Methyl iodide → 4-bromo-1-methyl-1H-pyrrole-2-carbaldehyde

HRID 1857883Notes

Reaction equation

[Br:1][C:2]1[CH:3]=[C:4]([CH:7]=[O:8])[NH:5][CH:6]=1.I[CH3:10]>>[CH3:10][N:5]1[CH:6]=[C:2]([Br:1])[CH:3]=[C:4]1[CH:7]=[O:8]

Participants

Reactant 2

HCID 6328Methyl iodide

HCID 5996274-Bromo-1H-pyrrole-2-carbaldehyde

Product 1

HCID 121967014-bromo-1-methyl-1H-pyrrole-2-carbaldehydeYield 53.2%

Procedure

In a similar manner to Example 10(b), by reaction of 4 g (23 mmol) of 4-bromo-2-pyrrolecarboxaldehyde with 1.7 ml (27.6 mmol) of iodomethane, 2.3 g (50%) of the expected product are obtained, with a melting point of 123-4° C.

Sources & evidence

ORD record: ord-9ee217683ad440a9af99012fab5e6718
Source dataset: uspto-grants-2000_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06147255

Reaction notes

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