英语释义

1. a chemical reaction leading to ring formation in a compound

片语

Staudinger cycloadditionStaudinger环加成反应

Anionic cycloaddition[有化]

cycloaddition isomer环加成异构体

cycloaddition polymerization环加成聚合

cycloaddition reaction[化学]

Huisgen cycloaddition偶极环加成反应

cycloaddition recation环加成反应

Cycloaddition Reactions环加成反应

photochemical cycloaddition光化环加成

英汉例句

• These, cycloaddition reactions proceed with stereoselectivity.

  上述反应具有(顺，反)立体选择性。

• 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。

• 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am 1方法研究了C _(60)与单态二氯卡宾环加成反应的反应机理。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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。