Réaction #744160

ord-5e0ea18b1ca34e2795f2d64e48c3c8ce

Conditions de réaction

Conditions détaillées
See reaction.notes.procedure_details.

Traitement

  1. 1
    Autrethe solvents were removed under reduced pressure
  2. 2
    Autrethe residue was dried under reduced pressure overnight

Mode opératoire

1,1-dimethylethyl ((3R,4S)-3-hydroxy-1-{2-[7-(methyloxy)-2-oxo-1,5-naphthyridin-1 (2H)-yl]ethyl}-4-piperidinyl)carbamate (258 mg, 0.6165 mmol) was dissolved in DCM (10 mL) and the solution was treated with 4M hydrogen chloride in 1,4-dioxane (2 ml). Effervescence and formation of a precipitate was observed. After 2 h, the solvents were removed under reduced pressure and the residue was dried under reduced pressure overnight, to give the title compound as a pale pink solid (223 mg).

Source

DOI: 10.6084/m9.figshare.5104873.v1Brevet: US08071592B2uspto-grants-2011_12