Meta Directing Electron Withdrawing Deactivators in EAS vid 12 by Leah Fisch
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- Опубліковано 20 сер 2024
- leah4sci.com/EAS Presents: The logic behind meta directing groups as deactivators for substituted electrophilic aromatic substitution.
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Video 12 of my EAS series helps you understand the nature of deactivating groups as meta directors through through logic and structure to help you avoid memorization.
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This is one of the best explanations of activators and deactivators I have ever seen. Thank you so much!
You're very welcome!
why is this video sooooo helpful. thank you so much Leah.
Glad it was helpful!
This was quite helpful. Im doin my end semester exam in medical chemistry next week.
Thank You Leah for asking!!! I got a 4 GPA out of 5 it went great. Thank you loads.. keep up the good work
WOOHOO that's fantastic to hear!
thank you so much, ma'am leah! great explanations, easily-understandable
You are most welcome :)
thank u so much u're saving my future I wached many videos and couldn't understand it except here
😙😚
So happy to help!
its been a long time but thank you so much i get it now
I'm happy to hear that my video is still helpful
"...less in-your-face type reaction...."😂
Give them human characteristics and you're more likely to remember
thanks lea this is so cool i understand it so well. please make more soon thank you
Good to know that! Definitely more videos! Please stay tuned and make sure to subscribe.
Thans lea really appreciate your work it helps a lit
Lot*
You are welcome!
Thanks a lot Leah!
You're welcome!
great explanation thanks!
You're welcome!
Awesome mam
Thank you!
You’re the best!!
Thanks :)
Thank you very much
You're very welcome!
Please explain why phenyl cation is not stable by resonance?? Since resonance structures are possible
First to confirm, you mean a benzyl carbocation which is a 'phenyl group' with a carbocation on the benezene's methyl substituent? If yes, it is indeed a stable carbocation due to having a total of 4 resonance structures
How to compare between the deactivators
What specifically is your question?
Tq so much mam
You're very much welcome :)
if it's meta deactivating then why isn't it in the meta position? I don't get it
at which point in the video?
Wow u are great
Thanks!
which one is an activator and which is deactivator.....how do i know them??
If the substitute specie has electron donating nature(negative or partialy negative) the its an activator and vise versae!!
I cover that in detail in my activating and deactivating group videos here: leah4sci.com/eas
nice madam
Thanks a lot!
nh3 is activator ??
mina pasha yup cause it has a lone pair which will be donated during activation
Since NH3 as a substituent has a positive charge, it is an electron withdrawing group EWG and makes the ring less likely to want to adopt a positive sigma complex. This makes it a deactivator
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