ES437809A1 - Mejoras introducidas en un procedimiento para preparar un ester de cefalosporina. - Google Patents
Mejoras introducidas en un procedimiento para preparar un ester de cefalosporina.Info
- Publication number
- ES437809A1 ES437809A1 ES437809A ES437809A ES437809A1 ES 437809 A1 ES437809 A1 ES 437809A1 ES 437809 A ES437809 A ES 437809A ES 437809 A ES437809 A ES 437809A ES 437809 A1 ES437809 A1 ES 437809A1
- Authority
- ES
- Spain
- Prior art keywords
- formula
- ester
- thio
- methyl
- acid
- 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
- 150000002148 esters Chemical class 0.000 title abstract 3
- 238000000034 method Methods 0.000 title 1
- -1 cephalosporin ester Chemical class 0.000 abstract 10
- 239000002253 acid Substances 0.000 abstract 4
- 229930186147 Cephalosporin Natural products 0.000 abstract 2
- 229940124587 cephalosporin Drugs 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 2
- 125000002861 (C1-C4) alkanoyl group Chemical group 0.000 abstract 1
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
- 102100036466 Delta-like protein 3 Human genes 0.000 abstract 1
- 101710112748 Delta-like protein 3 Proteins 0.000 abstract 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 abstract 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 abstract 1
- 150000001450 anions Chemical class 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Chemical group 0.000 abstract 1
- 150000001780 cephalosporins Chemical class 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 125000001309 chloro group Chemical group Cl* 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 239000012442 inert solvent Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 abstract 1
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
- C07D501/36—Methylene radicals, substituted by sulfur atoms
-
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/471,528 US3933808A (en) | 1974-05-20 | 1974-05-20 | Cephalosporin esters |
| US471527A US3928333A (en) | 1974-05-20 | 1974-05-20 | Process for the preparation of 3 cephalosporin esters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES437809A1 true ES437809A1 (es) | 1977-04-01 |
Family
ID=27043469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES437809A Expired ES437809A1 (es) | 1974-05-20 | 1975-05-20 | Mejoras introducidas en un procedimiento para preparar un ester de cefalosporina. |
Country Status (13)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1190897B (it) * | 1982-06-29 | 1988-02-24 | Opos Biochimica Srl | Procedimento per la preparazione dell'estere 1-etossicarbonilossietilico dell'acido 6-(d(-)-alfa aminoalfa fenilacetamido)-penicillanico |
| US4606865A (en) * | 1982-09-20 | 1986-08-19 | Astra Lakemedel Aktiebolag | Methods for the preparation of α-bromodiethylcarbonate |
-
1975
- 1975-05-16 CH CH635475A patent/CH601314A5/de not_active IP Right Cessation
- 1975-05-16 YU YU01255/75A patent/YU125575A/xx unknown
- 1975-05-17 PL PL1975180468A patent/PL103490B1/pl unknown
- 1975-05-19 CS CS753481A patent/CS196272B2/cs unknown
- 1975-05-19 SU SU752134779A patent/SU731899A3/ru active
- 1975-05-19 HU HUEI620A patent/HU170561B/hu unknown
- 1975-05-20 AT AT381675A patent/AT340589B/de not_active IP Right Cessation
- 1975-05-20 ES ES437809A patent/ES437809A1/es not_active Expired
- 1975-05-20 DK DK221875A patent/DK221875A/da unknown
- 1975-05-20 BG BG031234A patent/BG25228A3/xx unknown
- 1975-05-20 AR AR258878A patent/AR212321A1/es active
- 1975-05-20 SE SE7505741A patent/SE421701B/xx unknown
- 1975-05-20 DD DD186129A patent/DD120446A5/xx unknown
- 1975-05-20 BG BG030033A patent/BG25096A3/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BG25228A3 (en) | 1978-08-10 |
| DD120446A5 (enrdf_load_stackoverflow) | 1976-06-12 |
| BG25096A3 (en) | 1978-07-12 |
| CS196272B2 (en) | 1980-03-31 |
| SU731899A3 (ru) | 1980-04-30 |
| DK221875A (da) | 1975-11-21 |
| PL103490B1 (pl) | 1979-06-30 |
| CH601314A5 (en) | 1978-07-14 |
| AR212321A1 (es) | 1978-06-30 |
| SE421701B (sv) | 1982-01-25 |
| YU125575A (en) | 1982-05-31 |
| ATA381675A (de) | 1977-04-15 |
| AT340589B (de) | 1977-12-27 |
| SE7505741L (sv) | 1975-11-21 |
| HU170561B (enrdf_load_stackoverflow) | 1977-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES8103743A1 (es) | Un metodo para la preparacion de derivados de ftalimidina | |
| ES427859A1 (es) | Un procedimiento para la preparacion de compuestos de cefa-losporina. | |
| IE33465B1 (en) | Reduction of delta 3 - cephalosporin sulfoxides | |
| ES437809A1 (es) | Mejoras introducidas en un procedimiento para preparar un ester de cefalosporina. | |
| ES429619A1 (es) | Procedimiento para preparar esteres de acidos o-etil-s-n- propil-o-(piridaz-(6)-on-(3)-il)-tionotiolfosforicos. | |
| ES368534A1 (es) | Procedimiento para la preparacion de nuevos derivados de laimidazolinona. | |
| ES325261A1 (es) | Procedimiento para la produccion de esteroides. | |
| ES454280A1 (es) | Procedimiento para preparar 1-(2-(beta-naftiloxi)-etil)-3-metilpirazolona-(5). | |
| ES449777A1 (es) | Un procedimiento para la preparacion de n-(5-tetrazolil)-pi-rimido (1, 2-a) quinolin-2-carboxamidas. | |
| ES323154A1 (es) | Procedimiento para la preparacion de nuevos derivados de esteres de acido fosforico. | |
| ES446132A1 (es) | Un procedimiento para la preparacion de nuevos derivados de acido 2-alquil (inferior)-2 o 3-cefem-4-carboxilico. | |
| GB1462098A (en) | Thiophosphonic acid ester derivatives having pesticidal properties | |
| GB1144063A (en) | Preparation of chloro-alcohols by direct chlorination | |
| ES420843A1 (es) | Preparar derivados de quinoleina. | |
| ES417353A1 (es) | Procedimiento para preparar derivados de quinoleina. | |
| ES418482A1 (es) | Procedimiento de preparacion de 2-sustituidos-1,3,4-tiadia-zol-5-tioles. | |
| ES438894A1 (es) | Procedimiento de obtencion de los esteres de hidroxibencil- cefalosporinas y sus sales. | |
| ES373302A1 (es) | Procedimiento para la obtencion de quinoxalin-di-n-oxido- lactonas. | |
| GB1110725A (en) | Process for preparing cyloheptimidazolinium halides | |
| ES399425A3 (es) | Un procedimiento para la preparacion de penicilinas semi- sinteticas. | |
| ES380684A1 (es) | Procedimiento para la preparacion de compuestos de v-tria- zol conteniendo halogeno. | |
| ES360859A1 (es) | Procedimiento para la preparacion de nuevos derivados de tiazepina. | |
| GB977334A (en) | Substituted quinolines | |
| ES472156A1 (es) | Un procedimiento para la preparacion de derivados de n-gli- cosidicos de halometilpirazoles. | |
| ES262783A1 (es) | Procedimiento de obtenciën de derivados de fentiazina |