NL7317656A - - Google Patents
Info
- Publication number
- NL7317656A NL7317656A NL7317656A NL7317656A NL7317656A NL 7317656 A NL7317656 A NL 7317656A NL 7317656 A NL7317656 A NL 7317656A NL 7317656 A NL7317656 A NL 7317656A NL 7317656 A NL7317656 A NL 7317656A
- Authority
- NL
- Netherlands
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
- C07J5/0046—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 substituted in position 17 alfa
- C07J5/0061—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 substituted in position 17 alfa substituted in position 16
- C07J5/0092—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 substituted in position 17 alfa substituted in position 16 by an OH group free esterified or etherified
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
- C07J71/0005—Oxygen-containing hetero ring
- C07J71/0026—Oxygen-containing hetero ring cyclic ketals
- C07J71/0031—Oxygen-containing hetero ring cyclic ketals at positions 16, 17
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722264003 DE2264003C2 (de) | 1972-12-22 | 1972-12-22 | Neue Pregnansäure-Derivate, Verfahren zu ihrer Herstellung und diese enthaltende pharmazeutische Präparate |
| DE2360444A DE2360444A1 (de) | 1973-11-30 | 1973-11-30 | Neue pregnansaeure-derivate |
| US426702A US3919421A (en) | 1972-12-22 | 1973-12-20 | Pregnanoic acid derivatives and process for the preparation thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7317656A true NL7317656A (US07118763-20061010-C00002.png) | 1974-06-25 |
| NL183763B NL183763B (nl) | 1988-08-16 |
| NL183763C NL183763C (nl) | 1989-01-16 |
Family
ID=27184930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7317656,A NL183763C (nl) | 1972-12-22 | 1973-12-22 | Werkwijze ter bereiding of vervaardiging van een geneesmiddel met ontstekings-remmende werking, en werkwijze ter bereiding van 3,20-dioxo-4-pregneenverbindingen. |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3919421A (US07118763-20061010-C00002.png) |
| NL (1) | NL183763C (US07118763-20061010-C00002.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160772A (en) * | 1978-06-26 | 1979-07-10 | E. R. Squibb & Sons, Inc. | Steroidal[16α,17-d]cyclohexene-21-carboxylic acid esters |
| US4164504A (en) * | 1978-06-26 | 1979-08-14 | E. R. Squibb & Sons, Inc. | Steroidal[16α,17-b]naphthaleno-21-carboxylic acid esters |
| US4257969A (en) * | 1980-01-23 | 1981-03-24 | E. R. Squibb & Sons, Inc. | 16,17-Dihydroxypregnene-21-carboxylic acids and derivatives |
| US5215979A (en) * | 1985-12-19 | 1993-06-01 | Aktiebolaget Draco | 16,17-acetalsubstituted pregnane 21-oic acid derivatives |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3833563A (en) * | 1971-10-04 | 1974-09-03 | Schering Ag | Novel pregnanoic acid derivatives |
| DE2260303C2 (de) * | 1972-12-06 | 1983-12-15 | Schering AG, 1000 Berlin und 4709 Bergkamen | Verfahren zur Herstellung von Pregnansäurederivaten |
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1973
- 1973-12-20 US US426702A patent/US3919421A/en not_active Expired - Lifetime
- 1973-12-22 NL NLAANVRAGE7317656,A patent/NL183763C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL183763B (nl) | 1988-08-16 |
| US3919421A (en) | 1975-11-11 |
| NL183763C (nl) | 1989-01-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BK | Erratum |
Free format text: CORRECTION TO PAMPHLET |
|
| V1 | Lapsed because of non-payment of the annual fee |