P-TOLUENE SULFONIC ACID SALT OF 5-AMINO-3-(2'-O-ACETYL-3'-DEOXY-Beta-D-RIBOFURANOSYL)-3H-THIAZOLE [4, 5-D] PYRIMIDINE-2-ONE AND METHODS FOR PREPARATION

摘要

Disclosed herein is p-toluene sulfonic acid salt of 5-amino-3-(2'-O-acetyl-3'-deoxy-â-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one, methods for its preparation, compositions comprising said acid salt and uses thereof in the manufacture of a medicament for treating Hepatitis B virus infection, Hepatitis C virus infection, a tumor or cancer in a patient.