NL7400308A - - Google Patents
Info
- Publication number
- NL7400308A NL7400308A NL7400308A NL7400308A NL7400308A NL 7400308 A NL7400308 A NL 7400308A NL 7400308 A NL7400308 A NL 7400308A NL 7400308 A NL7400308 A NL 7400308A NL 7400308 A NL7400308 A NL 7400308A
- 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
- C07D501/22—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with radicals containing only hydrogen and carbon atoms, attached in position 3
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH22473A CH579090A5 (en) | 1973-01-09 | 1973-01-09 | 7-Amino-3-methylene-cephams prepn. - by reducing 7-amino-3-acyloxymethyl-3-cephems, used as inters for antibiotic cephalosporins |
CH460973A CH594682A5 (en) | 1973-03-30 | 1973-03-30 | 7-Amino-3-methylene-cephams prepn. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7400308A true NL7400308A (xx) | 1974-07-11 |
Family
ID=25683934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7400308A NL7400308A (xx) | 1973-01-09 | 1974-01-09 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4013650A (xx) |
JP (1) | JPS49108094A (xx) |
CA (1) | CA1022542A (xx) |
DE (1) | DE2400067C2 (xx) |
FR (1) | FR2213287B1 (xx) |
GB (1) | GB1450718A (xx) |
NL (1) | NL7400308A (xx) |
SE (1) | SE422212B (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049806A (en) * | 1975-08-15 | 1977-09-20 | Syntex (U.S.A.) Inc. | Cephalosporin type antibacterials |
US4024152A (en) * | 1975-09-19 | 1977-05-17 | Eli Lilly And Company | 4-Dithio-3-imido-azetidin-2-ones |
US4176231A (en) * | 1977-12-24 | 1979-11-27 | Lilly Industries Limited | Process for preparing 3-exomethylenecepham sulfoxides |
CA1200543A (en) * | 1981-12-21 | 1986-02-11 | Eli Lilly And Company | 7-epi-3-exomethylenecepham derivatives |
US4558123A (en) * | 1983-07-22 | 1985-12-10 | Eli Lilly And Company | 3-Exomethylene cephalosporins |
JPS61246187A (ja) * | 1985-09-05 | 1986-11-01 | Shionogi & Co Ltd | 1―オキサデチアセファム化合物の製造方法 |
JP2750355B2 (ja) * | 1988-05-11 | 1998-05-13 | 大塚化学株式会社 | 3−エキソメチレンセファム誘導体の製造法 |
JPH02117677A (ja) * | 1989-09-22 | 1990-05-02 | Shionogi & Co Ltd | 1―オキサデチアセフアム化合物 |
GB9203327D0 (en) * | 1992-02-17 | 1992-04-01 | Erba Carlo Spa | Process for the synthesis of exomethylenecephams |
US20060037595A1 (en) * | 2004-08-17 | 2006-02-23 | Dave Procknow | Reduced-emission single cylinder engine |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3769277A (en) * | 1970-01-23 | 1973-10-30 | Glaxo Lab Ltd | Preparation of delta3-4 carboxy cephalosporins having a 3-vinyl or substituted 3-vinyl group |
US3929775A (en) * | 1970-12-08 | 1975-12-30 | Takeda Chemical Industries Ltd | Process for producing cephalosporin derivatives |
JPS502518B1 (xx) * | 1970-12-24 | 1975-01-27 | ||
US3773761A (en) * | 1971-02-22 | 1973-11-20 | Smithkline Corp | Process for preparing desacetoxycephalosporanic acids from cephalosporanic acids |
US3932393A (en) * | 1971-02-25 | 1976-01-13 | Eli Lilly And Company | 3-Methylenecephalosporins and process for production thereof |
JPS515396B1 (xx) * | 1971-04-05 | 1976-02-19 | ||
US3883518A (en) * | 1972-05-15 | 1975-05-13 | Merck & Co Inc | 3-Methylene cephalosporins |
-
1973
- 1973-12-11 CA CA187,921A patent/CA1022542A/en not_active Expired
- 1973-12-12 GB GB5758573A patent/GB1450718A/en not_active Expired
- 1973-12-17 SE SE7317000A patent/SE422212B/xx unknown
- 1973-12-17 US US05/425,343 patent/US4013650A/en not_active Expired - Lifetime
-
1974
- 1974-01-02 DE DE2400067A patent/DE2400067C2/de not_active Expired
- 1974-01-07 FR FR7400443A patent/FR2213287B1/fr not_active Expired
- 1974-01-09 JP JP49006296A patent/JPS49108094A/ja active Pending
- 1974-01-09 NL NL7400308A patent/NL7400308A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS49108094A (xx) | 1974-10-14 |
US4013650A (en) | 1977-03-22 |
SE422212B (sv) | 1982-02-22 |
GB1450718A (en) | 1976-09-29 |
FR2213287B1 (xx) | 1978-12-08 |
FR2213287A1 (xx) | 1974-08-02 |
CA1022542A (en) | 1977-12-13 |
DE2400067C2 (de) | 1984-03-15 |
DE2400067A1 (de) | 1974-07-11 |
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 |