BE841703A - Derives de la cephalosporine, leur preparation et leur application - Google Patents
Derives de la cephalosporine, leur preparation et leur applicationInfo
- Publication number
- BE841703A BE841703A BE166931A BE166931A BE841703A BE 841703 A BE841703 A BE 841703A BE 166931 A BE166931 A BE 166931A BE 166931 A BE166931 A BE 166931A BE 841703 A BE841703 A BE 841703A
- Authority
- BE
- Belgium
- Prior art keywords
- preparation
- application
- cephalosporin derivatives
- cephalosporin
- derivatives
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1991275A GB1525413A (en) | 1975-05-12 | 1975-05-12 | Cephalosporins |
Publications (1)
Publication Number | Publication Date |
---|---|
BE841703A true BE841703A (fr) | 1976-11-12 |
Family
ID=10137220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE166931A BE841703A (fr) | 1975-05-12 | 1976-05-11 | Derives de la cephalosporine, leur preparation et leur application |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS62238289A (fr) |
BE (1) | BE841703A (fr) |
GB (1) | GB1525413A (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50131982A (fr) * | 1974-04-05 | 1975-10-18 |
-
1975
- 1975-05-12 GB GB1991275A patent/GB1525413A/en not_active Expired
-
1976
- 1976-05-11 BE BE166931A patent/BE841703A/fr not_active IP Right Cessation
-
1986
- 1986-04-04 JP JP7891386A patent/JPS62238289A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62238289A (ja) | 1987-10-19 |
JPH0253436B2 (fr) | 1990-11-16 |
GB1525413A (en) | 1978-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: TAKEDA CHEMICAL INDUSTRIES LTD Effective date: 19900531 |