Knowledge Center
Patent / Jan 01, 2012
Method for the production of fluoromethyl - esters of androstan- 17 - beta - carboxylic acids
Source:
WO 2012160338
The present invention relates to a method of prepg. an org. biol. active compd. of formula (I), wherein R1, R2, R3, R4,. X1, X2 and X3 are as defined in the specification, to certain novel intermediates obtainable from such a method and their use.
Also in the Knowledge Center
/ Jan 01, 2006
Process for preparation of fluticasone analogs via esterification of a carbothioic acid
Read more
Scientific Article
/ Jan 01, 2002
Process for the preparation of flumethasone and its 17-carboxyl-androstene analog
Read more
Scientific Article
/ Jan 01, 2002
Crystallization process for the preparation of crystalline and solvent-free iohexol
Read more
Scientific Article