反应详情

2-Methoxycarbonylmethyl-piperidine-1-carboxylic acid tert butyl ester (8.14 g) in ethanol (150 ml) was treated with hydrazine hydrate (19 ml) and the mixture boiled for 16 h. Solvent was removed at reduced pressure and the residue azeotroped with toluene to give the title compound (8.34 g)

1. customSolvent was removed at reduced pressure
2. customthe residue azeotroped with toluene