The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 1998
Filed:
Jul. 12, 1996
Applicant:
Inventors:
Mikari Watanabe, Choshi, JP;
Yuichi Yoshimura, Hasaki-machi, JP;
Shinji Sakata, Choshi, JP;
Noriyuki Ashida, Fukushima, JP;
Haruhiko Machida, Choshi, JP;
Assignee:
Yamasa Corporation, Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07H / ; C07H / ; C07H / ;
U.S. Cl.
CPC ...
514 45 ; 514 46 ; 514 47 ; 514 49 ; 514 50 ; 514931 ; 514934 ; 536-41 ; 536 271 ; 536 2713 ; 536 2721 ; 536 276 ; 536 2761 ; 536 2763 ; 536 277 ; 536 2781 ; 536 281 ; 536 285 ; 536 2852 ; 536 2853 ; 536 2854 ; 536 2855 ; 549 30 ; 549 31 ; 549 33 ;
Abstract
The present invention provides a novel purine 4'-thioarabinonucleoside represented by the following formula �1!: ##STR1## wherein B represents a purine base other than adenine. Also disclosed are a method for preparing the purine 4'-thioarabinonucleoside and pharmaceutical compositions containing the purine 4'-thioarabinonucleoside.