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:
Nov. 16, 1993
Filed:
Jun. 30, 1989
Applicant:
Inventors:
Hiroshi Kawakami, Yokohama, JP;
Hajime Matsushita, Yokohama, JP;
Hajima Yoshikoshi, Tokyo, JP;
Kazuo Itoh, Tokyo, JP;
Yoshitake Naoi, Tokyo, JP;
Assignees:
Japan Tobacco, Inc., , JP;
Yuki Gosei Kogyo, Co. Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 2711 ; 536 2712 ; 536 2713 ; 536 276 ;
Abstract
2'-deoxy-.beta.-adenosine can be industrially and easily obtained without using expensive or dangerous materials by the process of the present invention, which comprises the steps of: preparing a salt of adenine from adenine, allowing to condense the salt with a derivative of pentofuranose to isolate a derivative of adenine, and then eliminating the protecting groups.