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. 26, 1990
Filed:
Nov. 08, 1988
Colin B Reese, London, GB;
Efamol Holdings P.L.C., , GB;
Abstract
A process for the production of a 5-substituted derivative of a 2,3'-anhydro-2'-deoxyuridine preferably corresponding to the following general formula: ##STR1## wherein R.sup.1 represents H, alkyl, aryl, halogeno or CF.sub.3 ; characterized in that it comprises heating a 5-substituted derivative of a 2'-deoxyuridine preferably corresponding to the following general formula: ##STR2## wherein R.sup.1 is as defined above; in the presence of a sulphite transfer reagent and preferably a solvent is disclosed. This process improves the production of valuable intermediates and hence facilitates and reduces the cost of production of pharmacologically-interesting compounds.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile