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:
May. 22, 2012
Filed:
Jun. 19, 2008
József Bódi, Budapest, HU;
György Visky, Budapest, HU;
János Széles, Budapest, HU;
Sándor Mahó, Budapest, HU;
Csaba Sánta, Budapest, HU;
János Csörgei, Budapest, HU;
Zoltán Tuba, Budapest, HU;
László Terdy, Budapest, HU;
Csaba Molnár, Budapest, HU;
Antal Aranyi, Érd, HU;
Zoltán Horváth, Rácalmás, HU;
Gábor Balogh, Budapest, HU;
József Bódi, Budapest, HU;
György Visky, Budapest, HU;
János Széles, Budapest, HU;
Sándor Mahó, Budapest, HU;
Csaba Sánta, Budapest, HU;
János Csörgei, Budapest, HU;
Zoltán Tuba, Budapest, HU;
László Terdy, Budapest, HU;
Csaba Molnár, Budapest, HU;
Antal Aranyi, Érd, HU;
Zoltán Horváth, Rácalmás, HU;
Gábor Balogh, Budapest, HU;
Richter Gedeon Nyrt., Budapest, HU;
Abstract
The present invention relates to a process for the synthesis of the 17-acetoxy-11β-[4-(dimethylamino)-phenyl]-21-methoxy-19-norpregna-4,9-dien-3,20-dione of formula (I): from 3,3-[1,2-etandiyl-bis(oxy)]-oestr-5(10),9(11)-dien-17-one of formula (II):