Invention Grant
- Patent Title: Industrial process for the synthesis of ulipristal acetate and its 4′-acetyl analogue
-
Application No.: US15024822Application Date: 2014-10-01
-
Publication No.: US09676814B2Publication Date: 2017-06-13
- Inventor: Sándor Mahó , Csaba Sánta , János Csörgei , János Horváth , Antal Aranyi , Zoltán Béni
- Applicant: RICHTER GEDEON NYRT.
- Applicant Address: HU Budapest
- Assignee: RICHTER GEDEON NYRT.
- Current Assignee: RICHTER GEDEON NYRT.
- Current Assignee Address: HU Budapest
- Agency: Sterne, Kessler, Goldstein & Fox P.L.L.C.
- Priority: HU1300566 20131001
- International Application: PCT/IB2014/064979 WO 20141001
- International Announcement: WO2015/049637 WO 20150409
- Main IPC: C07J5/00
- IPC: C07J5/00 ; C07J41/00 ; C07J7/00 ; C07J51/00 ; C07J21/00
Abstract:
The present invention relates to a new process for the synthesis of compounds of formula (I) (wherein the meaning of R is dimethylamino or acetyl group) using the compound of formula (II) (wherein the meaning of R is dimethylamino or 2-methyl-1,3-dioxolan-2-yl group) as starting material, as well as to the intermediate of the process.
Public/Granted literature
- US20160311849A1 Industrial Process for the Synthesis of Ulipristal Acetate and its 4'-Acetyl Analogue Public/Granted day:2016-10-27
Information query
