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:
Sep. 17, 1985
Filed:
Dec. 07, 1983
Takao Takahara, Osaka, JP;
Yorisato Hisanaga, Osaka, JP;
Daikin Kogyo Co., Ltd., Osaka, JP;
Abstract
A fluorine-containing uridine derivative of the formula: ##STR1## wherein R is lower acyl, fluorine-containing lower acyl or fluorine-containing lower alkyl; and X is hydrogen or hydroxyl, which is prepared by a process which comprises fluorinating 2', 3'-O-isopropylideneuridine with fluorine in a solvent selected from the group consisting of lower carboxylic acids, fluorine-containing lower carboxylic acids and fluorine-containing lower alcohols, and is converted to a 5-fluorouridine derivative of the formula: ##STR2## wherein R and X are as defined above by reacting the fluorine-containing uridine derivative of the formula (I) with a base in an organic solvent at a temperature of 0.degree. to 80.degree. C.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile