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If pyrrole is protonated in the presence of a strong acid, why does protonation occur at second carbon (C2) ? What is the mechanism?
Asked by sumayiah2000 | 24 Apr, 2019, 12:06: PM
answered-by-expert Expert Answer
I f space w e space d r a w space t h e space r e s o n a t i n g space s t r u c t u r e s space o f space P y r r o l e space w e space f i n d space t h a t space minus v e space c h a r g e space d e v e l o p s space o n space 3 r d space left parenthesis C 2 right parenthesis space a n d space 5 t h space left parenthesis C 4 right parenthesis p o s i t i o n s space t h u s space p r o t o n a t i o n space o c c u r s space f i r s t space a t space 3 r d space p o s i t i o n space a n d space t h e n space o n space 5 t h space p o s i t i o n. R e f e r space I m a g e minus
 
Answered by Sumit Chakrapani | 24 Apr, 2019, 23:45: PM

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