HK49796A - Process for the production of 7-aca derivatives - Google Patents
Process for the production of 7-aca derivativesInfo
- Publication number
- HK49796A HK49796A HK49796A HK49796A HK49796A HK 49796 A HK49796 A HK 49796A HK 49796 A HK49796 A HK 49796A HK 49796 A HK49796 A HK 49796A HK 49796 A HK49796 A HK 49796A
- Authority
- HK
- Hong Kong
- Prior art keywords
- production
- aca derivatives
- derivatives
- aca
- alkoxymethylcephem
- 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
- C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic 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
- C07D501/02—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Peptides Or Proteins (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0166985A AT384222B (de) | 1985-06-03 | 1985-06-03 | Verfahren zur herstellung von 7-amino-3alkoxymethyl-3-cephem-4-carbonsaeuren |
Publications (1)
Publication Number | Publication Date |
---|---|
HK49796A true HK49796A (en) | 1996-03-29 |
Family
ID=3518423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK49796A HK49796A (en) | 1985-06-03 | 1996-03-21 | Process for the production of 7-aca derivatives |
Country Status (15)
Country | Link |
---|---|
US (1) | US5580978A (fr) |
EP (1) | EP0204657B1 (fr) |
JP (1) | JPH0649704B2 (fr) |
AT (2) | AT384222B (fr) |
AU (1) | AU602124B2 (fr) |
DE (1) | DE3688302T2 (fr) |
DK (1) | DK164060C (fr) |
ES (1) | ES8706693A1 (fr) |
FI (1) | FI86183C (fr) |
HK (1) | HK49796A (fr) |
IE (1) | IE59911B1 (fr) |
IL (1) | IL78983A (fr) |
NZ (1) | NZ216366A (fr) |
PH (1) | PH22895A (fr) |
ZA (1) | ZA864134B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3789412T2 (de) * | 1986-10-02 | 1994-06-30 | Asahi Chemical Ind | Verfahren zur Herstellung von 3-Alkoxymethylcephalosporinen. |
JP2612493B2 (ja) * | 1988-05-24 | 1997-05-21 | 旭化成工業株式会社 | 3―置換メチル―3―セフェム―4―カルボン酸類の製造方法 |
DE4004370A1 (de) * | 1990-02-13 | 1991-08-14 | Hoechst Ag | Verfahren zur herstellung von 7-amino-3-methoxymethyl-ceph-3-em-4-carbonsaeure |
DE69110107T2 (de) | 1990-11-07 | 1996-02-01 | Sankyo Co | Verfahren zur Herstellung von 3-Alkoxymethyl Cephalosporinderivate. |
AT401177B (de) * | 1993-10-22 | 1996-07-25 | Biochemie Gmbh | Verfahren zur herstellung von 7-amino-3-cephem-4-carbonsäure-derivaten |
US20030135041A1 (en) * | 2002-01-04 | 2003-07-17 | Orchid Chemicals & Pharmaceuticals Limited, India | Synthesis of ceftiofur intermediate |
EP2758407A1 (fr) | 2011-09-20 | 2014-07-30 | Dhanuka Laboratories Ltd. | Procédé perfectionné pour l'obtention de cefpodoxime sous forme acide |
EP3426663B1 (fr) | 2016-03-07 | 2020-01-29 | Dhanuka Laboratories Ltd. | Procédé d'alkylation du groupe hydroxyméthyle en position -3 des céphalosporines |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1241656A (en) * | 1967-08-21 | 1971-08-04 | Glaxo Lab Ltd | Improvements in or relating to cephalosporin compounds |
GB1565941A (en) * | 1977-02-08 | 1980-04-23 | Toyama Chemical Co Ltd | Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids |
HU182411B (en) * | 1981-11-03 | 1984-01-30 | Richter Gedeon Vegyeszet | Process for preparing eburnamonine derivatives |
JPS57192392A (en) * | 1981-05-19 | 1982-11-26 | Sankyo Co Ltd | Production of 3-alkoxymethylcephalosporin |
JPS5896091A (ja) * | 1981-12-01 | 1983-06-07 | Sankyo Co Ltd | 3−アルコキシメチルセフアロスポリン類の製造法 |
JPS59163387A (ja) * | 1983-03-07 | 1984-09-14 | Sankyo Co Ltd | 3−アルコキシメチルセフアロスポリンの製造方法 |
DE3789412T2 (de) * | 1986-10-02 | 1994-06-30 | Asahi Chemical Ind | Verfahren zur Herstellung von 3-Alkoxymethylcephalosporinen. |
-
1985
- 1985-06-03 AT AT0166985A patent/AT384222B/de not_active IP Right Cessation
-
1986
- 1986-05-23 EP EP86810224A patent/EP0204657B1/fr not_active Expired - Lifetime
- 1986-05-23 DE DE86810224T patent/DE3688302T2/de not_active Expired - Fee Related
- 1986-05-23 AT AT86810224T patent/ATE88476T1/de not_active IP Right Cessation
- 1986-05-30 IE IE144086A patent/IE59911B1/en not_active IP Right Cessation
- 1986-05-30 NZ NZ216366A patent/NZ216366A/xx unknown
- 1986-06-02 IL IL78983A patent/IL78983A/xx not_active IP Right Cessation
- 1986-06-02 ES ES555612A patent/ES8706693A1/es not_active Expired
- 1986-06-02 DK DK259486A patent/DK164060C/da not_active IP Right Cessation
- 1986-06-02 JP JP61129034A patent/JPH0649704B2/ja not_active Expired - Lifetime
- 1986-06-02 AU AU58245/86A patent/AU602124B2/en not_active Ceased
- 1986-06-02 PH PH33843A patent/PH22895A/en unknown
- 1986-06-02 FI FI862336A patent/FI86183C/fi not_active IP Right Cessation
- 1986-06-03 ZA ZA864134A patent/ZA864134B/xx unknown
-
1995
- 1995-04-13 US US08/421,099 patent/US5580978A/en not_active Expired - Lifetime
-
1996
- 1996-03-21 HK HK49796A patent/HK49796A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NZ216366A (en) | 1989-08-29 |
AT384222B (de) | 1987-10-12 |
DK164060B (da) | 1992-05-04 |
US5580978A (en) | 1996-12-03 |
EP0204657B1 (fr) | 1993-04-21 |
JPS61289093A (ja) | 1986-12-19 |
FI86183B (fi) | 1992-04-15 |
IL78983A0 (en) | 1986-09-30 |
EP0204657A2 (fr) | 1986-12-10 |
FI862336A (fi) | 1986-12-04 |
AU5824586A (en) | 1986-12-11 |
ES555612A0 (es) | 1987-07-01 |
EP0204657A3 (en) | 1988-08-17 |
FI862336A0 (fi) | 1986-06-02 |
PH22895A (en) | 1989-01-19 |
DK259486A (da) | 1986-12-04 |
ZA864134B (en) | 1988-01-27 |
FI86183C (fi) | 1992-07-27 |
DK164060C (da) | 1992-09-28 |
ATA166985A (de) | 1987-03-15 |
IL78983A (en) | 1991-01-31 |
ES8706693A1 (es) | 1987-07-01 |
IE861440L (en) | 1986-12-03 |
AU602124B2 (en) | 1990-10-04 |
DE3688302D1 (de) | 1993-05-27 |
DK259486D0 (da) | 1986-06-02 |
ATE88476T1 (de) | 1993-05-15 |
DE3688302T2 (de) | 1993-10-21 |
JPH0649704B2 (ja) | 1994-06-29 |
IE59911B1 (en) | 1994-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20050523 |