Patent ID: 6784294
Filing Date: 2004-08-31
Classification: A61P,C07D

Abstract:
A process for making an N1-(2â€²-pyridyl)-1,2-alkanediamine sulfamic acid of formula II comprising reacting a compound of formula I with NH2Râ€²wherein R is selected from the group consisting of C1-C3 alkyl, and Râ€² is H, C1-C6 alkyl, C3-C7 cycloalkyl, C2-C7 acyl, C5-C10 aryl C6-C11 aroyl, (C3-C7)cycloalkyl(C1-C6)alkyl, di-(C3-C7)cycloalkyl-(C1â€”C6)alkyl, (C5-C10)aryl(C1-C6)alkyl, and di-(C5-C10)aryl-(C1-C6)alkyl.