1-{[(3-Nitro[1,5]naphthyridin-4-yl)amino]methyl}cyclohexanol → 1-{[(3-Amino[1,5]naphthyridin-4-yl)amino]methyl}cyclohexanol

Participants

Reaction Steps

A mixture of 1-{[(3-nitro[1,5]naphthyridin-4-yl)amino]methyl}cyclohexanol (4.55 g, 15.1 mmol) and 5% platinum on carbon (0.50 g) in acetonitrile (100 mL) was hydrogenated at 50 psi (3.5×105 Pa) overnight on a Parr apparatus. The reaction mixture was filtered through CELITE filter agent, which was rinsed with methanol afterwards. The filtrate was concentrated to give 1-{[(3-amino[1,5]naphthyridin-4-yl)amino]methyl}cyclohexanol. The 1-{[(3-amino[1,5]naphthyridin-4-yl)amino]methyl}cyclohexanol was concentrated from chloroform several times to remove residual methanol and was used directly onto the next step.

Provenance & Evidence