IUPAC Nomenclature of Cyclic Compounds
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- čas přidán 3. 01. 2015
- Look at the pretty shapes! One more bit of IUPAC nomenclature, this time for cyclic molecules. You know, like cyclohexane and what not.
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These are by far the best tutorials on IUPAC nomenclature, why dont you have more views?
+Rmutt gotta get the word out! please share with friends!
Rmutt bro because not even more people are familier with this channel. Today i accidently find this channel quantum no video then asap i subscribe it first and share it amap
@@ProfessorDaveExplains @ what about compounds with functional groups
Please explain them quickly
I guess not all dudes wanna learn cyclic compounds?
💥🙄
Just chain watched all of your IUPAC nomenclature videos. Best most comprehensive tutorials available on YT. I saw some other videos before yours and they weren't even half as comprehensive.
Thank you so much! I have subscribed to you as you are excellent!!
+Sammy El-Refee thanks kindly! spread the word!
I SO appreciate your videos. They are top quality content. Your topics are focused and videos are just the right length. You are articulate and clear, and your examples further clarify any possible confusing circumstances that might arise in the topic you are lecturing on. Thank you, thank you, thank you!
I've been searching for a video to explain IUPAC Nomenclature with multiple substituents and you sir made it clear and easy!!! definitely earned a sub
Thank you for sharing this, Professor Dave. It might be worth it in another video or so, to clarify to the audience and students that the “lowest set of locants” does *not* mean the set of locants with the lowest sum, but it means the set of locants with the lowest number at the first point of difference. Meaning, in this example 2:41, we compare two sets going in opposite directions:
1,4,6
1,2,4
The set “1,2,4” wins, or is the correct one, because after we skip both 1s in the sets, as they're the same, the first point of difference is between 4 and 2 above each other; 2 is lower, so its set wins, or is the correct one to use, *even* if that set's sum is higher than another set's sum! This is very important for students to know and understand, and lots of them get it wrong when they hear the title of the rule, “lowest set of locants”.
hmm, i'm wondering if these two methods could ever even yield different results in the first place?
Professor Dave Explains Yes, Professor Dave, they do yield different results sometimes. More precisely, sometimes the sum of the locants leads to the wrong answer while the lower at the first point of difference leads to the correct one. Dr. Ian Hunt, from the Department of Chemistry, University of Calgary, wrote an article about this titled *Don't sum locants!* The article lists some examples of when the sum misleads.
well good stuff, thanks for the tip!
Professor Dave Explains You're most welcome. And thank you for sharing all these lectures; it helps a lot. And what I mentioned is a drop in the sea of those lectures. =)
@@ProfessorDaveExplains yes prof dave they yield different results in the case of a trimethyl decane to be more precise consider this 2,7,8trimethyldecane and 3,4,9trimethyldecane and use both methods for both compounds they yield diff results but first one is considered to be correct so as ocatants rule
thank you so much. This is such an awesome tutorial, i like the quality (good image and clear sound).Also, it's great that you explain things in details. please do more tutorial on nomenclature for more complicated compounds. im looking for it
Thanks professor. You have indeed solved all the problems I have been experiencing in organic nomenclature since I joined A level
During my undergrad degree, best prof in youtube. Still the best, pursuing my MA degree rn.
Thank you Professor Dave! Your videos are professional and always get straight to the point.
You know you're actually one of the best examples of modern teachers! I'd love to be your student! Wait I am one already! That's cool!
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Guys why does he need to shut up he did nothing wrong.
@@pastoryoda294 I think these replies were for some other reply to this comment
Every vid of yours are worth watching professor dave. I've learned a lot here, indeed thankyousomuch! More power & Godbless. You're such a great professor! 💞
You always save me from my physics exams and now chemistry WOW. Thank you so much
9 years ago ... DANMMMMM
your classes are awesome and they helped me a lot, and you are one of the best teacher i know.
I love these classes!
Seriously great stuff. You are GREAT at explaining that which has perplexed me!!
It's 11:52 pm right now and i'm here at Proffesor's Dave channel watching this IUPAC video, i really like his way of explaining it. I hope I can apply my learnings after this
Wow for the first time in years i actually understand now. A big thanks!!!!!
