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- W2015757654 abstract "At 95–115°, paraformaldehyde and hydriodic acid completely C-methylate aromatics such as benzene and phenol. Pyrroles are C-methylated similarly, carbethoxy and acetyl groups being lost. In hydriodic acid at 15–45°, typical pyrroles retain these groups and all free positions are C-alkylated, methylated by paraformaldehyde, or otherwise alkylated by the appropriate carbonyl compound. The alkylation of a 2-free- by a 2-formylpyrrole led to a dipyrrylmethane. With pyrroles, hydriodic acid may be replaced by another strong acid and a reducing agent. This was necessary when a β-free pyrrole gave the iodo–alkyl derivative rather than the expected product." @default.
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- W2015757654 date "1968-11-01" @default.
- W2015757654 modified "2023-10-18" @default.
- W2015757654 title "Reductive <i>C</i>-alkylation" @default.
- W2015757654 doi "https://doi.org/10.1139/v68-545" @default.
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