Ch23 Aromaticity and Resonance

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last bit of ch23

Last updated 3:14 AM on 6/4/26
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5 Terms

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e donor group

add e density to benzene ring, so make it more basic

<p>add e density to benzene ring, so make it more basic</p>
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e withdrawing groups

remove e density from ring, so make it less basic

<p>remove e density from ring, so make it less basic</p>
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Amine vs Amide basicity

  • amines are more basic than amides

  • a) because electron pair is localized on N so stronger base

  • b) electron pair on N is delocalized on O by resonance

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Factors of Basicity

**if atom has lone pair and it can’t be delocalized, then it is more basic and conj acid is less acidic

**sp3 is more basic (less acidic) than sp2

<p>**if atom has lone pair and it can’t be delocalized, then it is more basic and conj acid is less acidic</p><p>**sp3 is more basic (less acidic) than sp2</p>
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Amine RXN’S at carbonyl

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