FR2074633A1 - Prepn of 9 alpha - 11 beta dichloro - steroids - Google Patents
Prepn of 9 alpha - 11 beta dichloro - steroidsInfo
- Publication number
- FR2074633A1 FR2074633A1 FR7001104A FR7001104A FR2074633A1 FR 2074633 A1 FR2074633 A1 FR 2074633A1 FR 7001104 A FR7001104 A FR 7001104A FR 7001104 A FR7001104 A FR 7001104A FR 2074633 A1 FR2074633 A1 FR 2074633A1
- Authority
- FR
- France
- Prior art keywords
- alpha
- prepn
- steroids
- dichloro
- beta
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- C07J75/00—Processes for the preparation of steroids in general
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
Abstract
9 alpha-11B-dichlorosteroids are prepd. by reacting a 9 alpha-unsubstd. 11B-hydroxysteroid with SOCl2 and Cl2, pref. in an inert solvent in the presence of tertiary amine at -10 degrees to +30 degrees C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7001104A FR2074633A1 (en) | 1970-01-13 | 1970-01-13 | Prepn of 9 alpha - 11 beta dichloro - steroids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7001104A FR2074633A1 (en) | 1970-01-13 | 1970-01-13 | Prepn of 9 alpha - 11 beta dichloro - steroids |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2074633A1 true FR2074633A1 (en) | 1971-10-08 |
FR2074633B1 FR2074633B1 (en) | 1973-01-12 |
Family
ID=9048953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7001104A Granted FR2074633A1 (en) | 1970-01-13 | 1970-01-13 | Prepn of 9 alpha - 11 beta dichloro - steroids |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2074633A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2894963A (en) * | 1958-06-20 | 1959-07-14 | Scherico Ltd | 9,11-dihalogeno-4-pregnenes and 1,4-pregnadienes |
US3201391A (en) * | 1959-02-18 | 1965-08-17 | Syntex Corp | 6alpha, 9alpha, 11beta-trichloro and 6alpha-fluoro-9alpha, 11beta-dichloro pregnenes |
-
1970
- 1970-01-13 FR FR7001104A patent/FR2074633A1/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2894963A (en) * | 1958-06-20 | 1959-07-14 | Scherico Ltd | 9,11-dihalogeno-4-pregnenes and 1,4-pregnadienes |
US3201391A (en) * | 1959-02-18 | 1965-08-17 | Syntex Corp | 6alpha, 9alpha, 11beta-trichloro and 6alpha-fluoro-9alpha, 11beta-dichloro pregnenes |
Also Published As
Publication number | Publication date |
---|---|
FR2074633B1 (en) | 1973-01-12 |
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