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Title:
ENZYMATIC PROCESS FOR OBTAINING 17α-MONOESTERS OF CORTEXOLONE AND/OR ITS 9,11-DEHYDRO DERIVATIVES
Document Type and Number:
Japanese Patent JP2016014045
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an enzymatic process for obtaining 17α-monoesters of cortexolone and/or its 9,11-dehydro derivatives.SOLUTION: The present invention refers to an enzymatic process for obtaining 17α-monoesters of cortexolone and/or its 9,11-dehydro derivatives starting from the corresponding 17α,21-diesters which comprises an enzymatic alcoholysis reaction. Further, the present invention refers to crystalline forms of cortexolone 17α-propionate and 9,11-dehydro-cortexolone 17α-butanoate.

Inventors:
AJANI MAURO
MORO LUIGI
Application Number:
JP2015185882A
Publication Date:
January 28, 2016
Filing Date:
September 18, 2015
Export Citation:
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Assignee:
CASSIOPEA SPA
International Classes:
C07J5/00; A61K31/573; A61P13/08; A61P15/00; A61P17/00; A61P17/08; A61P17/10; A61P17/14; A61P25/00; A61P35/00
Domestic Patent References:
JPS5210489A1977-01-26
JP2005539016A2005-12-22
JP2004530703A2004-10-07
JP2013163683A2013-08-22
Foreign References:
US3431173A1969-03-04
Other References:
ARZNEIMITTEL FORSCHUNG DRUG RESEARCH, vol. 54, no. 12, JPN6013005062, 2004, pages 881 - 886
JOURNAL OF MOLECULAR CATALYSIS, vol. Vol.29, JPN6013005064, 2004, pages 149 - 153
HELVETICA CHIMICA ACTA, vol. Vol.79, JPN6013005066, 1996, pages 999 - 1004
TETRAHEDRON LETTERS, vol. Vol.39, JPN6013005069, 1998, pages 8345 - 8348
TOPICS IN CURRENT CHEMISTRY, vol. Vol.198, JPN6014035813, 1998, pages 163 - 208
PHARMACEUTICAL RESEARCH, vol. 12, no. 7, JPN6014035815, 1995, pages 945 - 954
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office