OA05939A - Dérivés de céphalosporine et leur procédé de préparation. - Google Patents
Dérivés de céphalosporine et leur procédé de préparation.Info
- Publication number
- OA05939A OA05939A OA56469A OA56469A OA05939A OA 05939 A OA05939 A OA 05939A OA 56469 A OA56469 A OA 56469A OA 56469 A OA56469 A OA 56469A OA 05939 A OA05939 A OA 05939A
- Authority
- OA
- OAPI
- Prior art keywords
- preparation process
- cephalosporin derivatives
- cephalosporin
- derivatives
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Communicable Diseases (AREA)
- Pharmacology & Pharmacy (AREA)
- Oncology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2716677A DE2716677C2 (de) | 1977-04-15 | 1977-04-15 | Cephemderivate und Verfahren zu ihrer Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
OA05939A true OA05939A (fr) | 1981-06-30 |
Family
ID=6006350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA56469A OA05939A (fr) | 1977-04-15 | 1978-04-14 | Dérivés de céphalosporine et leur procédé de préparation. |
Country Status (30)
Country | Link |
---|---|
US (1) | US4399131A (xx) |
JP (1) | JPS6052756B2 (xx) |
AT (1) | AT367426B (xx) |
AU (1) | AU526333B2 (xx) |
BE (1) | BE866038A (xx) |
CA (1) | CA1161836A (xx) |
CH (1) | CH643558A5 (xx) |
CS (1) | CS208748B2 (xx) |
DD (1) | DD138423A5 (xx) |
DE (1) | DE2716677C2 (xx) |
DK (1) | DK163244C (xx) |
ES (3) | ES468666A1 (xx) |
FI (1) | FI66188C (xx) |
FR (1) | FR2387234B1 (xx) |
GB (1) | GB1603212A (xx) |
GR (1) | GR71190B (xx) |
HK (1) | HK28983A (xx) |
HU (1) | HU184145B (xx) |
IE (1) | IE46535B1 (xx) |
IL (1) | IL54503A0 (xx) |
IT (1) | IT1095578B (xx) |
LU (1) | LU79439A1 (xx) |
NL (1) | NL7804019A (xx) |
NO (1) | NO781322L (xx) |
NZ (1) | NZ186968A (xx) |
OA (1) | OA05939A (xx) |
PT (1) | PT67906B (xx) |
SE (1) | SE447384B (xx) |
YU (1) | YU87378A (xx) |
ZA (1) | ZA782168B (xx) |
Families Citing this family (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE878514A (fr) * | 1978-09-04 | 1980-02-29 | Fujisawa Pharmaceutical Co | Procede de preparation de composes d'acide 3-cephem-4-carboxylique a disubstitution en positions 3 et 7, nouveaux produits ainsi obtenus et leur utilisation pour leur activite antibacterienne |
BE878433A (fr) * | 1978-08-31 | 1980-02-25 | Fujisawa Pharmaceutical Co | Procede de preparation de derives d'acide 3-cephem-4-carboxylique 3,7-disubstitue, nouveaux produits ainsi obtenus et leur utilisation pour leur activite antibacterienne |
US4409217A (en) * | 1977-03-14 | 1983-10-11 | Fujisawa Pharmaceutical Co., Ltd. | Cephem compounds |
PH17188A (en) * | 1977-03-14 | 1984-06-14 | Fujisawa Pharmaceutical Co | New cephem and cepham compounds and their pharmaceutical compositions and method of use |
US4496562A (en) * | 1977-03-14 | 1985-01-29 | Fujisawa Pharmaceutical Co., Ltd. | 7-Substituted-3-cephem-4-carboxylic acid esters |
ZA781502B (en) * | 1977-03-14 | 1979-09-26 | Fujisawa Pharmaceutical Co | New cephem and cepham compounds and processes for preparation thereof |
FR2410655A1 (fr) * | 1977-12-05 | 1979-06-29 | Roussel Uclaf | Nouvelles oximes derivees de l'acide 3-substitue 7-amino thiazolyl acetamido cephalosporanique, leur procede de preparation et leur application comme medicaments |
FR2432521A1 (fr) * | 1978-03-31 | 1980-02-29 | Roussel Uclaf | Nouvelles oximes o-substituees derivees de l'acide 7-amino thiazolyl acetamido cephalosporanique, leur procede de preparation et leur application comme medicaments |
FR2421907A1 (fr) * | 1978-04-07 | 1979-11-02 | Roussel Uclaf | Nouvelles cephalosporines derivees de l'acide 7-/2-(2-amino 4-thiazolyl)2-(carboxymethoxyimino/acetamido 3-substitue cephalosporanique, leur procede de preparation et leur application comme medicaments |
AR228726A1 (es) | 1978-05-26 | 1983-04-15 | Glaxo Group Ltd | Procedimiento para la preparacion del antibiotico(6r,7r)-7-((z)-2-(2-aminotiazol-4-il)-2-(2-carboxiprop-2-oxiimino)acetamido)-3-(1-piridiniometil)cef-3-em-4-carboxilato |
DE2822861A1 (de) * | 1978-05-26 | 1979-11-29 | Hoechst Ag | Cephemderivate und verfahren zu ihrer herstellung |
US4341775A (en) * | 1978-09-11 | 1982-07-27 | Fujisawa Pharmaceutical Co., Ltd. | Cephem compounds |
US4237128A (en) | 1979-04-12 | 1980-12-02 | E. R. Squibb & Sons, Inc. | 7-[2-(2-Amino-4-thiazolyl)-2-[(1-carboxy-1,1-dialkyl)alkoxyimino]acetamido]cephem sulfoxides |
US4331666A (en) * | 1979-05-11 | 1982-05-25 | Farmitalia Carlo Erba S.P.A. | 3-[(8-Carboxy-6-tetrazolo[1,5-b]pyridazinyl)-thiomethyl]-7-[2-(2-amino-4-thiazolyl)-2-methoxyimino-acetamido]-3-cephem-4-carboxylic acid |
US4275062A (en) * | 1979-09-19 | 1981-06-23 | E. R. Squibb & Sons, Inc. | Aminothiazolyl ureido sulfoxide cephalosporins |
US4271157A (en) | 1980-02-28 | 1981-06-02 | E. R. Squibb & Sons, Inc. | Imidazole derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins |
US4409215A (en) * | 1979-11-19 | 1983-10-11 | Fujisawa Pharmaceutical Co., Ltd. | 7-Acylamino-3-substituted cephalosporanic acid derivatives and processes for the preparation thereof |
US4349672A (en) * | 1979-11-29 | 1982-09-14 | Hoffmann-La Roche Inc. | Cephalosporin derivatives |
FR2476087A1 (fr) * | 1980-02-18 | 1981-08-21 | Roussel Uclaf | Nouvelles oximes derivees de l'acide 3-alkyloxy ou 3-alkyl-thiomethyl 7-amino thiazolyl acetamido cephalosporanique, leur procede de preparation et leur application comme medicaments |
DE3006888A1 (de) * | 1980-02-23 | 1981-09-10 | Hoechst Ag, 6000 Frankfurt | Cephalosporinderivate und verfahren zu ihrer herstellung |
US4252802A (en) | 1980-03-13 | 1981-02-24 | E. R. Squibb & Sons, Inc. | Hydroxamic acid derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins |
FR2479229B1 (fr) * | 1980-03-26 | 1986-01-17 | Clin Midy | Nouveaux derives des cephalosporines, leur procede de preparation et les medicaments utilisables comme antibiotiques qui contiennent lesdits derives |
IT1141286B (it) * | 1980-04-17 | 1986-10-01 | Dob Far Spa | Esteri delle desacetossi cefalosporine loro sali e procedimenti per il loro ottenimento |
FR2501209B1 (fr) * | 1981-03-03 | 1986-07-04 | Sanofi Sa | Nouveaux derives des cephalosporines et medicaments antibiotiques contenant lesdits derives |
GR75706B (xx) * | 1980-06-30 | 1984-08-02 | Sanofi Sa | |
US4443444A (en) * | 1980-08-11 | 1984-04-17 | Fujisawa Pharmaceutical Co., Ltd. | Cephem compounds |
JPS5756486A (en) * | 1980-08-11 | 1982-04-05 | Fujisawa Pharmaceut Co Ltd | Novel cephem compound or its salt, their preparation and prophylactic or remedy for microbism containing the same as active ingredient |
US4416879A (en) | 1980-09-08 | 1983-11-22 | Fujisawa Pharmaceutical Co., Ltd. | Cephem compounds |
JPS6011917B2 (ja) * | 1981-04-09 | 1985-03-28 | 山之内製薬株式会社 | 新規なセファロスポリン化合物 |
DE3118732A1 (de) * | 1981-05-12 | 1982-12-02 | Hoechst Ag, 6000 Frankfurt | Cephalosporinderivate und verfahren zu ihrer herstellung |
