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. 19, 2012
Filed:
Dec. 11, 2008
Applicant:
Gerald Saischek, Graz, AT;
Inventor:
Gerald Saischek, Graz, AT;
Assignee:
Euticals S.p.A., Lodi, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 473/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of 2-fluoroadenine with a purity of at least 98% (HPLC Area) is presented. Such very high purity degree of at least 98% (HPLC Area) is obtained directly on the crude product after reacting 2,6-diaminopurine in an amount of anhydrous fluorinating agent; heating the resulting reaction mixture; quenching the heated reaction mixture; separating the solid obtained thereby; and washing and separating the solid, without recrystallization and/or any further purification steps.