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:
Feb. 01, 1994
Filed:
Dec. 09, 1991
Seiichi Saito, Kashiwa, JP;
Akira Masuda, Yono, JP;
Masayuki Kitagawa, Urawa, JP;
Nobuyoshi Shimada, Tokyo, JP;
Jun-ichi Seki, Takasaki, JP;
Hiroo Hoshino, Maebashi, JP;
Yukihiro Nishiyama, Aichi, JP;
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Abstract
It was found that 2-halogeno-oxetanocin A and 4'-phosphate thereof represented by the following general formula (1): ##STR1## wherein X represents a halogen atom and R represents a hydrogen atom or a phosphoric acid residue ##STR2## or salts thereof exhibit a strong antiviral activity and are useful as an active ingredient of therapeutic drug for viral diseases. Further, it was also found that the compounds of this invention are characterized in that they are not inactivated by adenosine deaminase widely present in living bodies and exhibit a high residual activity.