P-toluene sulfonic acid salt of...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai

Reexamination Certificate

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C536S027200

Reexamination Certificate

active

07928085

ABSTRACT:
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-β-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-β-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and the like.

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International Preliminary Report on Patentability for International Application No. PCT/US2007/081526 Dated Apr. 22, 2009.

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