Methyl iodide → HCID 20438525, compound

Participants

Reaction Steps

2.08 g. of ethyl 4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-3-carboxylate are dissolved in 5 ml. of acetone and to the solution 2.5 ml. of methyl iodide are added. After 24 hours the precipitated crystals are filtered and washed with acetone. 2.61 g. (74%) of 3-ethoxycarbonyl-1-methyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidinium iodide are obtained melting under decomposition at 212° C.

Provenance & Evidence