英语词典
英语单词 汉英字典 汉英词典 高中 CET4 CET6 TOEFL 考研 IELTS GRE 英语短语 行业英语
汉语字典
偏旁部首 拼音查字 笔画查字 汉字结构 汉字笔顺 汉字拆字
汉语词典
成语组合 成语组词 近义词 反义词
成语词典
词语组合 词语组词
教育工具
古诗词 造句大全 元素周期表

cyclization

英[saɪklɪ\'zeɪʃən]
美[ˌsaɪklɪ\'zeɪʃən]

基本释义

n.
环化(作用); 成环

实用例句

Cyclization occurs readily with dilute alkali.

遇到稀碱就容易环化.

辞典例句

Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.

以柠檬桉叶油为主要原料经环化、催化氢化二步反应得到薄荷醇.

互联网

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.

互联网

Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.

综述了二碘化钐在分子内环化反应中的应用.

互联网

This paper describes the various cyclization reaction by neighboring group participation.

本文总结了邻基参与的各类环化反应.

互联网

The phenomonon was explained in view of the mechanism of chemical cyclization of 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.

互联网

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%.

互联网

The effect of solvents and steric hindrance 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.

互联网

Methods: Simvastatin was synthesized from lovastatin via acetylization, methylation, hydrolytic decomposition and cyclization reactions.

方法: 以洛伐他汀为原料,通过酰化 、 甲基化 、 水解、环合等反应合成了辛伐他汀.

互联网

Methods: Starting from diethanolamine, BP 897 was prepared via chlorination, cyclization, substitution aminolysis and condensation reaction.

方法: 以二羟乙基胺为起始原料, 经过氯化 、 环合 、 取代、肼解、缩合等反应合成BP897.

互联网

Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studied.

环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂, 研究了影响反应的各个因素.

互联网

最新英语单词

行业英语