Brominating the Allylic Position with NBS

joechem.io/videos/190 for video on jOeCHEM and attached worksheet + solution (below video on jOeCHEM aka the link).
Worksheet: worksheets.joechem.io/workshee...
Worksheet Solution: worksheets.joechem.io/workshee...
Worksheet Solution Walkthrough: joechem.io/videos/wksht-soln-...
Study Guide: (To be created, but Joe's working on it!)
In this video, we discuss why the Free Radical Halogenation reaction comes up short (and doesn't work) in terms of halogenating an allylic carbon. Instead, we talk about how to leverage NBS (N-bromo succinimide) in order to brominate the allylic position, opening up a world of possibilities.
Related videos:
joechem.io/videos/15 - Free Radical Halogenation - Part 1 - The Mechanism
joechem.io/videos/61 - Halogenation of a Double Bond with Bromine and Chlorine
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Пікірлер: 16

  • @Badgerbahalwan
    @Badgerbahalwan3 жыл бұрын

    Oh dam, homie came in with the 1,2 Floyd Mayweather & the KO Anderson silva kick combo 😂

  • @ahlammohammed200
    @ahlammohammed2002 жыл бұрын

    Thank you so much you're nearly the only one on KZread who explained that reaction that well ~

  • @l7okomabenzema571
    @l7okomabenzema571 Жыл бұрын

    you are amazing my teacher to explain that mechanism ;he wrote a paper and i didn't understand it but you understood it easily i hope to get a good point in organic thanks joo from morocco 🤩

  • @theyoten1613
    @theyoten16133 жыл бұрын

    Yours is like the only video on this reaction I could find so thank you and papa bless.

  • @laurenmunn5739
    @laurenmunn57393 жыл бұрын

    This was really clear! Thanks so much!!

  • @douglasarcher58
    @douglasarcher583 жыл бұрын

    Love all your energy 😊! Keep up the great work 🌟

  • @jOeCHEM

    @jOeCHEM

    3 жыл бұрын

    Thanks, Douglas, for watching and the kind words 🤓. Make sure to check out joechem.io for FREE (yep, that's right) worksheets + solutions to go along with each video.

  • @senny-
    @senny-2 ай бұрын

    Thank you!

  • @alexisjones419
    @alexisjones4193 жыл бұрын

    awesome video!

  • @reungkhongeya7244
    @reungkhongeya72443 жыл бұрын

    Love how you teach . Thank you

  • @jOeCHEM

    @jOeCHEM

    3 жыл бұрын

    Thank you so much, for watching and the kind words!

  • @ademcavus
    @ademcavus2 жыл бұрын

    Thanks a lot :)

  • @techboyzeeshan8582
    @techboyzeeshan85823 жыл бұрын

    U explained really well !! But I have a question, What exactly hinders the production of bromine molecules when we use NBS?

  • @jOeCHEM

    @jOeCHEM

    3 жыл бұрын

    Hi tech boy Zeeshan! I'm not sure what you mean--NBS is our source of Br2, and the equilibrium established with NBS (and something like HBr) only creates a little bit of Br2. And that's a good thing, because with too much Br2, we end up doing the halogen addition across the double bond (the alkene reaction). However, with such a small source of Br2, it has a better chance to undergo homolytic cleavage and thus becoming a bromine radical.

  • @Grak70

    @Grak70

    Жыл бұрын

    This is actually a problem with NBS: it DOES slowly produce Br2 over time. Non-fresh NBS usually needs to be recrystallized before use for this reason.

  • @Technovore88
    @Technovore88 Жыл бұрын

    Thank you!