GB1474544A - Cephalosporin cleavage process - Google Patents
Cephalosporin cleavage processInfo
- Publication number
- GB1474544A GB1474544A GB2683874A GB2683874A GB1474544A GB 1474544 A GB1474544 A GB 1474544A GB 2683874 A GB2683874 A GB 2683874A GB 2683874 A GB2683874 A GB 2683874A GB 1474544 A GB1474544 A GB 1474544A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cephalosporin
- temperature
- reacting
- hydrogen
- reaction mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
-
- 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
- C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US371011A US3905966A (en) | 1973-06-18 | 1973-06-18 | Cephalosporin cleavage process |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1474544A true GB1474544A (en) | 1977-05-25 |
Family
ID=23462129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2683874A Expired GB1474544A (en) | 1973-06-18 | 1974-06-12 | Cephalosporin cleavage process |
Country Status (12)
Country | Link |
---|---|
US (1) | US3905966A (xx) |
JP (1) | JPS61352B2 (xx) |
BE (1) | BE816408A (xx) |
CA (1) | CA1018155A (xx) |
CH (1) | CH601313A5 (xx) |
DE (1) | DE2429166A1 (xx) |
ES (2) | ES427388A1 (xx) |
FR (1) | FR2233328B1 (xx) |
GB (1) | GB1474544A (xx) |
IE (1) | IE39253B1 (xx) |
IL (1) | IL44791A (xx) |
NL (1) | NL7408170A (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3994888A (en) * | 1973-06-18 | 1976-11-30 | Eli Lilly And Company | Cephalosporin cleavage process |
US4001239A (en) * | 1973-06-18 | 1977-01-04 | Eli Lilly And Company | Cephalosporin cleavage process |
US4039535A (en) * | 1973-12-10 | 1977-08-02 | Eli Lilly And Company | 7-[α-(GUANYL-1-UREIDO)PHENYLACETAMIDO]-3-SUBSTITUTED CEPHALOSPORIN ANTIBIOTICS |
JPS52124221A (en) * | 1976-04-10 | 1977-10-19 | Toshizou Miyai | Water tpa with selffclosing valve |
US5169945A (en) * | 1990-05-14 | 1992-12-08 | Eli Lilly And Company | Amino protecting group |
US5239069A (en) * | 1990-05-14 | 1993-08-24 | Eli Lilly And Company | Amino protecting group |
IL98072A0 (en) * | 1990-05-14 | 1992-06-21 | Lilly Co Eli | Azetidinone analogs and process for their preparation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3487070A (en) * | 1966-01-14 | 1969-12-30 | Bristol Myers Co | 3-blocked amino-4-sulfhydryl-2-azetidinones |
US3487074A (en) * | 1966-01-14 | 1969-12-30 | Bristol Myers Co | Derivatives of 6-amino-3-penamylcarboxylic acid and 7-amino-2,2-dimethyl-cephalosporanic acid |
US3769281A (en) * | 1970-07-09 | 1973-10-30 | Lilly Co Eli | Deblocking process for cephalosporin antibiotics |
-
1973
- 1973-06-18 US US371011A patent/US3905966A/en not_active Expired - Lifetime
-
1974
- 1974-05-07 IE IE963/74A patent/IE39253B1/xx unknown
- 1974-05-09 IL IL44791A patent/IL44791A/en unknown
- 1974-05-15 CA CA199,956A patent/CA1018155A/en not_active Expired
- 1974-06-12 GB GB2683874A patent/GB1474544A/en not_active Expired
- 1974-06-17 BE BE1006024A patent/BE816408A/xx unknown
- 1974-06-18 ES ES427388A patent/ES427388A1/es not_active Expired
- 1974-06-18 NL NL7408170A patent/NL7408170A/xx not_active Application Discontinuation
- 1974-06-18 DE DE2429166A patent/DE2429166A1/de not_active Withdrawn
- 1974-06-18 FR FR7421140A patent/FR2233328B1/fr not_active Expired
- 1974-06-18 CH CH831974A patent/CH601313A5/xx not_active IP Right Cessation
- 1974-06-18 JP JP49070086A patent/JPS61352B2/ja not_active Expired
-
1976
- 1976-05-17 ES ES448016A patent/ES448016A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7408170A (xx) | 1974-12-20 |
IL44791A (en) | 1976-09-30 |
JPS5036488A (xx) | 1975-04-05 |
CH601313A5 (xx) | 1978-07-14 |
ES427388A1 (es) | 1976-09-16 |
BE816408A (fr) | 1974-12-17 |
JPS61352B2 (xx) | 1986-01-08 |
FR2233328A1 (xx) | 1975-01-10 |
IE39253L (en) | 1974-12-18 |
IE39253B1 (en) | 1978-08-30 |
US3905966A (en) | 1975-09-16 |
FR2233328B1 (xx) | 1977-10-07 |
IL44791A0 (en) | 1974-07-31 |
DE2429166A1 (de) | 1975-01-09 |
ES448016A1 (es) | 1977-07-01 |
CA1018155A (en) | 1977-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |