substitution reaction
基本解释
- 取代反应;[化学] 置换反应
英汉例句
- Amines can engage in nucleophile substitution reaction with alky.
胺能参加与卤代烷的亲核取代反应。 - Results show that the substitution reaction occurred mainly on the amine groups of chitosan.
结果表明,壳聚糖合成HTCC的取代反应主要发生在壳聚糖的氨基上; - This just show that we can get compounds which have anticipative structure through substitution reaction of precursor or by changing the reactive condition of the system.
这就说明,我们可以通过前驱体的取代反应和通过改变反应体系的条件来制备具有预期结构的化合物。
双语例句
词组短语
- Substitution cycloaromatization reaction 取代
- the nucleophilic substitution cyclization reaction 亲核取代成环反应
- nucleophilic substitution reaction 亲核取代反应
- Kinetics of substitution reaction 取代反应动力学
- internal nucleophilic substitution reaction 分子内亲核取代反应
短语
专业释义
- 取代反应
3,8-Bis-(1-hydroxyethyl)deuteroporphyrin dimethyl ester(Ⅲ) was prepared from hemin(I) by the ways of HBr-H3CCOOH addition reaction,OH-nucleophilic substitution reaction and anhydrous hydrogen chloride catalyzed esterification. It was then oxidized by Jones reagent to form 3,8-bisacetyl deuteroporphyrin dimethyl ester(Ⅳ).
以氯化血红素(Ⅰ)为原料,经过溴化氢-冰醋酸加成反应、羟基亲核取代反应和无水氯化氢催化酯化反应制得3,8双--(1羟-基乙基)次卟啉二甲酯(Ⅲ),然后通过琼斯试剂氧化反应制备了3,8双-乙酰基次卟啉二甲酯(Ⅳ)。 - 置换反应
- 取代反应
- 取代反应