Hydrazine hydrate (1:1) → HCID 57423910, compound

Participants

Reaction Conditions

Reaction Steps

1,1-Dimethylethyl 4-[(5-chloro-2-nitrophenyl)amino]-piperidinecarboxylate D27 (6.3 g) was dissolved in ethanol (100 mL) and Raney nickel (50% aqueous suspension, 5 mL) was added at room temperature; the mixture was heated to 40° C. and hydrazine monohydrate (3.0 mL) was added over 30 min. After 30 min more, the reaction mixture was cooled to room temperature, filtered through Celite and the solvent was evaporated to yield the title compound, 5.8 g.

Provenance & Evidence