DD120446A5 - - Google Patents
Info
- Publication number
- DD120446A5 DD120446A5 DD186129A DD18612975A DD120446A5 DD 120446 A5 DD120446 A5 DD 120446A5 DD 186129 A DD186129 A DD 186129A DD 18612975 A DD18612975 A DD 18612975A DD 120446 A5 DD120446 A5 DD 120446A5
- Authority
- DD
- German Democratic Republic
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
- C07D501/36—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 |
|---|---|
| DD120446A5 true DD120446A5 (enrdf_load_stackoverflow) | 1976-06-12 |
Family
ID=27043469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD186129A DD120446A5 (enrdf_load_stackoverflow) | 1974-05-20 | 1975-05-20 |
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 |
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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 |
| 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 |
| ES437809A1 (es) | 1977-04-01 |
| 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 |