ES478331A1 - Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. - Google Patents
Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina.Info
- Publication number
- ES478331A1 ES478331A1 ES478331A ES478331A ES478331A1 ES 478331 A1 ES478331 A1 ES 478331A1 ES 478331 A ES478331 A ES 478331A ES 478331 A ES478331 A ES 478331A ES 478331 A1 ES478331 A1 ES 478331A1
- Authority
- ES
- Spain
- Prior art keywords
- hydroxide
- bases
- sodium
- pyridol
- ethanolate
- 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
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
- C07D213/82—Amides; Imides in position 3
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/08—Antiallergic agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/49—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
- C07C205/57—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C205/59—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/61—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/89—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to the ring nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Plural Heterocyclic Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
Los compuestos forman sales aceptables en farmacia con bases. Ejemplos de estas bases son hidróxidos de metal alcalino, tal como hidróxido sódico, hidróxido potásico y similares; hidróxidos alcalinotérreos, tal como hidróxido cálcico, hidróxido de bario y similares; alcóxido de sodio, tal como etanolato sódico, etanolato potásico y similares; bases orgánicas tal como piperidina, dietilamina, N-metilglucamina y similares.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78093977A | 1977-03-24 | 1977-03-24 | |
| US87156478A | 1978-01-23 | 1978-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES478331A1 true ES478331A1 (es) | 1979-11-16 |
Family
ID=27119777
Family Applications (13)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES468126A Expired ES468126A1 (es) | 1977-03-24 | 1978-03-22 | Un procedimiento para la preparacion de nuevos derivados de pirido(2,1b) quinazolina |
| ES468127A Expired ES468127A1 (es) | 1977-03-24 | 1978-03-22 | Un procedimiento para la preparacion de nuevos derivados de pirido (2,1-b) quinazolina |
| ES478325A Expired ES478325A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478330A Expired ES478330A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478327A Expired ES478327A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478326A Expired ES478326A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478332A Expired ES478332A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478328A Expired ES478328A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478324A Expired ES478324A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478331A Expired ES478331A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478333A Expired ES478333A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478329A Expired ES478329A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina |
| ES478323A Expired ES478323A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
Family Applications Before (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES468126A Expired ES468126A1 (es) | 1977-03-24 | 1978-03-22 | Un procedimiento para la preparacion de nuevos derivados de pirido(2,1b) quinazolina |
| ES468127A Expired ES468127A1 (es) | 1977-03-24 | 1978-03-22 | Un procedimiento para la preparacion de nuevos derivados de pirido (2,1-b) quinazolina |
| ES478325A Expired ES478325A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478330A Expired ES478330A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478327A Expired ES478327A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478326A Expired ES478326A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478332A Expired ES478332A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478328A Expired ES478328A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478324A Expired ES478324A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES478333A Expired ES478333A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
| ES478329A Expired ES478329A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina |
