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:
Jun. 25, 1991
Filed:
Dec. 07, 1989
Tohru Ueda, Sapporo, JP;
Takuma Sasaki, Kanazawa, JP;
Akira Matsuda, Sapporo, JP;
Takanori Miyashita, Choshi, JP;
Shinji Sakata, Choshi, JP;
Keiji Yamagami, Baltimore, MD (US);
Akihiro Fujii, Kiyose, JP;
Yamasa Shoyu Co., Ltd., Chiba, JP;
Yoshitomi Pharmaceutical Industries, Ltd., Osaka, JP;
Abstract
Pyrimidine 2'-deoxy-2'-methylidene nucleoside compounds: ##STR1## wherein R.sup.1 represents amino, hydroxy, silylamino, silyloxy, acylamino or acyloxy; R.sup.2 represents hydrogen, halogen, a lower alkyl, a lower alkenyl, a lower alkynyl or haloalkyl; R.sup.3 and R.sup.4 represent the same or different hydrogen, silyl, acyl or aminoacyl, or a pharmaceutically acceptable salt or hydrate thereof, except that R.sup.1 is amino or hydroxy, and both of R.sup.3 and R.sup.4 are hydrogen. Said compounds possess excellent antitumor and antiviral activities, thus providing novel anticancer and antiviral agent.