Invention Grant
- Patent Title: Process for obtaining 17-spirolactones in steroids
- Patent Title (中): 在类固醇中获得17-己内酯的方法
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Application No.: US12816406Application Date: 2010-06-16
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Publication No.: US08524693B2Publication Date: 2013-09-03
- Inventor: Jesús Miguel Iglesias Retuerto , Luis Gerardo Gutiérrez Fuentes , Antonio Lorente Bonde-Larsen
- Applicant: Jesús Miguel Iglesias Retuerto , Luis Gerardo Gutiérrez Fuentes , Antonio Lorente Bonde-Larsen
- Applicant Address: ES Boecillo-Valladolid
- Assignee: Crystal Pharma, S.A.
- Current Assignee: Crystal Pharma, S.A.
- Current Assignee Address: ES Boecillo-Valladolid
- Agency: Moore & Van Allen, PLLC
- Agent Tristan A. Fuierer
- Priority: EP09382096 20090616
- Main IPC: A61K31/58
- IPC: A61K31/58 ; A61K31/585 ; A61K31/56 ; C07J21/00 ; C07J53/00
Abstract:
The invention relates to processes for obtaining steroids with a spirolactone group in position 17, particularly to industrially obtaining 6β,7β; 15β,16β-dimethylene-3-oxo-17α-pregn-4-ene-21,17-carbolactone, commonly known as Drospirenone, as well as to intermediates useful in said process.
Public/Granted literature
- US20110144363A1 PROCESS FOR OBTAINING 17-SPIROLACTONES IN STERIODS Public/Granted day:2011-06-16
Information query
