FR2334684B1 - - Google Patents
Info
- Publication number
- FR2334684B1 FR2334684B1 FR7701590A FR7701590A FR2334684B1 FR 2334684 B1 FR2334684 B1 FR 2334684B1 FR 7701590 A FR7701590 A FR 7701590A FR 7701590 A FR7701590 A FR 7701590A FR 2334684 B1 FR2334684 B1 FR 2334684B1
- Authority
- FR
- France
- 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
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
- C07D205/09—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4
- C07D205/095—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4 and with a nitrogen atom directly attached in position 3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50028452A JPS609516B2 (ja) | 1975-03-07 | 1975-03-07 | セフエム骨格の環化製法 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2334684A1 FR2334684A1 (fr) | 1977-07-08 |
FR2334684B1 true FR2334684B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-03-28 |
Family
ID=12249046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7701590A Granted FR2334684A1 (fr) | 1975-03-07 | 1977-01-20 | Procede de cyclisation d'halocetones ou d'halogenols pour former un noyau de cephem et nouveaux produits ainsi obtenus |
Country Status (5)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4013651A (en) * | 1975-05-12 | 1977-03-22 | Eli Lilly And Company | 3-substituted amino-cephalosporins |
US4024152A (en) * | 1975-09-19 | 1977-05-17 | Eli Lilly And Company | 4-Dithio-3-imido-azetidin-2-ones |
CA1148938A (en) * | 1979-05-08 | 1983-06-28 | John R. Corfield | Preparation of cephalosporins and intermediates employed therein |
JP3195959B2 (ja) * | 1991-03-13 | 2001-08-06 | 大塚化学株式会社 | 3−ヒドロキシセフェム誘導体の製造法 |
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1975
- 1975-03-07 JP JP50028452A patent/JPS609516B2/ja not_active Expired
-
1976
- 1976-02-17 PL PL1976212108A patent/PL114624B1/pl unknown
- 1976-02-17 PL PL1976212107A patent/PL114457B1/pl unknown
- 1976-03-05 SU SU762331355A patent/SU1187717A3/ru active
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1977
- 1977-01-20 FR FR7701590A patent/FR2334684A1/fr active Granted
- 1977-01-26 SU SU772442946A patent/SU791247A3/ru active
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1978
- 1978-06-08 AT AT417078A patent/AT361120B/de not_active IP Right Cessation
-
1980
- 1980-05-29 AT AT0286880A patent/AT363598B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PL114457B1 (en) | 1981-01-31 |
FR2334684A1 (fr) | 1977-07-08 |
AT363598B (de) | 1981-08-10 |
JPS609516B2 (ja) | 1985-03-11 |
ATA417078A (de) | 1980-07-15 |
AT361120B (de) | 1981-02-25 |
ATA286880A (de) | 1981-01-15 |
PL114624B1 (en) | 1981-02-28 |
SU791247A3 (ru) | 1980-12-23 |
SU1187717A3 (ru) | 1985-10-23 |
JPS51105088A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-09-17 |