NL7712900A - Werkwijze voor de bereiding van nieuwe 3-heterothiomethylcefalosporaanzure esters. - Google Patents
Werkwijze voor de bereiding van nieuwe 3-heterothiomethylcefalosporaanzure esters.Info
- Publication number
- NL7712900A NL7712900A NL7712900A NL7712900A NL7712900A NL 7712900 A NL7712900 A NL 7712900A NL 7712900 A NL7712900 A NL 7712900A NL 7712900 A NL7712900 A NL 7712900A NL 7712900 A NL7712900 A NL 7712900A
- Authority
- NL
- Netherlands
- Prior art keywords
- heterothiomethylcefalosporanic
- preparation
- new
- acid esters
- esters
- 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
-
- 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 |
---|---|---|---|
US05/748,426 US4129731A (en) | 1976-12-08 | 1976-12-08 | Process for converting 3-methylene cephalosporins to 3-heterothiomethyl cephalosporins |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7712900A true NL7712900A (nl) | 1978-06-12 |
Family
ID=25009398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7712900A NL7712900A (nl) | 1976-12-08 | 1977-11-23 | Werkwijze voor de bereiding van nieuwe 3-heterothiomethylcefalosporaanzure esters. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4129731A (nl) |
JP (1) | JPS5373597A (nl) |
AU (1) | AU511186B2 (nl) |
BE (1) | BE861639A (nl) |
CA (1) | CA1087169A (nl) |
CH (1) | CH626089A5 (nl) |
DE (1) | DE2754742C2 (nl) |
FR (1) | FR2373549A1 (nl) |
GB (1) | GB1591460A (nl) |
IE (1) | IE46175B1 (nl) |
NL (1) | NL7712900A (nl) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4311837A (en) * | 1979-05-01 | 1982-01-19 | Eli Lilly And Company | Certain heterocyclic thiomethyl derivatives of 7-(dihalogenated phenylthioacetamido)cephalosporanic acids useful in the treatment of infections caused by _Streptococcus faecalis |
NL8005041A (nl) * | 1980-09-05 | 1982-04-01 | Gist Brocades Nv | Werkwijze voor de bereiding van thioethers, alsmede gesilyleerde thiolen voor toepassing bij deze werkwijze. |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3275626A (en) * | 1962-07-31 | 1966-09-27 | Lilly Co Eli | Penicillin conversion via sulfoxide |
US3929775A (en) * | 1970-12-08 | 1975-12-30 | Takeda Chemical Industries Ltd | Process for producing cephalosporin derivatives |
US3932393A (en) * | 1971-02-25 | 1976-01-13 | Eli Lilly And Company | 3-Methylenecephalosporins and process for production thereof |
JPS515396B1 (nl) * | 1971-04-05 | 1976-02-19 | ||
US3883518A (en) * | 1972-05-15 | 1975-05-13 | Merck & Co Inc | 3-Methylene cephalosporins |
US3962227A (en) * | 1973-02-23 | 1976-06-08 | Eli Lilly And Company | 3-halo cephalosporins |
US3925372A (en) * | 1973-02-23 | 1975-12-09 | Lilly Co Eli | Alpha-aminoacyl-3-halo cephalosporins |
US3941779A (en) * | 1973-11-12 | 1976-03-02 | E. R. Squibb & Sons, Inc. | Method for producing 2-(substituted thio)-3-cephem derivatives |
US3968109A (en) * | 1973-11-23 | 1976-07-06 | E. R. Squibb & Sons, Inc. | Production of 2-(thio substituted)cephalosporin sulfoxides and 2-(thio substituted)cephalosporins |
US4049806A (en) * | 1975-08-15 | 1977-09-20 | Syntex (U.S.A.) Inc. | Cephalosporin type antibacterials |
US4039534A (en) * | 1975-11-17 | 1977-08-02 | E. R. Squibb & Sons, Inc. | 4-Thio substituted-Δ2 -cephalosporin intermediates |
-
1976
- 1976-12-08 US US05/748,426 patent/US4129731A/en not_active Expired - Lifetime
-
1977
- 1977-10-28 CA CA289,795A patent/CA1087169A/en not_active Expired
- 1977-11-07 AU AU30386/77A patent/AU511186B2/en not_active Expired
- 1977-11-22 GB GB48627/77A patent/GB1591460A/en not_active Expired
- 1977-11-23 NL NL7712900A patent/NL7712900A/nl not_active Application Discontinuation
- 1977-11-28 IE IE2411/77A patent/IE46175B1/en not_active IP Right Cessation
- 1977-12-02 FR FR7736436A patent/FR2373549A1/fr active Granted
- 1977-12-07 CH CH1502277A patent/CH626089A5/fr not_active IP Right Cessation
- 1977-12-08 BE BE183281A patent/BE861639A/xx not_active IP Right Cessation
- 1977-12-08 DE DE2754742A patent/DE2754742C2/de not_active Expired
- 1977-12-08 JP JP14915677A patent/JPS5373597A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1087169A (en) | 1980-10-07 |
GB1591460A (en) | 1981-06-24 |
AU3038677A (en) | 1979-05-17 |
AU511186B2 (en) | 1980-07-31 |
DE2754742C2 (de) | 1986-04-30 |
DE2754742A1 (de) | 1978-06-15 |
IE46175B1 (en) | 1983-03-23 |
IE46175L (en) | 1978-06-08 |
BE861639A (fr) | 1978-06-08 |
JPS6118554B2 (nl) | 1986-05-13 |
FR2373549A1 (fr) | 1978-07-07 |
JPS5373597A (en) | 1978-06-30 |
FR2373549B1 (nl) | 1980-12-05 |
US4129731A (en) | 1978-12-12 |
CH626089A5 (nl) | 1981-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
A85 | Still pending on 85-01-01 | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |