Hydrazine hydrate (1:1) → HCID 13505514, compound

Participants

Reaction Steps

To a solution of N-{3-[3-(piperidinomethyl)thiophenoxy}propyl}phthalimide hydrobromide (58.0 g, 0.12 mole) [prepared in Step A] in 1650 mL of 95% ethanol was added hydrazine hydrate (26.9 g, 0.54 mole) and the reaction mixture was heated at 45° for 4.5 hours. The mixture was diluted with 500 mL of ether, filtered and the filtrate evaporated to dryness to give the title compound as an amber oil (14.1 g). An aliquot was distilled to a colorless oil, b.p. 154°-155°/0.15 mm Hg.

Provenance & Evidence