ES8106532A1 - Procedimiento para producir 7alfa-metoxicefalosporinas y si-milares - Google Patents
Procedimiento para producir 7alfa-metoxicefalosporinas y si-milaresInfo
- Publication number
- ES8106532A1 ES8106532A1 ES494868A ES494868A ES8106532A1 ES 8106532 A1 ES8106532 A1 ES 8106532A1 ES 494868 A ES494868 A ES 494868A ES 494868 A ES494868 A ES 494868A ES 8106532 A1 ES8106532 A1 ES 8106532A1
- Authority
- ES
- Spain
- Prior art keywords
- carboxylic acid
- methanol
- alkali metal
- metal salt
- reaction
- 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
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 9
- -1 cephalosporin compound Chemical class 0.000 abstract 5
- 229910052783 alkali metal Inorganic materials 0.000 abstract 3
- 150000001875 compounds Chemical class 0.000 abstract 3
- 150000001735 carboxylic acids Chemical group 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 230000002140 halogenating effect Effects 0.000 abstract 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract 1
- 229930186147 Cephalosporin Natural products 0.000 abstract 1
- 239000003242 anti bacterial agent Substances 0.000 abstract 1
- 229940088710 antibiotic agent Drugs 0.000 abstract 1
- 229940124587 cephalosporin Drugs 0.000 abstract 1
- 235000019253 formic acid Nutrition 0.000 abstract 1
- 229910052736 halogen Inorganic materials 0.000 abstract 1
- 150000002367 halogens Chemical class 0.000 abstract 1
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract 1
- 239000012442 inert solvent Substances 0.000 abstract 1
- 125000006239 protecting group Chemical group 0.000 abstract 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE 7-ALFA-METOXICEFALOSPORINAS Y SIMILARES, SUS ESTERES, SALES Y AMIDAS, DE FORMULA (I), EN LA QUE R2 ES UN RADICAL HIDROCARBONADO Y A PUEDE SER UNO DE VARIOS TIPOS RADICALES. SE BASA EN LA REACCION DE UN COMPUESTO DE FORMULA (II), EN LA QUE R2 Y A SON LOS MISMOS QUE EN LA FORMULA (I), O SUS ESTERES, SALES O AMIDAS, CON UN AGENTE HALOGENANTE, EN PRESENCIA DE UN GRAN EXCESO DE METANOL Y DE DOS A DIEZ VECES LA CANTIDAD EQUIMOLECULAR DE UNA SAL DE METAL ALCALINO DE METANOL, A UNA TEMPERATURA COMPRENDIDA ENTRE -95 Y -10 GC. EL COMPUESTO DE FORMULA (I) SE PUEDE HACER REACCIONAR CON UN TIOL DE FORMULA R1-SH O SUS SALES, EN LA QUE R1 PUEDE SER UNO DE VARIOS RADICALES, EN PRESENCIA DE UNA BASE, EN UN DISOLVENTE INERTE, A TEMPERATURA AMBIENTE O INFERIORES, PARA OBTENER UN COMPUESTO DE FORMULA (III). ESTOS COMPUESTOS TIENEN APLICACIONES FARMACOLOGICAS COMO AGENTES ANTIMICROBIANOS. *FORMULA*
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10680779A JPS5630987A (en) | 1979-08-21 | 1979-08-21 | Preparation of 7alpha-methoxycephalosporin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8106532A1 true ES8106532A1 (es) | 1981-09-01 |
| ES494868A0 ES494868A0 (es) | 1981-09-01 |
Family
ID=14443116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES494868A Granted ES494868A0 (es) | 1979-08-21 | 1980-08-20 | Procedimiento para producir 7alfa-metoxicefalosporinas y si-milares |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5630987A (es) |
| CA (1) | CA1152980A (es) |
| ES (1) | ES494868A0 (es) |
| HU (1) | HU184815B (es) |
| IT (1) | IT1146168B (es) |
-
1979
- 1979-08-21 JP JP10680779A patent/JPS5630987A/ja active Granted
-
1980
- 1980-08-14 CA CA000358275A patent/CA1152980A/en not_active Expired
- 1980-08-19 HU HU802068A patent/HU184815B/hu unknown
- 1980-08-19 IT IT49520/80A patent/IT1146168B/it active
- 1980-08-20 ES ES494868A patent/ES494868A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1152980A (en) | 1983-08-30 |
| ES494868A0 (es) | 1981-09-01 |
| IT1146168B (it) | 1986-11-12 |
| JPS5630987A (en) | 1981-03-28 |
| HU184815B (en) | 1984-10-29 |
| JPH0231080B2 (es) | 1990-07-11 |
| IT8049520A0 (it) | 1980-08-19 |
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