NL7316827A - - Google Patents
Info
- Publication number
- NL7316827A NL7316827A NL7316827A NL7316827A NL7316827A NL 7316827 A NL7316827 A NL 7316827A NL 7316827 A NL7316827 A NL 7316827A NL 7316827 A NL7316827 A NL 7316827A NL 7316827 A NL7316827 A NL 7316827A
- 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
- C07D501/02—Preparation
- C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
-
- 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
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47123601A JPS523951B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-12-08 | 1972-12-08 | |
| JP731423A JPS5652907B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-12-25 | 1972-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7316827A true NL7316827A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-11 |
Family
ID=26334632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7316827A NL7316827A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-12-08 | 1973-12-07 |
Country Status (8)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2301526A1 (fr) * | 1975-02-21 | 1976-09-17 | Shionogi & Co | Procede de preparation de der |
| JPS5268193A (en) * | 1975-11-28 | 1977-06-06 | Sumitomo Chem Co Ltd | Synthesis of novel cephalosporin derivatives |
| FR2494279A1 (fr) * | 1980-11-20 | 1982-05-21 | Rhone Poulenc Ind | Nouvelles oxacephalosporines, leur preparation et les medicaments qui les contiennent |
| US5856474A (en) * | 1994-04-25 | 1999-01-05 | Biochemie Gesellschaft, M.B.H. | Cephalosporin synthesis |
| US5631366A (en) * | 1995-01-12 | 1997-05-20 | Hoffmann-La Roche Inc. | Process for making 3-formylcephem derivatives |
| CN102898439B (zh) * | 2011-07-27 | 2015-03-25 | 广东立国制药有限公司 | 一种去乙酰头孢呋辛内酯的制备方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3351596A (en) * | 1966-09-21 | 1967-11-07 | Lilly Co Eli | 3-formyl cephalosporins |
| CH504473A (de) * | 1967-11-03 | 1971-03-15 | Ciba Geigy Ag | Verfahren zur Herstellung von Cephalosporansäurederivaten |
| CH546794A (de) * | 1970-06-18 | 1974-03-15 | Ciba Geigy Ag | Verfahren zur herstellung von cephalosporansaeurederivaten. |
-
1973
- 1973-11-20 CA CA186,321A patent/CA1109860A/en not_active Expired
- 1973-12-05 SE SE7316419A patent/SE416204B/sv unknown
- 1973-12-05 DE DE2360620A patent/DE2360620C2/de not_active Expired
- 1973-12-06 CH CH1709173A patent/CH588497A5/xx not_active IP Right Cessation
- 1973-12-07 US US05/422,748 patent/US3984401A/en not_active Expired - Lifetime
- 1973-12-07 FR FR7343847A patent/FR2209763B1/fr not_active Expired
- 1973-12-07 NL NL7316827A patent/NL7316827A/xx not_active Application Discontinuation
- 1973-12-10 GB GB5717973A patent/GB1444947A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1109860A (en) | 1981-09-29 |
| FR2209763B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-06-25 |
| DE2360620C2 (de) | 1983-11-17 |
| CH588497A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-06-15 |
| FR2209763A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-07-05 |
| US3984401A (en) | 1976-10-05 |
| DE2360620A1 (de) | 1974-06-12 |
| GB1444947A (en) | 1976-08-04 |
| SE416204B (sv) | 1980-12-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| 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 |