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Oxidationsnumbers for ester?

How to find the oxidation numbers for ester. Sorry about my english I learn things in german. My main issue is about finding the numbers of Ester group. ...
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0answers
29 views

Cross Claisen Condensation question [on hold]

The cross claisen condensation of ketone A with compound B creates a 1,3-dicarbonyl compound C. Draw the mechanism for the reaction. State what property of compound B makes it ideal for this type of ...
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1answer
32 views

Malonic ester synthesis question [on hold]

How can the malonic ester synthesis be used to prepare carboxylic acid A from the starting material B? Show mechanism and reagents used. Carboxylic Acid A Starting Material B
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1answer
67 views

'Hard' soap vs. 'Soft' soap: Why do they work this way?

In school, we did an experiment using fat and $\ce{KOH}$ to create 'soft' soap. Afterwards, we added $\ce{NaOH}$ to change it into 'hard' soap. I read on multiple places on the internet that the ...
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1answer
36 views

Ester as a solvent

I am curious as to why ester is used often as a solvent in organic chemistry? How is it different that just using water, which is also polar? I'm sorry if this is a basic question, I'm just a student. ...
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1answer
181 views

Resonance stability: ester vs. thioester

My problem set solution cites: "Although sulfur is less electronegative than oxygen, overlap is a more important consideration. Sulfur is a member of the third period. As a consequence, a ...
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1answer
471 views

Esterification of a carboxylic acid and the production of water

In an esterification reaction between a carboxylic acid and an alcohol, a carboxylate ester and water is produced. I found the following diagram online, and my textbook has a similar one as well ...
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3answers
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Is it Possible to Synthesise Ethers from Carboxylic Acids?

Is it possible to synthesise ethers from carboxylic acids, and if so how? By ether I mean an ether in general (R-O-R'), not just specific examples. I theorised one could perform Fischer ...
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2answers
347 views

Why do lipids in a cell hydrolyze into glycerol and fatty acids?

Most Lipids in a cell have ester bonds (made up of glycerol and fatty acids). I have learned in my chemistry class that we can hydrolyze an ester by simply adding water to it. $$\cee{CH3COOCH2CH3 ...