Patent ID: 7214799

Claim:
A method for preparing pyridoxamine, or salt thereof, the method comprising the steps of: (a) protecting the hydroxyls of a compound of formula (II), or salt thereof, to form a compound of formula (III), or salt thereof: wherein R at each occurrence is a hydroxyl protecting group; (b) treating the compound of formula (III), or salt thereof, with an imide to form a compound of formula (IV), or salt thereof: wherein represents a cyclic imide substituent; (c) treating the compound of formula (IV), or salt thereof, with a first deprotecting agent to form a compound of formula (V) wherein R1 is H or is R, wherein when R1 is R, step (c) is followed by (d), wherein step (d) comprises: (d) treating the compound of formula (V), or salt thereof, with a second deprotecting agent to form a compound of formula (I), or a salt thereof: