NL7300487A - - Google Patents
Info
- Publication number
- NL7300487A NL7300487A NL7300487A NL7300487A NL7300487A NL 7300487 A NL7300487 A NL 7300487A NL 7300487 A NL7300487 A NL 7300487A NL 7300487 A NL7300487 A NL 7300487A NL 7300487 A NL7300487 A NL 7300487A
- 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
- C07D501/24—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
- C07D501/36—Methylene radicals, substituted by sulfur atoms
-
- 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
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- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21728372A | 1972-01-12 | 1972-01-12 | |
| US23893272A | 1972-03-28 | 1972-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7300487A true NL7300487A (cs) | 1973-07-16 |
Family
ID=26911792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7300487A NL7300487A (cs) | 1972-01-12 | 1973-01-12 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS49108089A (cs) |
| BE (1) | BE793724A (cs) |
| CH (1) | CH584228A5 (cs) |
| DE (1) | DE2301509A1 (cs) |
| FR (1) | FR2181658B1 (cs) |
| GB (1) | GB1359811A (cs) |
| NL (1) | NL7300487A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1192287B (it) * | 1977-11-14 | 1988-03-31 | Fujisawa Pharmaceutical Co | Derivati di acido cefalosporanico ad azione farmaceutica e relativo procedimento di preparazione |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL37879A (en) * | 1970-10-27 | 1974-12-31 | Ciba Geigy Ag | 3-unsubstituted cephalosporin derivatives,process for their manufacture and compositions containing them |
-
0
- BE BE793724D patent/BE793724A/xx unknown
-
1973
- 1973-01-03 GB GB34973A patent/GB1359811A/en not_active Expired
- 1973-01-09 FR FR7300567A patent/FR2181658B1/fr not_active Expired
- 1973-01-11 CH CH36773A patent/CH584228A5/xx not_active IP Right Cessation
- 1973-01-12 JP JP48006518A patent/JPS49108089A/ja active Pending
- 1973-01-12 NL NL7300487A patent/NL7300487A/xx unknown
- 1973-01-12 DE DE2301509A patent/DE2301509A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2301509A1 (de) | 1973-07-19 |
| FR2181658B1 (cs) | 1976-06-25 |
| CH584228A5 (cs) | 1977-01-31 |
| GB1359811A (en) | 1974-07-10 |
| JPS49108089A (cs) | 1974-10-14 |
| FR2181658A1 (cs) | 1973-12-07 |
| BE793724A (fr) | 1973-07-05 |