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

摘要

The present disclosure relates to p-toluene sulfonic acid salt of 5-amino-3-(2'-O-acetyl-3'-deoxy-beta-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and to its use in treating conditions such as viral infections, tumors, and cancer. Also disclosed is a method of preparing the p-toluene sulfonic acid salt of 5-amino-3-(2'-O-acetyl-3'-deoxy-ß-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and methods for producing furanose compounds which are useful intermediates in the preparation of pharmaceutical compounds such as p-toluene sulfonic acid salt of 5-amino-3-(2'-O-acetyl-3'-deoxy-ß-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and the like.