NL7704220A - PROCESS FOR PREPARING 17-ACETALS OF 3-ALKOXYESTRA-2.5 (10) -DIEEN-17-ONEN. - Google Patents
PROCESS FOR PREPARING 17-ACETALS OF 3-ALKOXYESTRA-2.5 (10) -DIEEN-17-ONEN.Info
- Publication number
- NL7704220A NL7704220A NL7704220A NL7704220A NL7704220A NL 7704220 A NL7704220 A NL 7704220A NL 7704220 A NL7704220 A NL 7704220A NL 7704220 A NL7704220 A NL 7704220A NL 7704220 A NL7704220 A NL 7704220A
- Authority
- NL
- Netherlands
- Prior art keywords
- alkoxyestra
- dieen
- onen
- acetals
- preparing
- Prior art date
Links
Classifications
-
- 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
- C07J1/0051—Estrane derivatives
- C07J1/0081—Substituted in position 17 alfa and 17 beta
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
- C07J21/005—Ketals
- C07J21/008—Ketals at position 17
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4429576A JPS52128362A (en) | 1976-04-19 | 1976-04-19 | Preparation of 17-acetal of 3-alkoxyestra-2,5(10)-diene-17-one |
JP14683576A JPS5371053A (en) | 1976-12-07 | 1976-12-07 | Preparation of 17-acetal of 3-alkoxyestra-2,5(10)-diene-17-one |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7704220A true NL7704220A (en) | 1977-10-21 |
Family
ID=26384146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7704220A NL7704220A (en) | 1976-04-19 | 1977-04-18 | PROCESS FOR PREPARING 17-ACETALS OF 3-ALKOXYESTRA-2.5 (10) -DIEEN-17-ONEN. |
Country Status (5)
Country | Link |
---|---|
DD (1) | DD132347A5 (en) |
DE (1) | DE2717310A1 (en) |
FR (1) | FR2348931A1 (en) |
GB (1) | GB1527699A (en) |
NL (1) | NL7704220A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59141600A (en) * | 1983-02-02 | 1984-08-14 | Mitsubishi Chem Ind Ltd | Preparation of estrone |
-
1977
- 1977-04-13 GB GB1539677A patent/GB1527699A/en not_active Expired
- 1977-04-18 NL NL7704220A patent/NL7704220A/en not_active Application Discontinuation
- 1977-04-18 DD DD19844877A patent/DD132347A5/en unknown
- 1977-04-19 FR FR7711713A patent/FR2348931A1/en active Granted
- 1977-04-19 DE DE19772717310 patent/DE2717310A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2717310A1 (en) | 1977-11-03 |
FR2348931A1 (en) | 1977-11-18 |
GB1527699A (en) | 1978-10-04 |
DD132347A5 (en) | 1978-09-20 |
FR2348931B1 (en) | 1980-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | A search report has been drawn up | ||
BV | The patent application has lapsed |