Hydroboration - Oxidation Reaction Mechanism
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- čas přidán 26. 04. 2018
- This organic chemistry video tutorial provides a basic introduction into the hydroboration oxidation reaction mechanism of alkenes.
Alkene Reaction - Stereochemistry: • Meso Compounds, Enanti...
Simmons Smith Reaction Test Question:
• Cyclopropane Ring Form...
Syn Vs Anti Addition Test Question:
• Anti Addition vs Syn A...
Alkene Epoxidation Test Question:
• Halohydrin Formation a...
Alkoxymercuration Demercuration Test Question:
• Alkene + Hg(OAc)2 - Al...
Ozonolysis Test Question:
• Oxidative Cleavage of ...
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Stereochemistry R/S Configuration:
• Stereochemistry - R S ...
Optical Activity & Specific Rotation:
• Optical Activity - Spe...
SN1, SN2, E1, E2 Reaction Mechanisms:
• SN2 SN1 E1 E2 Reaction...
SN1, SN2, E1, E2 - Practice Test:
• SN1 SN2 E1 E2 Reaction...
Alkene Reactions Review:
• Alkene Reactions
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Alkyne Reactions Review:
• Alkyne Reactions
Organic Chemistry PDF Worksheets:
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Organic Chemistry 1 Exam 2 Playlist:
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Organic Chemistry 1 Final Exam Review:
• Organic Chemistry 1 Fi...
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You should show ALL O-CHEM professors how to teach !!!! Your the BEST!
That's it, I am switching majors.
did u😅
Felt 💀
@@esmeralda_dietitian_2b499 most probably he didn't
Major???? I'm studying this for school. India is helllll
@@12ataneshimmanuel66*cries in low jee score*
the fact that my professor links your videos as lectures and extra help actually blows my mind..
Literally your detailed explanation satisfies me the most than any other video available on youtube.
I'm usually not one to leave comments on youtube videos but man have you saved my life in orgo! I'm personally thanking you for me being successful in this course. Seriously every topic I've struggled on this guy has a video on and explains it perfectly! get this guy a nobel peace prize. give him a million dollars. You are a service to humanity!! Thank you for these awesome videos and have the happiest of holidays. YOU ROCK!
Thank you so much for this video!! I had no clue how on Earth this hydroboration oxidation thing worked but this explained it really well.
How come the alkyboron groups aren't accounted for in the final product? Why is it that we are only concerned with the OH and H being added?
How would the orientation of the hydrogens and oxygen be on non-cyclic compounds? Because I found those problems confusing where it seems that they are syn addition but not
Seeing the wedges and dashes helped me so much. I understood it was antimark but I was really getting stuck on the stereochemistry bit. Thank you!!
You are an awesome teacher
Thanks for the video Prof J Go....
This is such a senseless reaction
😂This mechanism initially makes me feel it will produce a magic compound. I nearly forget that this just produce a stupid alcohol 😂
Lol
@@shenjiebao2876 😂😂
Lol you're right
this reaction makes me angry in answering
Great video, but the reason the pi bond attacks the boron in the borane molecule is because the boron has an empty p-orbital, not because of the inductive effects or partial charges.
Yet hydrogen has the negative partial
I agree with these comments. I would be lost without you. Seriously. Thank you!
Thank you so much. It was always a drag for me. Now it is clear.
this channel is so underrated!
Thanks bud. It really helps.
1 hour before my exam and I'm here hahaha
You've been my Best friend thru my hardest times. Thank you
He’s my best friend tho. Who is he closer friends with tho?
much respect and thanks
u saved my life
#examinanhour
u bout to fail if u dont finna know this and ur exam is in an hour
@@gartyqam lmfao
@@GamingWimpGW360 yo we go to the same college or somethimg cuz we watched this video at around same week
@@gartyqam okay Sherlock
@@gartyqam You guys are studying these in college, wtf
Nice explatations sir ji I am fan with you sir ji
Thank you so much sir
Please clarify the 2:54. Which one is partially positive? Negative?
I would rather pay my tuition to this guy than my lame professors
A -d i m coming! Motivated
It's very helpful in jee advance entrance exam preparation
*the
Thanks Dude!
I just don't understand how Boron has these R groups at 3:43. Where did they come from?
see the reactant side it has butene that is the R group. don't confuse or assume to yourself that we can only use one mole of the given reactant.
thankyou sooooooo muchhhh
Thanks bro❤
Awesome!
You are a GOD
One thing I'm still confused about is how to decide if BH3 or OH will react with our given hydrocarbon. For the first reaction, I thought it was going to be the BH3 that would react with the alkene carbon chain and was surprised that you reacted with OH instead, and this was also the case with me with the reaction at 10:57. Could you make a video on how to determine which reactant is going to react with our given hydrocarbon? If you already have such a video then could you direct me to it? Thanks!
the alchohol will go to the less substituted carbon according to anti markovnikovs rule
I guess it’s just deciding and knowing when to use anti markovovnikov
What will happen when there is D2O2 instead of h2o2.please tell me .although thanks for your video.
It will become OD instead of OH
Last step was just surprising 😂
Nice
I think there was a mistake I thought anti-Markovknicov added the H group to the less substituted group, the video shows that it's added the more at 11:22 that would be just the normal rule wouldn't it?
king m prince a marks tool
Markovnikovs rule is when the H atom is bounded to the less substituted carbon atom as in hydrohalogenation so when it’s anti markovnikovs rule H is bonded to the more substituted carbon. There is not a mistake what he did is correct. Since the OH for hydroboration and oxidation is on the less substituted carbon atom.
anti-Markovnikov - adds to the most substituted side of the double bond.
Markovnikov - adds to the least substituted side of the double bond.
Shouldn't it be that the hydroxide ion attacks the R carbon with SN2 substitution?
Why use D instead of H on the BD3
Isotope of Hydrogen
Named DEUTERIUM IS USED
Maybe to identify if the hydrogen atom comes from borane?
Why syn addition at 12:20 ?
because they are added on the same side, both of them are wedges.
@@AbdullahAlyasiri so why are they added on the same side? What if I draw them not wedges? Does it matter?
@@chacha9674 No it doesn't matter. Both wedges or both dashes. They just have to have the same stereochemistry.
Doesn't anti-markovnikoff mean that it's added to the more substituted side?
Yes :)
No it means it’s added to the least substituted side
It depends on whether you're talking about -ve or +ve substrate. If it's -ve it will go on more substituted carbon and if it's +ve substrate then it will be added to least substituted one.
@@torpezaincreible8692 most people learn the parent comment way
why do we repeat the first step 3 times ?
nice
???what is the purpose of THF???
oh i see it is a solvent:0
Borane exists as dimer. And it prevents BH3 from dimerising.
Anti markovnikov rule is applied in this video. Simple trick.
great
confusing at 3:36
realy cool reaction
I think this mechanism is incorrect. Up until the addition of -OOH is good. But -OOH should be added 3 times to make BO3R3 according to both my textbook and professor's slides before any leaving of -OR
Mine says the same thing. So confused now but maybe he just forgot to add it in!
@@oliviacasale8941 Same I still don't get it
What's the role of THF?
tetara hydrofuron is like a knife lol
it cuts BH 6 into BH3
Non polar solvent
Boron chemistry is so weird, like its similar to carbon in properties but it acts almost like a proton most of the time- since it can actually make lots of bonds as well, it also can do so much complex catalysis. Wack.
😇👍🏻
👏👏👏
What if both are same degree Carbon?
then it would be symmetric and it would be the same deal if you do with any one of the carbon so no worries
Sir boron has an electronegativity of 2.04 and hydraulic hydrogen has an electronegativity of 2.1 so δ- charge should be on H and not on B
there is so many steps to this reaction, I'm scared
I literally hate chemistry 😩
Wrong mechanism ❌❌
Que?
stop tkaing my girlfreind away from me