Naming Ketones Explained - IUPAC Nomenclature

This organic chemistry video tutorial explains how to name ketones including the use of iupac nomenclature. This video contains plenty of examples and practice problems of naming ketones with other functional groups such as aldehydes, carboxylic acids, alkenes, ethers, amines, cycloalkane rings, and alcohols.

[@TheOrganicChemistryTutor]

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The examples are really awesome. It has covered almost all possible namings of ketone. Great work.

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I love how its propanone, but chemists were like "nah, dawg, we gonna name you acetone, just because"

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[@sharafnawartaaseen8408]

how do you understand which one has more priority in which case? as in you mentioned ‘in this particular reaction’ so i am guessing it varies from formula to formula?

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[@monojoydey8982]

How do w know which functional group has more priority?

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[@TheOrganicChemistryTutor]

Anytime

[@raider7790]

Can we call 5-xoxHexanal as 1.aldehyde - 5.Ketone- Hexyne?

[@alyciaxy6042]

I think there's a mistake in the 2-cyclopenteneone. Isn't it supposed to be 2-cyclopentenone?🤔

[@abegailramilo3538]

same thought

[@gloriastoyanova2187]

When I checked it, the original suggestion was correct for nomenclature --> 2-cyclopentenone

[@tasneem6427]

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[@airman9209]

the carboxylic acid part kind of came out of nowhere on this one 6:10

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[@asadlasharibaloch2060]

If it is aromatic ketone than what can we do...??

[@shrishtiraval]

thank you.

[@yaryyary2327]

Thank you

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Thanks

[@JesusRamos-wh4zy]

why in the first exercise you didnt mention where the ketone is?

[@reddytoplay9188]

Amazing explanation

[@Jerrari]

5-bromoheptan-2-one works? 4:20

[@ellamaedecastro2316]

How to differentiate carboxylic acid and alcohol of they both use OH?

[@littlepowerplant]

A carboxylic acid group is always COOH while alcohol is simply OH so if there's an alcohol attached, it is only C bonded to OH without the double bond to O on the same C

[@johnlestergino8645]

A carboxylic acid has a carbonyl group which is an oxygen atom that is double bonded to a carbon. Carboxylic acids can only be found at the ends of an organic compound which is different from alcohols since they can be present in any of the carbons in the longest chain of a compund.

[@sarfarazsiyal3109]

Am i the only one who comes here for his voice only 😭

[@BitHai-ue8up]

Excuse me sir but ketone can't come at first position right? So why we name co group as 1 in cyclo haxane

[@paysonkeown2960]

They can be at carbon 1 if it’s a ring or if position 1 is bonded to something like a phenyl ring (1-phenylpropan-1-one)

[@aimin3683]

Can i write 2-Butanol as butan-2-ol

[@sanjeevregula]

Yes correct

[@Shaqiliciouss]

iirc names like butan-2-ol follow the more modern naming convention whereas 2-butanol is the "old way" that is still used pretty often. Both are correct

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[@waqas5228]

At the time stamp at 10:01 isnt't the structure supposed to be name 2-cyclopentenone

[@Noneofurbussines18348]

Because it has alkene group function

[@user-rr1bb3pj2l]

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[@jobbob1865]

For the last one, can it also be octan-2-one? @TheOrganicChemistryTutor

[@johnlestergino8645]

Yes, that's the modern way.

[@me-zt3jm]

I just listened to an hour-long lecture without understanding anything, and he could have done it with 13 minutes.!!

[@ayedomino4346]

i know no one’s going to answer this until it’s of no use to me but i’m confused.
the structure at 10:37 was said to have a alcohol (the OH at 3). i thought alcohol was only allowed at the end of the chain? or is that only carboxylic acid. even so, why was the name hydroxy?? isn’t it 3-methol? isn’t the IUPAC suffix for alcohol “ol”?
where did hydroxy come from ??

[@ayedomino4346]

i looked it up and it’s a hydroxy substituent. can they be used interchangeably? is it the same thing?

[@Noneofurbussines18348]

I've never heard about methol,

[@Noneofurbussines18348]

I thought hydroxyl fg is more priority than ketone

[@Noneofurbussines18348]

I thought it would be 2-oxo-pentan-3-ol

[@palavesaaravind1528]

❤️

[@amernasrawy339]

Thank you is not enough

[@emanhishmeh8394]

please answer me 🌸
it's correct to say
(( 2-cyclopentene -1-one ))
or as you said
(( 2-cyclopentenone ))

[@alyciaxy6042]

I think the 1 is not necessary to put.

[@jggaming6243]

You have to ommit 1 coz its already understood

[@meriemcullen8510]

its correct but unecessary u can ommit the 1

[@johnlestergino8645]

Still if you put 1 in the name, that should be 2-cyclopenten-1-one since no vowels should be following each other. You can also name it as cyclopent-2-en-1-one. But as always said, 1 is optional in cyclic chains unless there are more than one of that specific functional group, where you should always indicate their carbon numbers.

[@daivikwadhwani4149]

I thought amides have more priorrity than ketones idk someone help

[@muntazeerreja9458]

Yes amide has more priority than amine

[@rwayle]

There’s no amide in this video, amines have less priority than ketones. Make sure you’re identifying the groups properly

[@ara5539]

I know this is really late but an amide is a carboxylic acid derivative, which means the hydroxy group (OH) in carboxylic acid is replaced by an amino group (N). Which is why this NH2 in the video is just an amine, not amide.

[@matthewkoob7600]

What a god.

[@ceoofpoonis3668]

Error at 10:10 it's not 2-cyclopenteneone but 2-cyclopentenone

[@Noneofurbussines18348]

No😂

[@Noneofurbussines18348]

It has alkene fg ,so we must put "ene"

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just have a positive attitude and it will be ok

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I thaught the thumbnail was nanami kento :'D

[@VideoFiles-jv5xu]

5-bromo-2-methoxy-3-hexanone

[@MuhammadAsadAli-ub4tf]

5-oxohexanal ka structure glt hai

[@emmanuellaadobea7171]

💃💃💃

[@ramaraoramarao3180]

Explain with some clear voice

[@trickwiththarinduskt3969]

2-cyclopenteneone is wrong 2-cyclopentenone is correct

[@lolitbairiganjan2940]

You're doing it wrong my dear

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You have no idea what is going on😁

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ngomong ape dah lu

[@RickSnape]

1st is not propanone it is propan-2-one

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[@dawidspangenberg2162]

lol...he always says "thats it for this example" before the last example as if to say thats it for this video in the end.see 12:37 and 13:22

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Thanks