welcome back everyone in this example, we need to identify the common name for the following ether structure below. We want to begin by recalling what an ether is. This is a type of group in an organic molecule characterized by an oxygen atom bonded to two R groups. Where this is our first our group and then this is our second R group. Recall that our groups are just series of carbon chains or carbons bonded to hydrogen. As we see in our structure here on both sides of our oxygen. And so they can also be considered alcohol groups. So let's go ahead and circle these. So next we want to observe that on our structure to the right of our oxygen atom, we can count a total of 123 carbons. So we have a three carbon chain where we recognize that each of these carbons are connected by sigma or single bonds. And so that would correspond to being an L. Kane. We recall. So we have a three carbon L. Kane chain where the three carbon tells us we have the prefix prop. And because we see that they're all bonded by single bonds, we have the ending ane as our suffix corresponding to it being an al caine group or al kiel group. Since it's a carbon chain. So because we know this is an alcohol group, we can actually just take off this ending ane and say pro peel doing the same for the carbon chain on the left hand side of our oxygen, we can count a total of 1234 carbons. So we have a four carbon L. Kane chain where four carbons gives us the prefixed butte. We have the ending ain't because as we see it's an L. Kane where each of these carbons are connected via single sigma bonds. And we can go ahead and now get rid of that ending aim because we recognize that this is an alcohol group as well. So we would say beautiful. And now for our common name, what we would have is our alcohol groups listed in alphabetical order, beginning with Beautiful. We then have proposal and then we would have ether where we recognize that we listed our alcohol groups specifically in alphabetical order, with the ending of our structure being ether. And so our final answer for our common name is going to be beautiful proposal ether. I hope everything I explained was clear. If you have any questions, leave them down below and I'll see everyone in the next practice video.

Ch.21 - Organic Chemistry

Tro - Chemistry: A Molecular Approach 4th Edition

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Ch.21 - Organic Chemistry

Problem 83b

Chapter 21, Problem 83b

Name each ether. b.

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Identify the longest carbon chain in the ether molecule. This chain will serve as the parent hydrocarbon.

Determine the alkoxy group, which is the shorter carbon chain attached to the oxygen atom. This group will be named as an alkoxy substituent.

Name the alkoxy group by replacing the '-ane' ending of the alkane name with '-oxy'. For example, a one-carbon group is 'methoxy', a two-carbon group is 'ethoxy', etc.

Combine the names of the alkoxy group and the parent hydrocarbon. The alkoxy group name is placed before the name of the parent hydrocarbon.

Ensure the name follows IUPAC naming conventions, and check for any additional substituents or branches that may need to be included in the name.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Ethers

Ethers are a class of organic compounds characterized by an oxygen atom connected to two alkyl or aryl groups. They have the general formula R-O-R', where R and R' can be the same or different hydrocarbon chains. Ethers are known for their relatively low reactivity and are commonly used as solvents in organic chemistry.

Nomenclature of Ethers

The nomenclature of ethers follows specific rules set by the International Union of Pure and Applied Chemistry (IUPAC). Ethers are typically named by identifying the two alkyl groups attached to the oxygen atom, followed by the word 'ether.' For example, the ether formed from ethyl and methyl groups is named ethyl methyl ether.

Common Ethers

Some common examples of ethers include diethyl ether, which is often used as a solvent, and tetrahydrofuran (THF), a cyclic ether used in various chemical reactions. Recognizing these common ethers and their applications can aid in understanding their significance in both laboratory and industrial settings.