WO2005044759A3 - Acetalization process for preparation of steroid compounds - Google Patents
Acetalization process for preparation of steroid compounds Download PDFInfo
- Publication number
- WO2005044759A3 WO2005044759A3 PCT/IN2004/000239 IN2004000239W WO2005044759A3 WO 2005044759 A3 WO2005044759 A3 WO 2005044759A3 IN 2004000239 W IN2004000239 W IN 2004000239W WO 2005044759 A3 WO2005044759 A3 WO 2005044759A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- preparation
- steroid compounds
- acetalization process
- acetalization
- compounds
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
Abstract
The present invention provides acetalization process for preparation of 16,17-acetals of pregnane derivatives from corresponding 16,17-dihydroxy compounds in phosphoric acid.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN810MU2003 | 2003-08-14 | ||
IN810/MUM/2003 | 2003-08-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005044759A2 WO2005044759A2 (en) | 2005-05-19 |
WO2005044759A3 true WO2005044759A3 (en) | 2005-08-11 |
Family
ID=34566871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IN2004/000239 WO2005044759A2 (en) | 2003-08-14 | 2004-08-10 | Acetalization process for preparation of steroid compounds |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2005044759A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009069032A2 (en) | 2007-11-30 | 2009-06-04 | Pfizer Limited | Novel glucocorticoid receptor agonists |
US20090240049A1 (en) * | 2008-03-18 | 2009-09-24 | Marco Villa | Purification of air sensitive steroids |
CN101717428B (en) * | 2009-12-15 | 2012-11-21 | 浙江工业大学 | Method for synthesizing budesonide |
US9109005B2 (en) | 2012-02-23 | 2015-08-18 | Boehringer Ingelheim International Gmbh | Method for manufacturing of ciclesonide |
CN103275168B (en) * | 2013-05-27 | 2015-12-02 | 浙江仙琚制药股份有限公司 | A kind of preparation method of budesonide |
RU2745748C2 (en) | 2016-06-02 | 2021-03-31 | Эббви Инк. | Agonist of the glucocorticoid receptor and its immunoconjugates |
MA49796A (en) | 2017-12-01 | 2020-06-03 | Abbvie Inc | GLUCOCORTICOID RECEPTOR AND IMMUNOCONJUGATE AGONIST |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL109983B1 (en) * | 1976-06-10 | 1980-06-30 | Inst Przemyslu Farmaceutic | Method of producing 6-alpha-fluoro-16 alpha,17 alpha-isopropylidenodioxy-21 hydroxy-4-pregnen-3,20-dione |
US5750734A (en) * | 1994-11-26 | 1998-05-12 | Rhone-Poulenc Rorer Limited | Process for the preparation of steroid derivatives |
-
2004
- 2004-08-10 WO PCT/IN2004/000239 patent/WO2005044759A2/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL109983B1 (en) * | 1976-06-10 | 1980-06-30 | Inst Przemyslu Farmaceutic | Method of producing 6-alpha-fluoro-16 alpha,17 alpha-isopropylidenodioxy-21 hydroxy-4-pregnen-3,20-dione |
US5750734A (en) * | 1994-11-26 | 1998-05-12 | Rhone-Poulenc Rorer Limited | Process for the preparation of steroid derivatives |
Non-Patent Citations (2)
Title |
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DATABASE CASREACT [online] VIJAYKUMAR DANGE ET AL: "An Efficient Route for the Preparation of a 21-Fluoro Progestin-16a-17a-Dioyolane, a High-Affinity Ligand for PET Imaging of the Progesterone Receptor.", accession no. STN Database accession no. (137:155098) * |
JOURNAL OF ORGANIC CHEMISTRY., vol. 67, no. 14, 2002, pages 4904 - 4910 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005044759A2 (en) | 2005-05-19 |
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