CA1018968A - Method for preparing 7-substituted cephalosporins by replacement of o- or s-containing groups - Google Patents
Method for preparing 7-substituted cephalosporins by replacement of o- or s-containing groupsInfo
- Publication number
- CA1018968A CA1018968A CA186,287A CA186287A CA1018968A CA 1018968 A CA1018968 A CA 1018968A CA 186287 A CA186287 A CA 186287A CA 1018968 A CA1018968 A CA 1018968A
- Authority
- CA
- Canada
- Prior art keywords
- replacement
- preparing
- containing groups
- substituted cephalosporins
- cephalosporins
- 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
- C07D501/57—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with a further substituent in position 7, e.g. cephamycines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31243672A | 1972-12-06 | 1972-12-06 | |
US31247172A | 1972-12-06 | 1972-12-06 | |
US39494373A | 1973-09-06 | 1973-09-06 | |
US394944A US3910902A (en) | 1972-12-06 | 1973-09-06 | Method for preparing 7-substituted cephalosporins by replacement of oxygen containing groups |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1018968A true CA1018968A (en) | 1977-10-11 |
Family
ID=27502033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA186,287A Expired CA1018968A (en) | 1972-12-06 | 1973-11-20 | Method for preparing 7-substituted cephalosporins by replacement of o- or s-containing groups |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4986391A (en) |
CA (1) | CA1018968A (en) |
DE (1) | DE2360945A1 (en) |
FR (1) | FR2209762B1 (en) |
GB (1) | GB1445446A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JO1395B1 (en) * | 1981-07-10 | 1986-11-30 | بيتشام جروب بي ال سي | Process for the preparation of penam derivatives |
GB2161803B (en) * | 1981-07-25 | 1986-07-23 | Beecham Group Plc | Intermediates for b-lactam antibiotics |
-
1973
- 1973-11-20 CA CA186,287A patent/CA1018968A/en not_active Expired
- 1973-11-21 GB GB5394573A patent/GB1445446A/en not_active Expired
- 1973-12-06 JP JP13855773A patent/JPS4986391A/ja active Pending
- 1973-12-06 FR FR7343621A patent/FR2209762B1/fr not_active Expired
- 1973-12-06 DE DE19732360945 patent/DE2360945A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS4986391A (en) | 1974-08-19 |
GB1445446A (en) | 1976-08-11 |
DE2360945A1 (en) | 1974-06-12 |
FR2209762B1 (en) | 1977-02-18 |
FR2209762A1 (en) | 1974-07-05 |
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