SG64928A1 - Process for the preparation of cephalosporins - Google Patents
Process for the preparation of cephalosporinsInfo
- Publication number
- SG64928A1 SG64928A1 SG1996009474A SG1996009474A SG64928A1 SG 64928 A1 SG64928 A1 SG 64928A1 SG 1996009474 A SG1996009474 A SG 1996009474A SG 1996009474 A SG1996009474 A SG 1996009474A SG 64928 A1 SG64928 A1 SG 64928A1
- Authority
- SG
- Singapore
- Prior art keywords
- cephalosporins
- preparation
- cephalosporin
- hydroxymethyl
- dioxycarbenium
- 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
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0214393A AT401177B (de) | 1993-10-22 | 1993-10-22 | Verfahren zur herstellung von 7-amino-3-cephem-4-carbonsäure-derivaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG64928A1 true SG64928A1 (en) | 1999-05-25 |
Family
ID=3528693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG1996009474A SG64928A1 (en) | 1993-10-22 | 1994-10-21 | Process for the preparation of cephalosporins |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5597914A (xx) |
| EP (2) | EP0649849B1 (xx) |
| JP (1) | JP2875170B2 (xx) |
| KR (1) | KR100331251B1 (xx) |
| CN (2) | CN1050842C (xx) |
| AT (2) | AT401177B (xx) |
| DE (1) | DE69426006T2 (xx) |
| DK (1) | DK0649849T3 (xx) |
| ES (1) | ES2151525T3 (xx) |
| GR (1) | GR3034813T3 (xx) |
| PT (1) | PT649849E (xx) |
| SG (1) | SG64928A1 (xx) |
| SI (1) | SI0649849T1 (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030135041A1 (en) * | 2002-01-04 | 2003-07-17 | Orchid Chemicals & Pharmaceuticals Limited, India | Synthesis of ceftiofur intermediate |
| AR090964A1 (es) | 2012-05-09 | 2014-12-17 | Novartis Ag | Proceso para la elaboracion de undecapeptidos ciclicos |
| EP3426663B1 (en) | 2016-03-07 | 2020-01-29 | Dhanuka Laboratories Ltd. | A process for alkylating the hydroxymethyl group at position -3 of cephalosporins |
Family Cites Families (11)
| 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 |
| GB1241657A (en) * | 1967-08-21 | 1971-08-04 | Glaxo Lab Ltd | Improvements in or relating to cephalosporin compounds |
| JPS57192392A (en) * | 1981-05-19 | 1982-11-26 | Sankyo Co Ltd | Production of 3-alkoxymethylcephalosporin |
| 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 |
| AT384222B (de) * | 1985-06-03 | 1987-10-12 | Biochemie Gmbh | Verfahren zur herstellung von 7-amino-3alkoxymethyl-3-cephem-4-carbonsaeuren |
| DE3789412T2 (de) * | 1986-10-02 | 1994-06-30 | Asahi Chemical Ind | Verfahren zur Herstellung von 3-Alkoxymethylcephalosporinen. |
| JPS63115887A (ja) * | 1986-11-04 | 1988-05-20 | Asahi Chem Ind Co Ltd | ７−アミノ−３−アルコキシメチルセフアロスポリン類の製造方法 |
| 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 |
| DK0485204T3 (da) * | 1990-11-07 | 1995-10-16 | Sankyo Co | Fremgangsmåde til fremstilling af 3-alkoxymethyl-cephalosporin-derivater |
| US5221739A (en) * | 1992-01-09 | 1993-06-22 | Eli Lilly And Company | Acetylation of 3-hydroxymethyl cephalosporins |
-
1993
- 1993-10-22 AT AT0214393A patent/AT401177B/de not_active IP Right Cessation
-
1994
- 1994-10-20 US US08/326,578 patent/US5597914A/en not_active Expired - Lifetime
- 1994-10-21 JP JP6256556A patent/JP2875170B2/ja not_active Expired - Lifetime
- 1994-10-21 CN CN94117486A patent/CN1050842C/zh not_active Expired - Lifetime
- 1994-10-21 KR KR1019940026936A patent/KR100331251B1/ko not_active IP Right Cessation
- 1994-10-21 AT AT94116660T patent/ATE196632T1/de not_active IP Right Cessation
- 1994-10-21 DK DK94116660T patent/DK0649849T3/da active
- 1994-10-21 SG SG1996009474A patent/SG64928A1/en unknown
- 1994-10-21 SI SI9430351T patent/SI0649849T1/xx unknown
- 1994-10-21 DE DE69426006T patent/DE69426006T2/de not_active Expired - Fee Related
- 1994-10-21 ES ES94116660T patent/ES2151525T3/es not_active Expired - Lifetime
- 1994-10-21 EP EP94116660A patent/EP0649849B1/en not_active Expired - Lifetime
- 1994-10-21 EP EP98124140A patent/EP0908461A1/en not_active Withdrawn
- 1994-10-21 PT PT94116660T patent/PT649849E/pt unknown
-
1998
- 1998-12-29 CN CN98126583A patent/CN1245172A/zh active Pending
-
2000
- 2000-11-10 GR GR20000402500T patent/GR3034813T3/el not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| PT649849E (pt) | 2001-02-28 |
| DE69426006D1 (de) | 2000-11-02 |
| CN1050842C (zh) | 2000-03-29 |
| DE69426006T2 (de) | 2001-05-17 |
| GR3034813T3 (en) | 2001-02-28 |
| ATE196632T1 (de) | 2000-10-15 |
| JPH07149767A (ja) | 1995-06-13 |
| US5597914A (en) | 1997-01-28 |
| CN1245172A (zh) | 2000-02-23 |
| ATA214393A (de) | 1995-11-15 |
| CN1106409A (zh) | 1995-08-09 |
| AT401177B (de) | 1996-07-25 |
| EP0649849A1 (en) | 1995-04-26 |
| KR950011449A (ko) | 1995-05-15 |
| ES2151525T3 (es) | 2001-01-01 |
| SI0649849T1 (en) | 2001-06-30 |
| JP2875170B2 (ja) | 1999-03-24 |
| DK0649849T3 (da) | 2000-12-18 |
| EP0908461A1 (en) | 1999-04-14 |
| KR100331251B1 (ko) | 2002-11-16 |
| EP0649849B1 (en) | 2000-09-27 |
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