substitution reaction

基本解釋

• 取代反應(yīng)；[化學(xué)] 置換反應(yīng)

英漢例句

雙語例句

• Amines can engage in nucleophile substitution reaction with alky.
  胺能參加與鹵代烷的親核取代反應(yīng)。
• Results show that the substitution reaction occurred mainly on the amine groups of chitosan.
  結(jié)果表明，殼聚糖合成HTCC的取代反應(yīng)主要發(fā)生在殼聚糖的氨基上；
• 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.
  這就說明，我們可以通過前驅(qū)體的取代反應(yīng)和通過改變反應(yīng)體系的條件來制備具有預(yù)期結(jié)構(gòu)的化合物。

• substitution reaction更多例句

詞組短語

短語

• Substitution cycloaromatization reaction 取代
• the nucleophilic substitution cyclization reaction 親核取代成環(huán)反應(yīng)
• nucleophilic substitution reaction 親核取代反應(yīng)
• Kinetics of substitution reaction 取代反應(yīng)動力學(xué)
• internal nucleophilic substitution reaction 分子內(nèi)親核取代反應(yīng)

• substitution reaction更多詞組

專業(yè)釋義

化學(xué)

• 取代反應(yīng)

  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).
  以氯化血紅素(Ⅰ)為原料,經(jīng)過溴化氫-冰醋酸加成反應(yīng)、羥基親核取代反應(yīng)和無水氯化氫催化酯化反應(yīng)制得3,8雙--(1羥-基乙基)次卟啉二甲酯(Ⅲ),然后通過瓊斯試劑氧化反應(yīng)制備了3,8雙-乙?；芜策柞?Ⅳ)。

• 置換反應(yīng)

材料科學(xué)

• 取代反應(yīng)

生物學(xué)

• 取代反應(yīng)