ES8103103A1 - Un procedimiento para la preparacion de un antibiotico de cefalosporina. - Google Patents
Un procedimiento para la preparacion de un antibiotico de cefalosporina.Info
- Publication number
- ES8103103A1 ES8103103A1 ES488847A ES488847A ES8103103A1 ES 8103103 A1 ES8103103 A1 ES 8103103A1 ES 488847 A ES488847 A ES 488847A ES 488847 A ES488847 A ES 488847A ES 8103103 A1 ES8103103 A1 ES 8103103A1
- Authority
- ES
- Spain
- Prior art keywords
- compounds
- formula
- pyridazinium
- ceph
- aminothiazol
- 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
- C07D501/24—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
- C07D501/38—Methylene radicals, substituted by nitrogen atoms; Lactams thereof with the 2-carboxyl group; Methylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atom; Quaternary compounds thereof
- C07D501/46—Methylene radicals, substituted by nitrogen atoms; Lactams thereof with the 2-carboxyl group; Methylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atom; Quaternary compounds thereof with the 7-amino radical acylated by carboxylic acids containing hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE UN ANTIBIOTICO DE CEFALOSPORINA DE FORMULA (I), DONDE RA Y RB SON, CADA UNO, UN GRUPO ALCOHILO INERIOR, O BIEN JUNTO CON EL ATOMO DE CARBONO AL QUE ESTAN ENLAZADOS FORMAN UN CICLOALCOHILIDENO DE HASTA 7 ATOMOS DE CARBONO, Y DE SUS SALES Y ESTERES METABOLICAMENTE LABILES NO TOXICOS. EL PROCEDIMIENTO DE OBTENCION COMPRENDE LA ACILACION DE UN COMPUESTO DE FORMULA (II); DONDE B ES > S O > S FLECHA O, UNA SAL DE ADICION DE ACIDO U OTRO COMPUESTO ESPECIFICO; CON EL ACIDO ADECUADO EN CADA CASO. A CONTINUACION SE PUEDEN EFECTUAR, OPCIONALMENTE, LAS SIGUIENTES OPERACIONES; CONVERSION ISOMERICA, REDUCCION, CONVERSION DE UN GRUPO CARBOXILO EN UNA SAL NO TOXICA O EN ESTER NO TOXICO, PERO METABOLICAMENTE LABIL, Y SEPARACION DE CUALQUIER GRUPO DE BLOQUEO DEL CARBOXILO Y/O PROTECTOR DE N. ESTOS COMPUESTOS TIENE PROPIEDADES ANTIBIOTICAS Y PRESENTAN ESPECIAL ACTIVIDAD CONTRA CEPAS DE DIVERSION ORGANISMOS PSEUDOMONAS. *FORMULA*. B
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7906479 | 1979-02-23 | ||
GB7906478 | 1979-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES488847A0 ES488847A0 (es) | 1981-02-16 |
ES8103103A1 true ES8103103A1 (es) | 1981-02-16 |
Family
ID=26270675
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES488847A Expired ES8103103A1 (es) | 1979-02-23 | 1980-02-22 | Un procedimiento para la preparacion de un antibiotico de cefalosporina. |
ES488848A Granted ES488848A0 (es) | 1979-02-23 | 1980-02-22 | Un procedimiento para la preparacion de un antibiotico de cefalosporina. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES488848A Granted ES488848A0 (es) | 1979-02-23 | 1980-02-22 | Un procedimiento para la preparacion de un antibiotico de cefalosporina. |
Country Status (15)
Country | Link |
---|---|
US (1) | US4427675A (es) |
AT (1) | AT367766B (es) |
AU (1) | AU536966B2 (es) |
CA (1) | CA1144156A (es) |
CH (1) | CH649298A5 (es) |
DE (1) | DE3006777A1 (es) |
DK (1) | DK78580A (es) |
ES (2) | ES8103103A1 (es) |
FR (1) | FR2449692A1 (es) |
