PL94023B1 - - Google Patents
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- Publication number
- PL94023B1 PL94023B1 PL17658074A PL17658074A PL94023B1 PL 94023 B1 PL94023 B1 PL 94023B1 PL 17658074 A PL17658074 A PL 17658074A PL 17658074 A PL17658074 A PL 17658074A PL 94023 B1 PL94023 B1 PL 94023B1
- Authority
- PL
- Poland
- Prior art keywords
- acid
- esters
- cephalosporins
- phosphorus pentachloride
- ester
- 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
- C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17658074A PL94023B1 (ja) | 1974-12-18 | 1974-12-18 | |
DE19752556615 DE2556615C2 (de) | 1974-12-18 | 1975-12-16 | Verfahren zur Herstellung von 7-Aminodesacetoxycephalosporansäure |
BE162889A BE836815A (fr) | 1974-12-18 | 1975-12-18 | Procede de preparation d'acide-7- aminodesacetoxycephalospopanique et produit obtenu par la mise en oeuvre de ce procede |
JP50150240A JPS5191286A (en) | 1974-12-18 | 1975-12-18 | 77 aminodeasetokishisefuarosuhoransanno seiho |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17658074A PL94023B1 (ja) | 1974-12-18 | 1974-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
PL94023B1 true PL94023B1 (ja) | 1977-07-30 |
Family
ID=19970160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL17658074A PL94023B1 (ja) | 1974-12-18 | 1974-12-18 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5191286A (ja) |
BE (1) | BE836815A (ja) |
DE (1) | DE2556615C2 (ja) |
PL (1) | PL94023B1 (ja) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5035079B1 (ja) * | 1970-10-17 | 1975-11-13 | ||
BE787618A (fr) * | 1971-08-17 | 1973-02-16 | Gist Brocades Nv | Procede pour preparer des composes heterocycliques |
DE2243242A1 (de) * | 1972-09-02 | 1974-03-28 | Hoechst Ag | Verfahren zur herstellung von 7-amino3-cephem-4-carbonsaeurederivaten |
PL98296B1 (pl) * | 1973-02-07 | 1978-04-29 | Politechnika Gdanskapo | Sposob otrzymywania estrow acetoksymetylowych cefalosporyn |
-
1974
- 1974-12-18 PL PL17658074A patent/PL94023B1/pl unknown
-
1975
- 1975-12-16 DE DE19752556615 patent/DE2556615C2/de not_active Expired
- 1975-12-18 JP JP50150240A patent/JPS5191286A/ja active Granted
- 1975-12-18 BE BE162889A patent/BE836815A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE836815A (fr) | 1976-04-16 |
DE2556615A1 (de) | 1976-07-01 |
JPS5191286A (en) | 1976-08-10 |
JPS552433B2 (ja) | 1980-01-19 |
DE2556615C2 (de) | 1981-12-17 |
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