| ES478323A Expired ES478323A1 (es) | 1977-03-24 | 1979-02-16 | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. |
Country Status (23)
| Country | Link |
|---|---|
| JP (2) | JPS53119896A (es) |
| AR (3) | AR218480A1 (es) |
| AT (2) | AT367050B (es) |
| AU (2) | AU521352B2 (es) |
| DE (2) | DE2812585A1 (es) |
| DK (2) | DK128878A (es) |
| ES (13) | ES468126A1 (es) |
| FI (2) | FI780917A7 (es) |
| FR (2) | FR2384770A1 (es) |
| GB (2) | GB1601991A (es) |
| GR (2) | GR73170B (es) |
| HU (1) | HU180782B (es) |
| IE (1) | IE46505B1 (es) |
| IL (2) | IL54326A (es) |
| IT (2) | IT1093710B (es) |
| LU (2) | LU79293A1 (es) |
| MC (2) | MC1186A1 (es) |
| NL (2) | NL7803112A (es) |
| NO (2) | NO781051L (es) |
| NZ (2) | NZ186760A (es) |
| PH (2) | PH13915A (es) |
| PT (2) | PT67820A (es) |
| SE (2) | SE7803419L (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557425C2 (de) | 1975-12-19 | 1987-03-19 | C.H. Boehringer Sohn, 6507 Ingelheim | 11-Oxo-11-H-pyrido[2,1-b]-chinazolin-2-carbonsäure und ihre Salze, Verfahren zu ihrer Herstellung und Arzneimittel |
| DE2845766A1 (de) * | 1978-10-18 | 1980-04-30 | Schering Ag | Pyrido eckige klammer auf 2,1-b eckige klammer zu -chinazolinon-derivate, ihre herstellung und verwendung |
| US4395549A (en) | 1981-10-02 | 1983-07-26 | Chinoin Gyogyszer Es Vegyeszeti Termekek Gyara Rt. | 6-Hydrazono-pyrido[2,1-b] quinazoline-11 ones |
| ES511866A0 (es) * | 1982-04-30 | 1983-06-01 | Lafarquim | "procedimiento de obtencion de 2-isopropil pirido (2-1-b) quinazolinas y sus sales no toxicas con actividad antianafilactica". |
| US4551460A (en) * | 1982-05-10 | 1985-11-05 | Hoffmann-La Roche Inc. | Pyrido[2,1-b]quinazoline derivatives useful as agents for treatment of allergic conditions and vascular disorders involving thrombosis |
| DE3300477A1 (de) * | 1983-01-08 | 1984-07-12 | Boehringer Ingelheim KG, 6507 Ingelheim | Neue heterocyclische verbindungen, ihre herstellung und verwendung |
| JPS62238264A (ja) * | 1986-04-04 | 1987-10-19 | Nippon Tokushu Noyaku Seizo Kk | ２−ハロ−５−アセチルピリジン |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4012387A (en) * | 1975-09-18 | 1977-03-15 | Warner-Lambert Company | Benzo-[g]pyrido[2,1-b]quinazolinones |
| US4033961A (en) * | 1975-10-07 | 1977-07-05 | Warner-Lambert Company | Pyrido[2-1-b]quinazolin-ones and their methods of preparation |
-
1978
- 1978-03-22 DE DE19782812585 patent/DE2812585A1/de not_active Withdrawn
- 1978-03-22 DK DK128878A patent/DK128878A/da not_active Application Discontinuation
- 1978-03-22 NO NO781051A patent/NO781051L/no unknown
- 1978-03-22 LU LU79293A patent/LU79293A1/de unknown
- 1978-03-22 NO NO781053A patent/NO781053L/no unknown
- 1978-03-22 NL NL7803112A patent/NL7803112A/xx not_active Application Discontinuation
- 1978-03-22 PH PH20917A patent/PH13915A/en unknown
- 1978-03-22 PH PH20918A patent/PH14130A/en unknown
- 1978-03-22 FR FR7808316A patent/FR2384770A1/fr active Granted
- 1978-03-22 ES ES468126A patent/ES468126A1/es not_active Expired
- 1978-03-22 NZ NZ186760A patent/NZ186760A/xx unknown
- 1978-03-22 IL IL54326A patent/IL54326A/xx unknown
- 1978-03-22 ES ES468127A patent/ES468127A1/es not_active Expired
- 1978-03-22 DK DK132778A patent/DK132778A/da not_active IP Right Cessation
- 1978-03-22 HU HU78HO2058A patent/HU180782B/hu unknown
- 1978-03-22 DE DE19782812586 patent/DE2812586A1/de not_active Withdrawn
- 1978-03-22 IL IL54328A patent/IL54328A/xx unknown
- 1978-03-22 NZ NZ186759A patent/NZ186759A/xx unknown
- 1978-03-22 FR FR7808317A patent/FR2384771A1/fr active Granted
- 1978-03-22 MC MC781292A patent/MC1186A1/fr unknown
- 1978-03-22 NL NL7803122A patent/NL7803122A/xx not_active Application Discontinuation
- 1978-03-22 LU LU79290A patent/LU79290A1/de unknown
- 1978-03-22 MC MC781291A patent/MC1185A1/fr unknown
- 1978-03-23 GB GB11705/78A patent/GB1601991A/en not_active Expired
- 1978-03-23 AT AT0210278A patent/AT367050B/de not_active IP Right Cessation
- 1978-03-23 AU AU34474/78A patent/AU521352B2/en not_active Expired
- 1978-03-23 FI FI780917A patent/FI780917A7/fi not_active Application Discontinuation
- 1978-03-23 GB GB11704/78A patent/GB1601371A/en not_active Expired
