abstract |
Disclosed are : a method for preparing a 5-chloro-N-({(5S)-2-oxo-3-[4-(5,6-dihydro-4H-[1,2,4]triazin-1-yl)phenyl]-1,3-oxazolidin-5-yl}-methyl)thiophen-2-carboxamide derivative, which is a inhibitor of blood coagulation factor Xa, in a high purity and yield; and a novel intermedicate used therein. |