BG25228A3 - A method of obtaining delta top 3-cephalosporinic esters - Google Patents
A method of obtaining delta top 3-cephalosporinic estersInfo
- Publication number
- BG25228A3 BG25228A3 BG7500031234A BG3123475A BG25228A3 BG 25228 A3 BG25228 A3 BG 25228A3 BG 7500031234 A BG7500031234 A BG 7500031234A BG 3123475 A BG3123475 A BG 3123475A BG 25228 A3 BG25228 A3 BG 25228A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- cephalosporinic
- esters
- obtaining delta
- delta
- obtaining
- Prior art date
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 |
---|---|---|---|
US471527A US3928333A (en) | 1974-05-20 | 1974-05-20 | Process for the preparation of 3 cephalosporin esters |
US05/471,528 US3933808A (en) | 1974-05-20 | 1974-05-20 | Cephalosporin esters |
Publications (1)
Publication Number | Publication Date |
---|---|
BG25228A3 true BG25228A3 (en) | 1978-08-10 |
Family
ID=27043469
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG7500031234A BG25228A3 (en) | 1974-05-20 | 1975-05-20 | A method of obtaining delta top 3-cephalosporinic esters |
BG7500030033A BG25096A3 (en) | 1974-05-20 | 1975-05-20 | A method of obtaining delta top 3-cephalosporine esters |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG7500030033A BG25096A3 (en) | 1974-05-20 | 1975-05-20 | A method of obtaining delta top 3-cephalosporine esters |
Country Status (13)
Country | Link |
---|---|
AR (1) | AR212321A1 (sv) |
AT (1) | AT340589B (sv) |
BG (2) | BG25228A3 (sv) |
CH (1) | CH601314A5 (sv) |
CS (1) | CS196272B2 (sv) |
DD (1) | DD120446A5 (sv) |
DK (1) | DK221875A (sv) |
ES (1) | ES437809A1 (sv) |
HU (1) | HU170561B (sv) |
PL (1) | PL103490B1 (sv) |
SE (1) | SE421701B (sv) |
SU (1) | SU731899A3 (sv) |
YU (1) | YU125575A (sv) |
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 YU YU01255/75A patent/YU125575A/xx unknown
- 1975-05-16 CH CH635475A patent/CH601314A5/de not_active IP Right Cessation
- 1975-05-17 PL PL1975180468A patent/PL103490B1/pl unknown
- 1975-05-19 SU SU752134779A patent/SU731899A3/ru active
- 1975-05-19 HU HUEI620A patent/HU170561B/hu unknown
- 1975-05-19 CS CS753481A patent/CS196272B2/cs unknown
- 1975-05-20 SE SE7505741A patent/SE421701B/sv unknown
- 1975-05-20 AR AR258878A patent/AR212321A1/es active
- 1975-05-20 BG BG7500031234A patent/BG25228A3/xx unknown
- 1975-05-20 DD DD186129A patent/DD120446A5/xx unknown
- 1975-05-20 BG BG7500030033A patent/BG25096A3/xx unknown
- 1975-05-20 ES ES437809A patent/ES437809A1/es not_active Expired
- 1975-05-20 DK DK221875A patent/DK221875A/da unknown
- 1975-05-20 AT AT381675A patent/AT340589B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE7505741L (sv) | 1975-11-21 |
CS196272B2 (en) | 1980-03-31 |
DK221875A (da) | 1975-11-21 |
HU170561B (sv) | 1977-07-28 |
PL103490B1 (pl) | 1979-06-30 |
YU125575A (en) | 1982-05-31 |
BG25096A3 (en) | 1978-07-12 |
AT340589B (de) | 1977-12-27 |
ES437809A1 (es) | 1977-04-01 |
SU731899A3 (ru) | 1980-04-30 |
ATA381675A (de) | 1977-04-15 |
AR212321A1 (es) | 1978-06-30 |
CH601314A5 (en) | 1978-07-14 |
SE421701B (sv) | 1982-01-25 |
DD120446A5 (sv) | 1976-06-12 |
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