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. 08, 1994
Filed:
Apr. 25, 1991
Istvan Hermecz, Budapest, HU;
Geza Kereszturi, Budapest, HU;
Lelle Vasvari nee Debreczy, Budapest, HU;
Agnes Horvath, Budapest, HU;
Maria Balogh, Dunakeszi, HU;
Gabor Kovacs, Budapest, HU;
Tamas Szuts, Budapest, HU;
Peter Ritli, Budapest, HU;
Judit Sipos, Budapest, HU;
Aniko Pajor, Budapest, HU;
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt., Budapest, HU;
Abstract
A method of using a compound of the Formula (V) ##STR1## or a pharmaceutically acceptable salt thereof is disclosed, wherein R.sup.1 and R.sup.2 are each C.sub.1 to C.sub.6 aliphatic acyloxy, unsubstituted or substituted by halogen, or are each C.sub.7 to C.sub.11 aromatic acyloxy, for preventing amination of the 6-position when a compound of the Formula (I) ##STR2## or a pharmaceutically acceptable salt thereof is to be formed, which comprises the steps of: