Water → HCID 20373132, compound

Participants

Reaction Steps

A solution of 612 mg of 2-methyl-3-carbethoxy-pyrrole in 10 ml of hydriodic acid, 10 ml of acetic anhydride and 2 ml of hypophosphorous acid was stirred while 0.35 ml of paraldehyde was dropped in. Stirring was contined for 1/2 h and the solution was then poured into water. For analysis, the pale yellow micro crystals which separated (0.45 g, 53%, m.p. 104°-106°) were recrystallized from aqueous ethanol. Anal Calc. for C12H19NO2 : C, 68.86; H, 9.15; N, 6.67. Found: C, 68.73; H, 9.09; N, 6.85.

Provenance & Evidence