I would not survive AP Chem without your videos!
The best tutorial to learn the IUPAC numbering for cyclic compounds>
Thanks sir Dave!
Love from India.
Thank you Prof Dave ! Helped me bunches =D
Amazing video, could you do one more video about IUPAC of more complex cyclos?
maybe with 2 doubble bonds, 3 doubble bonds, combined with triple bonds, combined with another phenyl.
Probably a video where you have already written 10 molecules and then you name it with us.
I love ur classes sir ,it helps me a lot thanks....
I really like this professor. His teaching methods are exceptional. Thank you Sir
Thanks professor Dave, still helping students after 7 years.
professor dave , you cleared my all doubt , related to nomenclature.
Thank you so much!! These videos are very helpful
cool videos!! SIR. Professor Dave
hi dave you are seriously a god, thanks so much. you taught me more in a minute then my chemistry teacher did in 2 weeks thanks man
haha you're very welcome! feel free to email with questions!
Your videos make me love Science 💜
Sir you look like Ranbir Kapoor 😻😍❤️
whole world will love you sir, with lots of love from your Indian student..... thanks a lot
lol, I took an undergrad O Chem class and we didn't even deal with this "lowest set of locants" rule. I think it's great that IUPAC has a way to end up with the same name every time. I'm here laughing at how my college class didn't bother to explain this, yet here you are explaining it perfectly for everyone to see on CZcams.
Thank you sir you are the best teacher of chemistry and you are very nice
Wow, my head is still spinning but this is by far the best example of IUPAC rules with some great examples. Since we all have to "shelter in place" for this corona virus, I'm taking an online Chem class, and the textbook gives the most basic and least complex examples. So, thank you thank you thank you for these videos. I haven't taken a chem class since high school and that was many years ago.
Thank you for the help professor jesus. I am able to pass my organic chemistry class now
We have an examination tomorrow about organic chemistry and this would be a helpful channel for us who are in the 9th grade
Hi, I was wondering whether these nomenclatures accurate or not.
4-bromo-1-cyclohexene
3-ethyl-1-cyclopentanol
Thank you Professor Dave
Really good 🤩
Thank you ❤️
i M FROM INDIA ..love the way u simplify difficult concepts
You saved me during my Class 10 board exams with your first 4 videos on Organic Chemistry . Now I gonna learn Organic Chemistry of Classes 11 and 12 and for JEE from you . I am entrusting my life to you . Please save me .
Thank you so much proffesor
Your videos are very helpful
Love from India
Clear and concise.....thanx!
Severely underrated
Thank you so much professor dave❤
Hi Prof. Dave!
What determine whether the carbon chain forms a ring or not? Since the smallest ring is a 3 carbon chain, why is it that sometimes it's a straight chain and others it's a ring? Or is that just when the chain has substituents?
they're just different molecules! some linear some cyclic.
Love you Professor Dave 🥺
Thank you so much sir....... You are superb......
Anyone else a college student learning more about Orgo here than in Lecture? Amazing videos!
Best tutorials ever❤
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Thank you sir 😊
Well explained
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Thank you is too small for your amazing explanation
prof Dave, could you do I video on iupac nomenclature of heterocyclic compounds as well??
Nice human with nice information ♥️
Can you help me find the isomers of dibromodichlorobenzene(how many isomers do it have). Thank you.
So we don't include the substituents in the parent chain even if they could possibly lead to longer carbon chains?
How do we know what to give prioritization to for the numbering ?
thnx professor , i understood the whole nomenclature of cyclic compound , love from india
Thank you so much.❤️
Yes thank you. I saved myself hours of comprehending modules.
Love it!
You are awsm sir... Ur explanation is toooo good.. Thnku sir
I can't understand why people dislike the videos when they can't understand even after watching these kinda awesome videos
Thank you so much.
Thank you
Hello. Dear Professor Dave. How do you named this compouns: cyclopentyl metoxy sodium. Please Help me.
Thanks!!!!
