PROCESS FOR THE PREPARATION OF STEROIDAL CARBOTHIOIC ACID DERIVATIVES AND INTERMEDIATES
Application 2890/CHENP/2005 published 2007-04-06, filed 2005-11-03
A method for the conversion of steroidal 17&bgr;-carboxylic acids to c carbothioic acid and esters thereof such as fluticasone propionate.
Applicant
1)ALPHARMA APS
: 11 Dalslandsgade, DK-2300 Copenhagen S. Denmark
Inventor
1)LOEVLI, Trond 2)NYGAARD, Anne-Mette 3)REITSTOEN, Bjoern 4)FIVELSTAD, Magny No of Pages : 35 No of Claims : 20
International Info
Classification: C07J 3/00
Publication Number: WO/2004/087731
Application Date: 2004-04-02
Priority Information
03007756.4 EUROPEAN UNION 2003-04-04