carbocation

常見(jiàn)例句

• The first of the reactive intermediates to be considered is known as a "carbocation".
  要研究的第一種活性中間體叫做“正碳離子?！?/li>
• If there are five or more bonds to a single carbon atoms, it will be short of electrons and have a positive charge - this species is called a carbonium ion, a form of carbocation.
  陽(yáng)碳（碳鎓）：如果有五個(gè)甚至更多的鍵連接在一個(gè)碳原子上，碳原子由于缺乏電子而帶正電，這種物質(zhì)稱為陽(yáng)碳（或碳鎓），這是碳正離子的一種。
• Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.
  二茂鐵基苯基甲醇與三氟化硼-乙醚溶液在二氯甲烷中作用,形成二茂鐵苯基甲基碳正離子。
• Their result affirm:in all sorts of molecular rearrangement reactions,anyway tend to produce more stable carbocation,or carboanion,or free radical middle substance and their products.
  其結(jié)果證實(shí):在種種分子重排反應(yīng)中,總是趨向于生成結(jié)構(gòu)更穩(wěn)定的碳正離子或碳負(fù)離子或自由基中間體及其產(chǎn)物。
• Reaction of Diferrocenylmethyl Carbocation with Ethyl Acetoacetate and Crystal Structure of Its Product
  雙二茂鐵甲基碳正離子與乙酰乙酸乙酯的反應(yīng)及其產(chǎn)物的晶體結(jié)構(gòu)
• Keywords Markovnikov's rule;anti-Markovnikov's rule;electron-effect;reaction mechanism;Carbocation stabilization;
  馬氏規(guī)則;反馬氏規(guī)則;電子效應(yīng);反應(yīng)歷程;碳正離子穩(wěn)定性;
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