GB (1) | GB2043641B (es) |
IE (1) | IE49275B1 (es) |
IT (1) | IT1145356B (es) |
NL (1) | NL8001087A (es) |
NZ (1) | NZ192943A (es) |
SE (1) | SE8001423L (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ198350A (en) * | 1980-09-25 | 1985-02-28 | Toyama Chemical Co Ltd | Cephalosporins and intermediates;pharmaceutical compositions |
US4336253A (en) | 1981-03-11 | 1982-06-22 | Eli Lilly And Company | Cephalosporin antibiotics |
DE3279470D1 (en) * | 1981-04-03 | 1989-04-06 | Fujisawa Pharmaceutical Co | New cephem compounds, processes for their preparation, pharmaceutical compositions containing them and their starting compounds |
US4388316A (en) | 1981-10-02 | 1983-06-14 | Eli Lilly And Company | Amino-substituted oxazole, oxadiazole and isoxazole-substituted cephalosporins |
US4401668A (en) * | 1981-10-02 | 1983-08-30 | Eli Lilly And Company | Pyrazinium substituted cephalosporins |
DE3336757A1 (de) * | 1983-10-08 | 1985-04-25 | Hoechst Ag, 6230 Frankfurt | Cephalosporinderivate und verfahren zu ihrer herstellung |
US4788185A (en) * | 1984-04-23 | 1988-11-29 | Takeda Chemical Industries, Ltd. | Cephalosporin compounds |
CN86107947A (zh) * | 1985-11-22 | 1987-05-27 | 藤沢药品工业株式会社 | 新的头孢烯化合物及其制备方法 |
-
1980
- 1980-02-22 AU AU55824/80A patent/AU536966B2/en not_active Ceased
- 1980-02-22 ES ES488847A patent/ES8103103A1/es not_active Expired
- 1980-02-22 IT IT47986/80A patent/IT1145356B/it active
- 1980-02-22 GB GB8006141A patent/GB2043641B/en not_active Expired
- 1980-02-22 DE DE19803006777 patent/DE3006777A1/de not_active Withdrawn
- 1980-02-22 SE SE8001423A patent/SE8001423L/ not_active Application Discontinuation
- 1980-02-22 DK DK78580A patent/DK78580A/da not_active Application Discontinuation
- 1980-02-22 NZ NZ192943A patent/NZ192943A/xx unknown
- 1980-02-22 CH CH1457/80A patent/CH649298A5/de not_active IP Right Cessation
- 1980-02-22 FR FR8003912A patent/FR2449692A1/fr active Granted
- 1980-02-22 ES ES488848A patent/ES488848A0/es active Granted
- 1980-02-22 AT AT0100380A patent/AT367766B/de not_active IP Right Cessation
- 1980-02-22 IE IE363/80A patent/IE49275B1/en unknown
- 1980-02-22 CA CA000346275A patent/CA1144156A/en not_active Expired
- 1980-02-22 NL NL8001087A patent/NL8001087A/nl not_active Application Discontinuation
-
1981
- 1981-09-29 US US06/306,729 patent/US4427675A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IE49275B1 (en) | 1985-09-04 |
FR2449692B1 (es) | 1983-09-09 |
NL8001087A (nl) | 1980-08-26 |
AU5582480A (en) | 1980-08-28 |
GB2043641A (en) | 1980-10-08 |
AT367766B (de) | 1982-07-26 |
SE8001423L (sv) | 1980-08-24 |
DK78580A (da) | 1980-08-24 |
FR2449692A1 (fr) | 1980-09-19 |
IE800363L (en) | 1980-08-23 |
IT1145356B (it) | 1986-11-05 |
NZ192943A (en) | 1982-12-21 |
ES488847A0 (es) | 1981-02-16 |
IT8047986A0 (it) | 1980-02-22 |
GB2043641B (en) | 1983-07-20 |
US4427675A (en) | 1984-01-24 |
DE3006777A1 (de) | 1980-09-04 |
ATA100380A (de) | 1981-12-15 |
CA1144156A (en) | 1983-04-05 |
CH649298A5 (de) | 1985-05-15 |
ES8103104A1 (es) | 1981-02-16 |
AU536966B2 (en) | 1984-05-31 |
ES488848A0 (es) | 1981-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19971001 |