CH471828A - Process for the preparation of new 1,2a-methylene-5a-androstane derivatives - Google Patents
Process for the preparation of new 1,2a-methylene-5a-androstane derivativesInfo
- Publication number
- CH471828A CH471828A CH445065A CH445065A CH471828A CH 471828 A CH471828 A CH 471828A CH 445065 A CH445065 A CH 445065A CH 445065 A CH445065 A CH 445065A CH 471828 A CH471828 A CH 471828A
- Authority
- CH
- Switzerland
- Prior art keywords
- methylene
- preparation
- new
- androstane derivatives
- androstane
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J53/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J11/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 3
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH35037A DE1226574B (en) | 1964-04-25 | 1964-04-25 | Process for the preparation of 1,2alpha-methylene-5alpha-androstane derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
CH471828A true CH471828A (en) | 1969-04-30 |
Family
ID=7433348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH445065A CH471828A (en) | 1964-04-25 | 1965-03-31 | Process for the preparation of new 1,2a-methylene-5a-androstane derivatives |
Country Status (5)
Country | Link |
---|---|
US (1) | US3354185A (en) |
CH (1) | CH471828A (en) |
DE (1) | DE1226574B (en) |
GB (1) | GB1029749A (en) |
NL (1) | NL6505072A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3470156A (en) * | 1967-01-30 | 1969-09-30 | Smithkline Corp | 6,6-ethylene-1,2-methylenesteroids |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3163663A (en) * | 1961-12-04 | 1964-12-29 | Syntex Corp | 2alpha-methyl-delta3-androstene-17-hydrocarbon derivatives |
US3254099A (en) * | 1962-03-05 | 1966-05-31 | Rhone Poulenc Sa | 17alpha-substituted-17beta-hydroxy androstane and androstene derivatives |
DE1187611B (en) * | 1963-07-13 | 1965-02-25 | Schering Ag | Process for the preparation of 3-esters or 3-ethers of 1alpha, 2alpha-methylene-delten-3, 17beta-diols and their 17beta-esters |
-
1964
- 1964-04-25 DE DESCH35037A patent/DE1226574B/en active Pending
-
1965
- 1965-03-31 CH CH445065A patent/CH471828A/en not_active IP Right Cessation
- 1965-04-09 GB GB15230/65A patent/GB1029749A/en not_active Expired
- 1965-04-16 US US448854A patent/US3354185A/en not_active Expired - Lifetime
- 1965-04-21 NL NL6505072A patent/NL6505072A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1226574B (en) | 1966-10-13 |
GB1029749A (en) | 1966-05-18 |
US3354185A (en) | 1967-11-21 |
NL6505072A (en) | 1965-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |