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. 19, 1980
Filed:
Dec. 05, 1973
Karola Jovanovics, Budapest, HU;
Kalman Szasz, Budapest, HU;
Bela Kellner, Budapest, HU;
Laszlo Nemeth, Budapest, HU;
Zsuzsa Relle, Budapest, HU;
Emil Bittner, Budapest, HU;
Eszter Dezseri, Budapest, HU;
Janos Eles, Budapest, HU;
Richter Gedeon Vegyeszeti Gyar Rt, Budapest, HU;
Abstract
Leurosine derivatives of the formula (I), ##STR1## wherein R is hydrogen or formyl, or pharmaceutically acceptable acid addition salts thereof were prepared by oxidizing leurosine or an acid addition salt thereof, optionally formylating the thus-obtained product and then separating, and, if desired, converting any of the free bases into its acid addition salt. The new compounds of the invention possess strong cytostatic activity, and can be used in the human therapy with great advantage.