Chair Conformation and Ring Flips

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Chair Conformation and Ring Flips

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The Organic Chemistry Tutor

Күн бұрын

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@TheOrganicChemistryTutor 2 жыл бұрын

Organic Chemistry PDF Worksheets: www.video-tutor.net/orgo-chem.html Full-Length Exams & PDF Worksheets: www.patreon.com/MathScienceTutor/collections Access The Full 1 Hour 12 Minute Video: www.patreon.com/MathScienceTutor Direct Link to The Full Video: bit.ly/3iqOErh

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@vallariashar3179 3 жыл бұрын

unive- isn't this high school level stuff?

@kurooackerman7338 3 жыл бұрын

@@vallariashar3179 i learn this in university too so basically yeah, kinda uni level

@vallariashar3179 3 жыл бұрын

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@kurooackerman7338 3 жыл бұрын

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@Veronicz 3 жыл бұрын

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@thelostmann 8 ай бұрын

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@justinfrank3552 11 ай бұрын

I think the equatorial position should be parallel to the C -C bond either to the right or left. I have noticed that you have made some mistakes in drawing the correct structure. Otherwise, you the best tutor that I would always like your videos that simplifies everything. thank you very much.

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@mohamedfaisal7239 2 жыл бұрын

I thank you on behalf each and every student for doing the professor’s job

@mblackops2 3 жыл бұрын

Im confused on how you know if the substituents is either axial or equatorial and if they are up or down on on the chair. I understand the ring flip and which one would be more stable but I just dont understand the inital drawing process, someone plzzzzzzzzzz help

@imanifreefun 3 жыл бұрын

Hi @Mohamed Dahcheh, this video helped me understand the placement of substituents! kzfaq.info/get/bejne/at5-hNqgzbm2kqM.html Good luck!

@bet3324 2 жыл бұрын

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@Dina-he1uc 3 жыл бұрын

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@steadydets 3 ай бұрын

Thank you! You explained this so much better than my textbook and class :)

@aashrithasanaboina7051 Жыл бұрын

At 16:20, when you're doing a chair flip from form B to form A, you said that you move the carbons in a couterclockwise direction, but is it necessary to reverse the direction of the carbons, or just move them back one place? By the way, your videos are amazing, and I use them for practically every subject in school! Thank you so much!

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@CTN2023 9 ай бұрын

He didn’t say it in this clip but the positive slope clockwise and negative slope counterclockwise solidified this for me and got me my A

@anshumansingh5888 3 жыл бұрын

At 23:05 or even for the previous question, why can't both the groups be in the equitorial plane ? Why one needs to be in the axial and the other in the equitorial plane Having both the groups in the equitorial plane will make the compound more stable by avoiding 1-3 repulsion

@Christophero 2 жыл бұрын

I have this question too, we’re you able to find an answer?

@nathaniellightle5815 2 жыл бұрын

@@Christophero Because they're cis, they either both have to be up or both have to be down. They're also right next to each other in positions 1 and 2. The way the chair is set up you can't have axial and equatorial bonds next to each other in the same direction. So, they alternate directions. Therefore, the set-up with the lowest energy is one with the bulkier group on the equatorial bond and the smaller group on the axial bond. This way they are right next to each other and still pointing in the same direction. Does that make sense?

@leila8397 2 жыл бұрын

This actually comes down to the geometry of the carbon atoms. Notice they are all sp3 hybridized - if they were to be in the same plane, the ideal bond angle for sp3 hybridized atoms (109.5) would be deviated from which would further destabilize the molecule.

@thecosmos7671 Жыл бұрын

@@leila8397 thank you.

@fleuralger5954 3 жыл бұрын

Why is in the last example the oh in equatorial and not in axial? Because Br is in equatorial so the next one should be in axial???

@who-are-uu 3 жыл бұрын

i want to ask this ques too...

@aaliyahnuma4176 3 жыл бұрын

specifically looked in the comments for this question.. isnt it suppose to be axial since Br was equatorial

@aaronswanlund3174 2 жыл бұрын

Insane! Totally get these "chair flips," now!!

@abenise8028 Жыл бұрын

When dealing with 2 substituents, do we have to put them in opposite positions, like axial and equatorial?

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@qianhans2984 Жыл бұрын

17:25 the second demo, second structure, I think the up isopropyl should be shooting toward right

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@katerinybispo9398 3 жыл бұрын

salvando minha prova pq eu não achei nenhum canal BR que explicasse tão bem assim S2

@RahulSharma-ot3wo 11 ай бұрын

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@chukamadu6304 2 жыл бұрын

at the very last part... does it matter is it going axial or equatorial, as long as it follows the wedge pattern?

@salviapaprika7518 7 ай бұрын

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@AnisaTasnim-mp2ul 5 ай бұрын

Great explaination

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@rachelivester5025 3 жыл бұрын

For the first cyclohexane on number 5, wouldn't you start numbering at the bromine atom since halogens are the priority group in this case?

@sekarayu4806 2 жыл бұрын

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@lesoul700 Жыл бұрын

very clear Thank you so much!

@rishithmg1758 Ай бұрын

19:17 can we take the Bromine atom on axial down position as the methyl is on up so we still get a trans isomer

@metiburussie8973 2 жыл бұрын

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@Tanemi 3 жыл бұрын

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@rahmaabdelgani3339 2 жыл бұрын

Thanks for your efforts , I have an exam tomorrow 🙂

@chansakennedykencha 5 ай бұрын

on 15:00, the ring flip of the first molecule, was the labelling of axial and equatorial right?

@calyoungblood9453 11 ай бұрын

I could be wrong, but I do not think you are slanting your equatorial positions in the right direction in the middle of the chair molecule

@divyangvaidya9675 2 жыл бұрын

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@aideno2597 2 жыл бұрын

his study tips: - do it - use google - use a pen and paper his major: - chemistry

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@@aideno2597 Yep.

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Thanks!

@maryamawan9297 2 жыл бұрын

Plzz upload more lactures of conformational analysis like ethane, n-butane etc. I shall be very thank full to

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@harpreetbrar571 3 жыл бұрын

Thank you so much sir........ Explained in such an easy way....👍🏻👍🏻👍🏻👍🏻👍🏻

@Gyhama Жыл бұрын

hey, a question: in the last example where you draw isomers - you can choose between equatorial up or down and axis up or down positions, right? and that still counts as correct?

@alyssabasant5651 Жыл бұрын

wondering the same thing! did you find out?

@Gyhama Жыл бұрын

@@alyssabasant5651 still counts as correct ;)

@vaibhavkrishna6745 3 жыл бұрын

How do we judge axial or equatorial positions based on wedge or dash?

@SubsequentSauce 3 жыл бұрын

I'm probably a bit late with the answer but.... as you already understand each bond in the cycle-hexane structure has two possible bonds, axial and equatorial. based on the shape of the chair we know which way the axial bond would point (the chair makes a kind of arrow in that direction of the axial bond). The equatorial bond always points the opposite direction to the axial (par example if the axial bond points up then the equatorial would point down). Hence if we know if a bond has to point down, we'd choose whichever bond (axial or equatorial) that is pointing down at that particular carbon.

@muhammadmohtasham2192 2 жыл бұрын

@@SubsequentSauce Thanks, that helped me out!