Acetic Acid → HCID 67227387, compound

Participants

Reaction Steps

To ethyl 7-cyano-8-oxo-5,6,7,8-tetrahydroindolizine-2-carboxylate (12 g, 52 mmol) in ethanol a solution of hydrazine monohydrate (6.5 g, 130 mmol) and acetic acid (9 g, 150 mmol) was added. The reaction was refluxed for 62 hours and concentrated under reduced pressure. The residue was dissolved in ethyl acetate and washed with water and NH3. The organic phase was dried on Na2SO4. 10 g of a pale yellow solid were obtained (yield 78%).

Provenance & Evidence