QuestionHeterocycles / basicity of azoles and azaindoles
The major products [X] and [Y] formed in the following reactions are
- (a) [X] = 1-methylbenzimidazolium protonated at N-1 (N bearing CH₃); [Y] = pyrrolo-pyridine protonated at the pyrrole N (NH₂⁺)
- (b) [X] = 1-methylbenzimidazolium protonated at N-3; [Y] = pyrrolo-pyridine protonated at the pyridine N (pyrrole NH intact)
- (c) [X] = 1-methylbenzimidazolium protonated at N-1 (N bearing CH₃); [Y] = pyrrolo-pyridine protonated at the pyridine N
- (d) [X] = 1-methylbenzimidazolium protonated at N-3; [Y] = pyrrolo-pyridine protonated at the pyrrole N (NH₂⁺)
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