NL7309135A - - Google Patents
Info
- Publication number
- NL7309135A NL7309135A NL7309135A NL7309135A NL7309135A NL 7309135 A NL7309135 A NL 7309135A NL 7309135 A NL7309135 A NL 7309135A NL 7309135 A NL7309135 A NL 7309135A NL 7309135 A NL7309135 A NL 7309135A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH978972A CH591500A5 (https=) | 1972-06-29 | 1972-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7309135A true NL7309135A (https=) | 1974-01-02 |
Family
ID=4355659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7309135A NL7309135A (https=) | 1972-06-29 | 1973-06-29 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3989695A (https=) |
| JP (1) | JPS5934714B2 (https=) |
| BE (1) | BE801598A (https=) |
| CH (1) | CH591500A5 (https=) |
| DE (1) | DE2331078C2 (https=) |
| FR (1) | FR2190417B1 (https=) |
| GB (1) | GB1420160A (https=) |
| NL (1) | NL7309135A (https=) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301278A (en) * | 1974-02-26 | 1981-11-17 | Ciba-Geigy Corporation | Process for the manufacture of enol derivatives |
| US4147864A (en) * | 1975-02-20 | 1979-04-03 | Ciba-Geigy Corporation | Process for the manufacture of 7β-amino-3-cephem-3-ol-4 carboxylic acid compounds |
| US4370326A (en) * | 1977-09-13 | 1983-01-25 | Fujisawa Pharmaceutical Co., Ltd. | Cephem compounds and composition |
| US4379922A (en) * | 1978-09-12 | 1983-04-12 | Fujisawa Pharmaceutical Co., Ltd. | Cepham compounds |
| US4301279A (en) * | 1979-02-23 | 1981-11-17 | Ciba-Geigy Corporation | Process for the production of 3-hydroxy compounds |
| JPS6190A (ja) * | 1984-06-08 | 1986-01-06 | Shionogi & Co Ltd | ヒドロキシセフアムカルボン酸エステルの製法 |
| JPH0645625B2 (ja) * | 1984-12-28 | 1994-06-15 | 塩野義製薬株式会社 | ヒドロキシセフアムカルボン酸エステルの製造法 |
| US4647658A (en) * | 1984-06-08 | 1987-03-03 | Shionogi & Co., Ltd. | Process for preparing aminohydroxycephamcarboxylates |
| JPS6322813U (https=) * | 1986-07-25 | 1988-02-15 | ||
| JPS6388208U (https=) * | 1986-11-27 | 1988-06-08 | ||
| US5604222A (en) * | 1993-12-27 | 1997-02-18 | Lupin Laboratories, Ltd. | Method for the preparation of 2-chloro sulfinyl azetidinones |
| US5578721A (en) * | 1994-07-11 | 1996-11-26 | Lupin Laboratories Limited | Process for preparation of 3-exomethylene cepham sulfoxide esters |
| JP4418043B2 (ja) | 1998-10-07 | 2010-02-17 | 大塚化学株式会社 | β−ヒドロキシエステルの製造法 |
| CN103755725B (zh) * | 2013-12-26 | 2016-05-18 | 浙江工业大学 | 7β-苯乙酰氨基-3-无-3-头孢烯-4-羧酸二苯甲酯的制备方法 |
| CN110437257B (zh) * | 2019-08-28 | 2021-01-12 | 河北恒百药业有限公司 | 一种头孢唑肟中间体7-anca的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3846416A (en) * | 1967-08-21 | 1974-11-05 | Glaxo Lab Ltd | Cephalosporin compounds |
| GB1241656A (en) * | 1967-08-21 | 1971-08-04 | Glaxo Lab Ltd | Improvements in or relating to cephalosporin compounds |
| US3668201A (en) * | 1970-02-24 | 1972-06-06 | Lilly Co Eli | Cepham compounds |
| US3668202A (en) * | 1970-02-24 | 1972-06-06 | Lilly Co Eli | Process for preparing cepham compounds |
| GB1308822A (en) * | 1970-04-14 | 1973-03-07 | Beecham Group Ltd | 4-isopropylidene-3-oxocephams |
| IL37879A (en) * | 1970-10-27 | 1974-12-31 | Ciba Geigy Ag | 3-unsubstituted cephalosporin derivatives,process for their manufacture and compositions containing them |
-
1972
- 1972-06-29 CH CH978972A patent/CH591500A5/xx not_active IP Right Cessation
-
1973
- 1973-06-19 DE DE2331078A patent/DE2331078C2/de not_active Expired
- 1973-06-26 FR FR7323234A patent/FR2190417B1/fr not_active Expired
- 1973-06-26 US US05/373,817 patent/US3989695A/en not_active Expired - Lifetime
- 1973-06-27 GB GB3053873A patent/GB1420160A/en not_active Expired
- 1973-06-28 BE BE132846A patent/BE801598A/xx not_active IP Right Cessation
- 1973-06-29 NL NL7309135A patent/NL7309135A/xx not_active Application Discontinuation
- 1973-06-29 JP JP48074356A patent/JPS5934714B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3989695A (en) | 1976-11-02 |
| BE801598A (fr) | 1973-12-28 |
| DE2331078A1 (de) | 1974-01-17 |
| CH591500A5 (https=) | 1977-09-30 |
| DE2331078C2 (de) | 1984-03-15 |
| JPS5934714B2 (ja) | 1984-08-24 |
| JPS4949989A (https=) | 1974-05-15 |
| GB1420160A (en) | 1976-01-07 |
| FR2190417B1 (https=) | 1976-08-13 |
| FR2190417A1 (https=) | 1974-02-01 |
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 | ||
| BV | The patent application has lapsed |