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- Recent Advances of N-Pivot Lariat Ether in Asymmetric Synthesis N-支套索冠醚在不对称合成中的应用
- Keywords cryptand;lariat ether;bipyrazole;density functional theory （DFT）; 穴醚;臂式冠醚;双吡唑衍生物;密度泛函理论;
- Keywords Flavone derivative;Lariat ether;Host guest complex;Fluorescence probe; 黄酮衍生物;套索冠醚;主-客体络合物;荧光探针;
- N-Pivot lariat ethers are well known to have strong coordination ability for alkali and alkaline earth ions and to have excellent coordination ability for transition metal ions or ammonium ions. 氮支套索冠醚化合物因其支链的协同配位作用,其配位性能优越于大环聚醚或大环多胺,它们不仅对碱金属、碱土金属离子有一定的配位作用,而且对过渡金属和重金属离子、铵盐等有着特异的络合作用。
- Keywords N-pivot lariat ether;asymmetric synthesis;phase transfer catalyst;application; 支套索冠醚;不对称合成;相转移催化剂;应用;
- A whiff of ether will put you out in a few seconds. 一剂乙醚几秒钟后就会使你失去知觉。
- Keywords Bibracchial lariat ethers;Sulfur;Alkylation;Synthesis; 双臂套索冠醚;硫;烃化;合成;
- N-pivot lariat ether N-支套索冠醚
- lariat ether 落叶松醚
- Today's news goes into the ether and is soon forgotten. 今天的新闻广播听後不久即置於脑後了。
- The lariat hitched on one of his ears . 套索套住了他的一只耳朵。
- It was once believed that light waves traveled through the ether. 人们曾经相信光波在以太中穿过。
- The lariat hitched on one of his ears. 套索套住了他的一只耳朵。
- Keywords lariat ethers;monoazacrown ethers;alkylation;synthesis;MS.; 套索冠醚;单氮杂冠醚;烷基化环化;合成;质谱;
- Ether was used formerly to put a patient to sleep before an operation. 从前人们在手术前用乙醚来使病人昏睡。
- Their day is greedy as a lariat in the air. 他们的白天像空中旋舞的套索那么贪婪。
- The hospital smelled of formaldehyde and ether. 医院里充满甲醛和乙醚的味道。
- He went off at the first whiff of ether. 他一吸入醚就失去知觉。
- He lost consciousness at the first whiff of ether. 他一嗅到乙醚便失去了知觉。
- A whiff of ether win put you out ha a few seconds. 吸一口乙醚会使你在几秒钟内昏迷过去。