What is the priority of substituents ? Can u pls give the list
Please do video on phenyl and benzyl group nomenclatures
Thank youuu✨✨
Please explain me a lowest sum rule in 2-bromo-1-chloro-5-fluoro-3-iodo benzene
3:24 Why do we write isopropyl instead of propyl?
Hi professor.. your videos are really cool..Can you please say when benzene can be used as a substituent or when it can be in parent chain
it can be either! depends on the situation. if a benzene ring is a substituent it's called "phenyl".
Your organic chemistry tutorials are so helpful Professor Dave 😊 thank you so much..I kinda wonder if you have any tutorials about naming cycloalkynes? Because usually on youtube i don't even see any clear demonstration in naming particularly cycloalkynes
that would be this one here
@@ProfessorDaveExplains thank you sir but do you have other more examples regarding cycloalkynes? 😅 im kinda confused on how to name a cycloalkyne compound with 1 triple bond and 3 substituents, like does it changed the name of the structure of a cyclic compound?
it's all the exact same rules outline here, doesn't matter how many substituents
@@ProfessorDaveExplains okk sir thanks 😊😊😊
Professor Dave Explains For the last one why did you not put -1- before the ol? Or is it not necessary? Because you put -1- before the ol in the previous video! Thks:))
on a cyclic compound the carbon that bears the hydroxyl is assumed to be carbon 1, you only need to specify on a linear alcohol
In India we study this in grade 10th you are very helpful ❤
Sir can we use prefixes like ISO Neo tertiary secondary primary carbons in both IUPAC as well as common naming?
so those prefixes are for common names not IUPAC, but still important!
Sir, I have a doubt- For eg in 2 Bromo carbonyl-4 cyclo propoxy carbonyl cyclohexane carboxylic acid, is 'c' in cyclo propoxy also written in alphabetical order? Like b in bromo comes before c in cyclo
This vid is awesome. I am working on my tasks on this...Prof..
. can you help me with some other compounds?
sure, email me if you like!
Sir what if a cyclic structure have both , double and triple bond
good vids
So does it mean that for e.g. propane is C3H8 but cyclopropane is C3H6?
correct!
How do we know whether OH is a hydroxyl substituent or an alchohol functional group?
It's always a hydroxyl substituent, an alcohol is a molecule with a hydroxyl substituent.
the isopropryl substituent in the cyclic compound looks like isobutyl...How would you draw isobutyl in the this compounds ? Thanks. Excellent channel. Thanks
Isobutyl looks like a trident. It has three heads connected to one. It's like a methane molecule except replace 3 of the hydrogens with methyl groups and the 4th hydrogen with the parent chain.
Wow, he just made chemistry sound fun
Thanks a lot !!!!!
what if there is a cyclic compound branched on a cyclic compound?
+Aron Balines depends on the situation! but cyclic alkanes can be named like alkyl substituents. like say, cyclopropylcyclohexane.
Love it 👍
Awesome sur
Could you have given the isopropyl the value of carbon 4 instead of carbon 1 ? (Ex. Minute 3.31, 4-ethly-1-isoproply-2-methly cyclohexane)
+Abraham Morales nope, that would make it 1,3,4! 1+3+4 = 8 which is more than 1+2+4 = 7, so it wouldn't be the lowest set of locants.
The videos are so helpful and they are very superb
Hi Professor dave (and anyone really!), may i know why can't we start naming C1 at the place you named C2? Then wouldnt it be 3-bromo-cyclohexene which is numerically lower/better? Thanks!! (:
the two carbons in the double bond have to be C1 and C2 in some order
What are locants
one suggestion ...
plz upload complex compounds
At 3:00 it could also be written as 4ethyl-1,3trimethyl cyclo hexane?
nope! that's not the lowest set of locants, there are not three methyl groups, lots of reasons that's no good.
In one of the examples you have given.....why doesn't bromine have priority over the double bond??
alkene has priority over any alkyl or halogen.
Sir Why the properties of compounds of isopropyl and propyl are different though they have the same formulae ?
You mean compounds that bear those substituents? Well they are different molecules. Structural isomers can have very different properties, like melting and boiling point, because they have different surface areas.