I
iTeachChem3mo ago
lava

goc

why is -NHCOCH3 o/p directing?
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17 Replies
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iTeachChem
iTeachChem3mo ago
I have a counter q. why is OCH3 o/p directing?
lava
lavaOP3mo ago
due to lone pair on oxygen
Capybaka
Capybaka3mo ago
same reason here nitrogen ka lone pair makes in ortho para directing
lava
lavaOP3mo ago
but in here isnt the lone pair in conjugation with c=o
Capybaka
Capybaka3mo ago
its weaker than methoxy but still saara resonance thori hoga udhar benzene ring mein bhi jaaega cross conjugation hai
lava
lavaOP3mo ago
accha
Capybaka
Capybaka3mo ago
yuh
lava
lavaOP3mo ago
to aisa kya ester group me bhi hota hai? -O-COR
Capybaka
Capybaka3mo ago
interesting lemme see
lava
lavaOP3mo ago
and how do we decide how much of the lone pair is conjugated with benzene and how much with c=o? is it experimental
Capybaka
Capybaka3mo ago
Yes hota hai
lava
lavaOP3mo ago
ohh
Capybaka
Capybaka3mo ago
not calculated benzene ring mein jaata hi hai lonepair its a case of cross conjugation as i said both side resonance hoga kidhar zyada kidhar kam to dikkar wali naat baat*
lava
lavaOP3mo ago
accha ok samajh gya thank you +solved @Capybaka
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