ester
US
・UK
C1 高級
n.名詞酯
You'll find that ester is a component of many cosmetics
影片字幕
德懷恩·韋德的「關於籃球」問題？ | Tech Support | WIRED Japan (ドウェイン・ウェイドだけど「バスケについて」質問ある？ | Tech Support | WIRED Japan)
- I cannot tell you, Ester, how to get in the zone,
Ester，我無法告訴你如何進入專注的狀態，
捨棄野心，追求影響力 | Novonesis 執行長 Ester Baiget (Choose Impact Over Ambition | Novonesis CEO Ester Baiget)
- In 2019, Ester Baiget made a decision that would change the course of her career.
2019年，Ester Baiget 做了一個改變她職涯方向的決定。
- These are Ester Baiget's executive decisions.
這些是 Ester Baiget 的決策。
β-二羰基化合物的反應！ (Reactions of Beta-Dicarbonyl Compounds)
- So when we learned about clayson condensation, we saw that we could take an ester substrate and produce a beta-dicarbonyl compound.
當我們學習克萊森縮合反應時，我們看到可以利用酯受質來產生 β-二羰基化合物。
- Say, from a two-carbon ester.
比如說，從一個二碳酯開始。
克萊森縮合與狄克曼縮合：超詳盡解說！ (Claisen Condensation and Dieckmann Condensation)
- And so, uh, here the key thing that we want to see right off the bat is that whereas aldol condensation was operating on aldehyde or ketone substrates, here we are working with an ester substrate, okay?
那麼，我們一開始要看到的關鍵點是，羥醛縮合反應是針對醛或酮受質進行的，而這裡我們處理的是酯受質，好嗎？
- So once again, an ester, if we recall, that is, uh, an ester group is a carbon conn that is a, uh, a carbonyl connected to OR.
再強調一次，如果我們回想一下，酯基就是一個羰基連接上一個 OR。
IR 光譜學 (IR Spectroscopy)
- Now, this may vary depending on whether it is a carbonyl from an aldehyde, ketone, ester, amide, or what have you.
這可能會有所不同，取決於它是來自醛、酮、酯、醯胺或其他任何類型的羰基。
