SE7505741L - PROCEDURE FOR THE PREPARATION OF DELTA3 CEPHALOSPORINE STARS. - Google Patents
PROCEDURE FOR THE PREPARATION OF DELTA3 CEPHALOSPORINE STARS.Info
- Publication number
- SE7505741L SE7505741L SE7505741A SE7505741A SE7505741L SE 7505741 L SE7505741 L SE 7505741L SE 7505741 A SE7505741 A SE 7505741A SE 7505741 A SE7505741 A SE 7505741A SE 7505741 L SE7505741 L SE 7505741L
- Authority
- SE
- Sweden
- Prior art keywords
- delta3
- cephalosporine
- stars
- procedure
- preparation
- 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 |
---|---|---|---|
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 (2)
Publication Number | Publication Date |
---|---|
SE7505741L true SE7505741L (en) | 1975-11-21 |
SE421701B SE421701B (en) | 1982-01-25 |
Family
ID=27043469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7505741A SE421701B (en) | 1974-05-20 | 1975-05-20 | PROCEDURE FOR THE PREPARATION OF DELTA? 723-CEPHALOSPORINESTERS |
Country Status (13)
Country | Link |
---|---|
AR (1) | AR212321A1 (en) |
AT (1) | AT340589B (en) |
BG (2) | BG25096A3 (en) |
CH (1) | CH601314A5 (en) |
CS (1) | CS196272B2 (en) |
DD (1) | DD120446A5 (en) |
DK (1) | DK221875A (en) |
ES (1) | ES437809A1 (en) |
HU (1) | HU170561B (en) |
PL (1) | PL103490B1 (en) |
SE (1) | SE421701B (en) |
SU (1) | SU731899A3 (en) |
YU (1) | YU125575A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4606865A (en) * | 1982-09-20 | 1986-08-19 | Astra Lakemedel Aktiebolag | Methods for the preparation of α-bromodiethylcarbonate |
US4619785A (en) * | 1982-06-29 | 1986-10-28 | Astra Lakemedel Aktiebolag | Novel synthesis route for bacampicillin |
-
1975
- 1975-05-16 CH CH635475A patent/CH601314A5/en not_active IP Right Cessation
- 1975-05-16 YU YU01255/75A patent/YU125575A/en unknown
- 1975-05-17 PL PL1975180468A patent/PL103490B1/en unknown
- 1975-05-19 CS CS753481A patent/CS196272B2/en unknown
- 1975-05-19 SU SU752134779A patent/SU731899A3/en active
- 1975-05-19 HU HUEI620A patent/HU170561B/hu unknown
- 1975-05-20 AT AT381675A patent/AT340589B/en not_active IP Right Cessation
- 1975-05-20 AR AR258878A patent/AR212321A1/en active
- 1975-05-20 BG BG030033A patent/BG25096A3/en unknown
- 1975-05-20 DK DK221875A patent/DK221875A/en unknown
- 1975-05-20 ES ES437809A patent/ES437809A1/en not_active Expired
- 1975-05-20 BG BG031234A patent/BG25228A3/en unknown
- 1975-05-20 SE SE7505741A patent/SE421701B/en unknown
- 1975-05-20 DD DD186129A patent/DD120446A5/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4619785A (en) * | 1982-06-29 | 1986-10-28 | Astra Lakemedel Aktiebolag | Novel synthesis route for bacampicillin |
US4606865A (en) * | 1982-09-20 | 1986-08-19 | Astra Lakemedel Aktiebolag | Methods for the preparation of α-bromodiethylcarbonate |
US4820857A (en) * | 1982-09-20 | 1989-04-11 | Astra Lakemedel Aktiebolag | α-bromodiethylcarbonate |
Also Published As
Publication number | Publication date |
---|---|
BG25228A3 (en) | 1978-08-10 |
DK221875A (en) | 1975-11-21 |
SE421701B (en) | 1982-01-25 |
YU125575A (en) | 1982-05-31 |
BG25096A3 (en) | 1978-07-12 |
ES437809A1 (en) | 1977-04-01 |
CH601314A5 (en) | 1978-07-14 |
SU731899A3 (en) | 1980-04-30 |
ATA381675A (en) | 1977-04-15 |
AT340589B (en) | 1977-12-27 |
DD120446A5 (en) | 1976-06-12 |
HU170561B (en) | 1977-07-28 |
CS196272B2 (en) | 1980-03-31 |
PL103490B1 (en) | 1979-06-30 |
AR212321A1 (en) | 1978-06-30 |
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