Reaktion #63217

ord-7a62725e4a4645b9b99a8ab2d75c13bc

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Sonstigewas recrystallized from methanol/ether

Vorschrift

14.6 g of t-butyl [2-(3-methyl-4-nitropyridine-2-carboxamido)ethyl]carbamate were reacted with trifluoroacetic acid in an analogous manner to that described in Example 2, paragraph 2. The residue was converted into the hydrochloride which was recrystallized from methanol/ether, whereby there was obtained N-(2-aminoethyl)-3-methyl-4-nitropyridine-2-carboxamide hydrochloride as white crystals, m.p. 204°-205°.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US04764522uspto-grants-1988_08