Provided is a process for increasing the 22R/22S epidemic ratio of ciclesonide.
提供了一种增加环索尼特的22R/22S流行比率的过程。
Crystalline forms of ciclesonide
申请人:Rossetto Pierluigi
公开号:US20070232578A1
公开(公告)日:2007-10-04
The invention encompasses a crystalline form of ciclesonide characterized by an XRD pattern having peaks at about 11.0, 14.8, 15.7, 16.5, and 22.8 degrees two-theta±0.2 degrees two-theta, methods of its preparation and pharmaceutical compositions thereof.
[EN] PROCESS FOR THE PRODUCTION OF 16,17-[(CYCLOHEXYLMETHYLEN)BIS(OXY)]-11,21-DIHYDROXY-PREGNA-1,4-DIEN-3,20-DION OR ITS 21-ISOBUTYRAT BY TRANSKETALISATION<br/>[FR] PROCEDE DE PRODUCTION DU 16,17-[(CYCLOHEXYLMETHYLENE)BIS(OXY)]-11,21-DIHYDROXY-PREGNA-1,4-DIENE-3,20-DIOE OU SON 21-ISOBUTYRATE PAR TRANSCETALISATION
申请人:BYK GULDEN LOMBERG CHEM FAB
公开号:WO2002038584A1
公开(公告)日:2002-05-16
The invention relates to a process for the preparation of 16,17-[(cyclohexylmethylene)bis(oxy)]-11,21-dihydroxypregna-1,4-diene-3,20-dione[11β,16α(R)] and similar compounds, by reaction of an appropri-ate 16,17-ketal with cyclohexanealdehyde.
Process for the production of 16,17-[(cyclohexylmethylen)bis(oxy)]-11,21-dihydroxy-pregna-1,4-dien-3,20-dion or its 21-isobutyrat by transketalisation
申请人:Nycomed GmbH
公开号:US07468433B2
公开(公告)日:2008-12-23
The invention relates to a process for the preparation of 16,17-[(cyclohexylmethylene)bis(oxy)]-11,21-dihydroxypregna-1,4-diene-3,20-dione[11β,16α(R)] and similar compounds, by reaction of an appropriate 16,17-ketal with cyclohexanealdehyde.