Phenylmethyl [((3S,4S)-4-hydroxy-1-{2-[7-(methyloxy)-2-oxo-1,5-naphthyridin-1(2H)-yl]ethyl}-3-pyrrolidinyl)methyl]carbamate → 1-{2-[(3S,4S)-3-(Aminomethyl)-4-hydroxy-1-pyrrolidinyl]ethyl}-7-(methyloxy)-1,5-naphthyridin-2(1H)-one

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Reaction Steps

To a solution of phenylmethyl [((3S,4S)-4-hydroxy-1-{2-[7-(methyloxy)-2-oxo-1,5-naphthyridin-1(2H)-yl]ethyl}-3-pyrrolidinyl)methyl]carbamate (0.90 g, 1.99 mmol) in MeOH (30 mL) was added catalytic 10% Palladium on carbon (0.20 g) and the resulting solution subjected to H2 at 50 PSI on a Parr shaker. The solution was filtered through a pad of Celite® and concentrated under reduced pressure to give the product (0.571 g, 90%).

Provenance & Evidence