- 1978-03-23 GR GR55782A patent/GR73170B/el unknown
- 1978-03-23 SE SE7803419A patent/SE7803419L/xx unknown
- 1978-03-23 PT PT67820A patent/PT67820A/pt unknown
- 1978-03-23 GR GR55781A patent/GR72948B/el unknown
- 1978-03-23 SE SE7803418A patent/SE7803418L/xx unknown
- 1978-03-23 PT PT67821A patent/PT67821B/pt unknown
- 1978-03-23 AT AT0210478A patent/AT367051B/de not_active IP Right Cessation
- 1978-03-23 IT IT7821578A patent/IT1093710B/it active
- 1978-03-23 IE IE582/78A patent/IE46505B1/en unknown
- 1978-03-23 AU AU34475/78A patent/AU521096B2/en not_active Expired
- 1978-03-23 FI FI780918A patent/FI780918A7/fi not_active Application Discontinuation
- 1978-03-24 IT IT21655/78A patent/IT1095493B/it active
- 1978-03-24 JP JP3320578A patent/JPS53119896A/ja active Pending
- 1978-03-24 JP JP3400278A patent/JPS53119897A/ja active Pending
- 1978-03-27 AR AR271537A patent/AR218480A1/es active
- 1978-03-27 AR AR271538A patent/AR218060A1/es active
-
1979
- 1979-02-16 ES ES478325A patent/ES478325A1/es not_active Expired
- 1979-02-16 ES ES478330A patent/ES478330A1/es not_active Expired
- 1979-02-16 ES ES478327A patent/ES478327A1/es not_active Expired
- 1979-02-16 ES ES478326A patent/ES478326A1/es not_active Expired
- 1979-02-16 ES ES478332A patent/ES478332A1/es not_active Expired
- 1979-02-16 ES ES478328A patent/ES478328A1/es not_active Expired
- 1979-02-16 ES ES478324A patent/ES478324A1/es not_active Expired
- 1979-02-16 ES ES478331A patent/ES478331A1/es not_active Expired
- 1979-02-16 ES ES478333A patent/ES478333A1/es not_active Expired
- 1979-02-16 ES ES478329A patent/ES478329A1/es not_active Expired
- 1979-02-16 ES ES478323A patent/ES478323A1/es not_active Expired
- 1979-05-10 AR AR276467A patent/AR225415A1/es active
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU526160B2 (en) | Milbemycin compounds as anthelmintic agents | |
| AU590145B2 (en) | Intermediates for the production of halogenated protease inhibitors | |
| ES478331A1 (es) | Un procedimiento para la preparacion de nuevos derivados de pirido 2,1-b quinazolina. | |
| ES459405A1 (es) | Un procedimiento para la preparacion de un compuesto de pi- perazinilpirazina. | |
| SE7707689L (sv) | 2-brom-6-fluor-n-2-imidazolidinylidenbensamin dess syraadditionssalter, lekemedel innehallande dessa och forfarande for framstellning derav | |
| ES466590A1 (es) | Un procedimiento para la preparacion de derivados de oxadia-zolopirimidina. | |
| SE7609495L (sv) | N-tetrahydrofurfuryl-noroximorfon, dess syraadditionssalter, lekemedel innehallande dessa samt forfarande for framstellning derav | |
| ES459494A1 (es) | Procedimiento de preparacion de hidrox-alfa-aminobencilpeni-cilina. | |
| ES429871A1 (es) | Procedimiento de preparacion de derivados 1, 3-benzodioxol. | |
| SE7513640L (sv) | Forfarande for framstellning av 6-metyl-8-(substituerade) metylerogoliner | |
| ES449068A1 (es) | Procedimiento para preparar derivados de isoxazol. | |
| ES482949A1 (es) | Un procedimiento para la preparacion de compuestos derivadosde piridoxina | |
| IT7829711A0 (it) | Procedimento per la preparazione di composti organici dello stagno. | |
| AR215308A1 (es) | Procedimiento para producir el compuesto antibiotico 64,192 | |
| ES423586A1 (es) | Procedimiento para preparar derivados de ditiino (1,4) (2,3-c) pirrol. | |
| GB1294776A (en) | A process for the manufacture of benzodiazepine derivatives | |
| ES8101603A1 (es) | Un procedimiento para la preparacion de derivados de penici-lina o de cefalosporina | |
| GB2001531A (en) | Organic compounds | |
| JPS5259186A (en) | Preparation of 3-cephem compounds by reduction | |
| GR74870B (es) | ||
| JPS53127466A (en) | Thiocarbamate type heterocyclic compounds and its preparation | |
| ES454469A1 (es) | Un procedimiento de produccion de derivados de 7-(4-carboxi-butiramido)-7-metoxicefalosporina. | |
| ES364640A1 (es) | Procedimiento para la obtencion de derivados del acido ada-mantil 1-carboxilico con diversos compuestos utiles como a- nalgesicos-antiinflamatorios. | |
| ES458006A1 (es) | Procedimiento para la obtencion de nuevos derivados cefalos-poranicos. | |
| ES458005A1 (es) | Procedimiento para la obtencion de nuevas sales de antibio- ticos cefalosporanicos. |