Hydrazine hydrate (1:1) → HCID 13072060, compound

Participants

Reaction Steps

13.0 gm (0.0486 mol) of ethyl 5,6,7,8-tetrahydro-6-propyl-4H-thieno[2,3-d]azepine-2-carboxylate were dissolved in 15 ml of absolute ethyl alcohol, and the solution was refluxed for 3 hours with 14 ml (0.23 mol) of 80% hydrazine hydrate. After cooling, the mixture was concentrated by evaporation in vacuo, and the residue was recrystallized from isopropyl alcohol.

Provenance & Evidence