Hydrochloric Acid → HCID 67266955, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of diethyl 1-mesityl-1H-pyrrole-2,3-dicarboxylate (3.4 g, 10.3 mmol), hydrazine monohydrate (2.0 ml, 41.3 mmol) and ethanol (20 ml) was heated under reflux for 48 hours. The mixture was acidified by addition of 5N hydrochloric acid and stirred at 80° C. for 20 min. After cooling, the crystals were collected by filtration to give 2.60 g (94%) of the title compound.

Provenance & Evidence