BE852469A - Procede de preparation de 3-methylene cephalosporines - Google Patents
Procede de preparation de 3-methylene cephalosporinesInfo
- Publication number
- BE852469A BE852469A BE175798A BE175798A BE852469A BE 852469 A BE852469 A BE 852469A BE 175798 A BE175798 A BE 175798A BE 175798 A BE175798 A BE 175798A BE 852469 A BE852469 A BE 852469A
- Authority
- BE
- Belgium
- Prior art keywords
- preparation
- cephalosporins
- methylene
- methylene cephalosporins
- 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
- C07D501/02—Preparation
- C07D501/08—Preparation by forming the ring or condensed ring systems
- C07D501/10—Preparation by forming the ring or condensed ring systems from compounds containing the penicillin ring system
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/666,989 US4375397A (en) | 1976-03-15 | 1976-03-15 | Process for preparing 3-methylene cephalosporins |
Publications (1)
Publication Number | Publication Date |
---|---|
BE852469A true BE852469A (fr) | 1977-09-15 |
Family
ID=24676364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE175798A BE852469A (fr) | 1976-03-15 | 1977-03-15 | Procede de preparation de 3-methylene cephalosporines |
Country Status (12)
Country | Link |
---|---|
US (1) | US4375397A (fr) |
JP (1) | JPS52111592A (fr) |
BE (1) | BE852469A (fr) |
CA (1) | CA1062654A (fr) |
CH (1) | CH597239A5 (fr) |
DE (1) | DE2709529C2 (fr) |
DK (1) | DK155008C (fr) |
FR (1) | FR2344561A1 (fr) |
GB (1) | GB1579296A (fr) |
HU (1) | HU172544B (fr) |
IE (1) | IE45116B1 (fr) |
NL (1) | NL7702342A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4190724A (en) * | 1978-11-13 | 1980-02-26 | Eli Lilly And Company | Process for 3-exomethylenecepham sulfoxides |
US4966443A (en) * | 1988-02-22 | 1990-10-30 | Fuji Photo Film Co., Ltd. | Light beam scanner |
JPH023451U (fr) * | 1988-06-16 | 1990-01-10 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2265798C2 (de) * | 1971-06-24 | 1985-09-26 | Fujisawa Pharmaceutical Co., Ltd., Osaka | Verfahren zur Herstellung von Oxoazetidin-Derivaten |
US3898142A (en) * | 1972-03-24 | 1975-08-05 | Schering Corp | Photolytic cyclization of an amino-keto acylate |
-
1976
- 1976-03-15 US US05/666,989 patent/US4375397A/en not_active Expired - Lifetime
-
1977
- 1977-02-14 CA CA271,660A patent/CA1062654A/fr not_active Expired
- 1977-02-18 IE IE362/77A patent/IE45116B1/en not_active IP Right Cessation
- 1977-03-04 NL NL7702342A patent/NL7702342A/xx not_active Application Discontinuation
- 1977-03-04 GB GB9266/77A patent/GB1579296A/en not_active Expired
- 1977-03-04 DE DE2709529A patent/DE2709529C2/de not_active Expired
- 1977-03-08 FR FR7706779A patent/FR2344561A1/fr active Pending
- 1977-03-10 CH CH303577A patent/CH597239A5/xx not_active IP Right Cessation
- 1977-03-11 DK DK106677A patent/DK155008C/da not_active IP Right Cessation
- 1977-03-14 HU HU77SU00000942A patent/HU172544B/hu unknown
- 1977-03-15 JP JP2911877A patent/JPS52111592A/ja active Granted
- 1977-03-15 BE BE175798A patent/BE852469A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2344561A1 (fr) | 1977-10-14 |
DE2709529C2 (de) | 1986-01-02 |
IE45116B1 (en) | 1982-06-30 |
NL7702342A (nl) | 1977-09-19 |
HU172544B (hu) | 1978-09-28 |
IE45116L (en) | 1977-09-15 |
CH597239A5 (fr) | 1978-03-31 |
JPS52111592A (en) | 1977-09-19 |
DK155008C (da) | 1989-06-12 |
DE2709529A1 (de) | 1977-09-22 |
DK155008B (da) | 1989-01-23 |
JPS6120554B2 (fr) | 1986-05-22 |
US4375397A (en) | 1983-03-01 |
DK106677A (da) | 1977-09-16 |
GB1579296A (en) | 1980-11-19 |
CA1062654A (fr) | 1979-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: E.R. SQUIBB & SONS INC. Effective date: 19940331 |