloaddition itself is the slow step.
环化作用本身是慢的一步。
-- 来源 -- 英汉 - 辞典例句
23. The system of[4+3] cycloaddition and its application in organic synthesis are reviewed. A brief discussion about the future research is also given.
本方对[+]加成反应体系以最近在合成中的应用进行了综述，并对进一步研究的方向进行了讨论。
-- 来源 -- www.21cnchem.com
24. The recent progress of some organic synthesis reactions including oxidation, reduction, allylation, cycloaddition, Claisen, Micheal, Wittig, condensation, coupling, radical, organic photochemistry, substitution etc, is reviewed in this paper.
综述了近年来水介质中一些有机合成反应的研究进展，这些反应包括氧化、还原、烯丙基化、环加成、克来森、迈克尔、维悌希、缩合、偶联、自由基、有机光化学、取代等。
-- 来源 -- 网友提供
cycloaddition
