Nucleophilic Aromatic Substitution
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- เผยแพร่เมื่อ 11 ก.ค. 2019
- We've learned all about Electrophilic Aromatic Substitution, but we can do another thing with benzene derivatives. We can do Nucleophilic Aromatic Substitution. This is where benzene is attacked by a nucleophile. It sounds strange, but check it out!
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In 8:11 it will also depend on the relative strength that -I or -M which effect is more stronger
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i want a document sammary the types of reactions
substitution /addition/elimintation
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why is there a negative charge this time? is it because Nu carries electrons with it... or does it come from the double bond that pushes onto that carbon?
comes from the nucleophile and then pushed through by rearrangement of pi bonds
That first example made for some nice cine!
Great sir
at 5.13 isn't there supposed to be a double bond between the Carbon and the Nitrogen on the resonance structure he drew? It seems like it's missing an electron pair?
yes that's my bad! i inserted a visual note towards the beginning of the video, hoping that would be enough to fix the error.
this is kind of late but did you forget the pi bond on the resonance structure at the bottom of the first page or will there be no pi bond at all between the carbon and the nitrogen? bcs I noticed that you did actually put a positive charge on the nitrogen
i think this is the one where i forgot a pi bond and put a note at the beginning of the video on screen to say as much
@@ProfessorDaveExplains right... I missed the disclaimer at the start of the video my mistake. Thank you!
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I believe you could have classified those two different mechanisms of Aromatic Nucleophilic Subs as ( ADDITION-ELIMINATION) and ( ELIMINATION-ADDITION)
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First 😋
You should explain principles first. You should show your drawings big and clear. It looks like you talk to yourself or to somebody who knows it anyway.
Uh, what? Which principles?
@@ProfessorDaveExplains Ok, maybe it is an advanced course. I didn't get it anyway. It was too fast and confusing for me.
You should probably start from earlier in the organic chemistry playlist.