BE862453A - Perfectionnements aux procedes pour la preparation d'esters d'acides carboxyliques - Google Patents
Perfectionnements aux procedes pour la preparation d'esters d'acides carboxyliquesInfo
- Publication number
- BE862453A BE862453A BE183951A BE183951A BE862453A BE 862453 A BE862453 A BE 862453A BE 183951 A BE183951 A BE 183951A BE 183951 A BE183951 A BE 183951A BE 862453 A BE862453 A BE 862453A
- Authority
- BE
- Belgium
- Prior art keywords
- processes
- preparation
- carboxylic acid
- acid esters
- esters
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
- C07J41/005—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 the 17-beta position being substituted by an uninterrupted chain of only two carbon atoms, e.g. pregnane derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB54544/76A GB1565680A (en) | 1976-12-31 | 1976-12-31 | Method for the preparation of carboxylic acid esters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE862453A true BE862453A (fr) | 1978-06-29 |
Family
ID=10471362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE183951A BE862453A (fr) | 1976-12-31 | 1977-12-29 | Perfectionnements aux procedes pour la preparation d'esters d'acides carboxyliques |
Country Status (13)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4261910A (en) * | 1978-08-14 | 1981-04-14 | Kureha Kagaku Kogyo Kabushiki Kaisha | Process for the preparation of Chlorambucil derivatives |
| DE3210637A1 (de) * | 1982-03-23 | 1983-09-29 | Stiftung Deutsches Krebsforschungszentrum, 6900 Heidelberg | Steroidester von n-(2-halogenethyl)-n-nitroso-carbamoylaminosaeuren und deren peptiden, sowie verfahren zu deren herstellung |
| SE8303031D0 (sv) * | 1983-05-30 | 1983-05-30 | Leo Ab | Improved steroid esters preparation |
| SE8305596D0 (sv) * | 1983-10-12 | 1983-10-12 | Leo Ab | A selective acylation method |
| US4615835A (en) * | 1983-11-17 | 1986-10-07 | Stiftung Deutsches Krebsforschungs Zentrum | Steroid esters of N-(2-halogenethyl)-N-nitroso-carbamoylamino and acids and peptides therefore, as well as method for preparing them |
| DE3514402A1 (de) * | 1985-04-20 | 1986-10-23 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von (meth)acrylsaeureestern und deren verwendung |
| JPS61293993A (ja) * | 1985-06-21 | 1986-12-24 | Kureha Chem Ind Co Ltd | 新規な螢光物質，その製造方法及び薬剤 |
| CA2136803A1 (en) * | 1993-12-22 | 1995-06-23 | Kazumi Ogata | Steroid derivatives |
| JP6399246B2 (ja) * | 2016-03-10 | 2018-10-03 | Dic株式会社 | エステル基を有する化合物の製造方法 |
| CN112574038A (zh) * | 2021-01-07 | 2021-03-30 | 北京微量化学研究所 | 一种柠檬酸单酯的选择性合成方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2015709B2 (de) * | 1970-04-02 | 1975-11-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Estern |
| US4082747A (en) * | 1975-10-01 | 1978-04-04 | Mallinckrodt, Inc. | Chemical process |
-
1976
- 1976-12-31 GB GB54544/76A patent/GB1565680A/en not_active Expired
-
1977
- 1977-12-09 SE SE7714032A patent/SE429232B/xx not_active IP Right Cessation
- 1977-12-13 DE DE19772755547 patent/DE2755547A1/de active Granted
- 1977-12-14 FR FR7737697A patent/FR2376117A1/fr active Granted
- 1977-12-16 CH CH1552277A patent/CH630334A5/de not_active IP Right Cessation
- 1977-12-21 US US05/863,058 patent/US4180504A/en not_active Expired - Lifetime
- 1977-12-21 US US05/863,057 patent/US4181669A/en not_active Expired - Lifetime
- 1977-12-22 NL NL7714262A patent/NL7714262A/xx not_active Application Discontinuation
- 1977-12-28 IL IL53712A patent/IL53712A/xx unknown
- 1977-12-28 JP JP15753677A patent/JPS5384902A/ja active Granted
- 1977-12-29 CA CA294,117A patent/CA1085820A/en not_active Expired
- 1977-12-29 BE BE183951A patent/BE862453A/xx not_active IP Right Cessation
- 1977-12-30 DK DK587077A patent/DK157004C/da not_active IP Right Cessation
- 1977-12-30 IE IE2662/77A patent/IE46290B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA1085820A (en) | 1980-09-16 |
| SE429232B (sv) | 1983-08-22 |
| JPS569497B2 (US08197722-20120612-C00042.png) | 1981-03-02 |
| IL53712A0 (en) | 1978-03-10 |
| SE7714032L (sv) | 1978-07-02 |
| NL7714262A (nl) | 1978-07-04 |
| IE46290B1 (en) | 1983-04-20 |
| DE2755547A1 (de) | 1978-07-13 |
| DE2755547C2 (US08197722-20120612-C00042.png) | 1987-06-11 |
| IL53712A (en) | 1981-01-30 |
| IE46290L (en) | 1978-06-30 |
| GB1565680A (en) | 1980-04-23 |
| DK157004C (da) | 1990-04-02 |
| DK157004B (da) | 1989-10-30 |
| FR2376117B1 (US08197722-20120612-C00042.png) | 1980-08-22 |
| US4181669A (en) | 1980-01-01 |
| US4180504A (en) | 1979-12-25 |
| CH630334A5 (de) | 1982-06-15 |
| DK587077A (da) | 1978-07-01 |
| FR2376117A1 (fr) | 1978-07-28 |
| JPS5384902A (en) | 1978-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: A.B. LEO Effective date: 19901231 |