JPS5849382A (ja) * | 1981-09-18 | 1983-03-23 | Kyowa Hakko Kogyo Co Ltd | β−ラクタム化合物 |
EP0187355A1 (en) | 1981-09-23 | 1986-07-16 | E.R. Squibb & Sons, Inc. | Process for preparing beta-lactam antibiotics |
JPS5862181A (ja) * | 1981-10-07 | 1983-04-13 | Dai Ichi Seiyaku Co Ltd | セフアロスポリン誘導体 |
FR2516515A1 (fr) * | 1981-11-16 | 1983-05-20 | Sanofi Sa | Nouveaux derives de pyridinium thiomethyl cephalosporines, procede pour leur preparation et compositions pharmaceutiques les contenant |
FR2517309A1 (fr) * | 1981-12-01 | 1983-06-03 | Sanofi Sa | Nouveaux derives de cephalosporines substitues en position 3 par un groupe heterocycle thiomethyl; procede de preparation desdits composes et compositions pharmaceutiques en contenant |
PH19163A (en) * | 1982-04-06 | 1986-01-16 | Daiichi Seiyaku Co | Cephalosporin derivatives |
US4500526A (en) * | 1982-06-28 | 1985-02-19 | Bristol-Myers Company | Cephalosporin derivatives |
ES523682A0 (es) * | 1982-06-30 | 1984-11-01 | Glaxo Group Ltd | Un procedimiento para preparar compuestos de cefalosporina. |
US4616081A (en) * | 1982-07-07 | 1986-10-07 | Asahi Kasei Kogyo Kabushiki Kaisha | Cephalosporin compounds |
FR2530248A1 (fr) * | 1982-07-13 | 1984-01-20 | Sanofi Sa | Nouveaux derives des cephalosporines, leur procede de preparation et medicaments antibiotiques contenant lesdits derives |
US4477660A (en) * | 1982-11-16 | 1984-10-16 | Eli Lilly And Company | 7-(S)-Acylaminocephalosporin sulfones and process |
US4459405A (en) * | 1982-11-16 | 1984-07-10 | Eli Lilly And Company | Desacetylcephalosporin sulfones |
US4608373A (en) * | 1982-12-13 | 1986-08-26 | Yamanouchi Pharmaceutical Co., Ltd. | Cephem compounds |
US4547371A (en) * | 1983-04-18 | 1985-10-15 | Merck & Co., Inc. | Substituted cephalosporin sulfones as anti-inflammatory and anti-degenerative agents |
US5132301A (en) * | 1983-05-02 | 1992-07-21 | Merck & Co., Inc. | Substituted cephalosporin sulfones as anti-inflammatory and anti-degenerative agents |
FR2546520B1 (fr) * | 1983-05-27 | 1985-08-30 | Sanofi Sa | Nouveaux composes antibiotiques derives des cephalosporines |
DE3485860T2 (de) * | 1983-12-29 | 1993-01-14 | Mochida Pharm Co Ltd | Cephalosporinverbindungen, verfahren zu ihrer herstellung und pharmazeutishe praeparate. |
JPS60142987A (ja) * | 1983-12-29 | 1985-07-29 | Mochida Pharmaceut Co Ltd | セフアロスポリン誘導体 |
KR920004820B1 (ko) * | 1984-02-23 | 1992-06-18 | 메이지제과 주식회사 | 새로운 세팔로스포린 유도체의 제조방법 |
US4840945A (en) * | 1985-04-01 | 1989-06-20 | Mochida Pharmaceutical Co., Ltd. | Cephalosporin derivatives |
ZW11586A1 (en) * | 1985-07-01 | 1987-12-30 | Hoffmann La Roche | Bicyclic compounds |
FR2586020B2 (fr) | 1985-08-09 | 1988-10-14 | Roussel Uclaf | Nouveaux derives de l'acide 1-dethia 2-thia cephalosporanique, leur procede de preparation, leur application comme medicaments et les compositions pharmaceutiques les contenant |
US4684722A (en) * | 1986-01-06 | 1987-08-04 | E. R. Squibb & Sons, Inc. | Monosulfactams |
ZA874696B (en) | 1986-07-03 | 1988-01-04 | F. Hoffmann-La Roche & Co. Aktiengesellschaft | Acyl derivatives |
US5147871A (en) * | 1986-07-03 | 1992-09-15 | Hoffmann La-Roche, Inc. | Anti-bacterial cephalosporin compounds |
JPS63132893A (ja) * | 1986-11-25 | 1988-06-04 | Mochida Pharmaceut Co Ltd | 新規セフアロスポリン誘導体、その製法およびそれらを有効成分とする抗菌剤 |
US4880798A (en) * | 1986-11-25 | 1989-11-14 | Mochida Pharmaceutical Co., Ltd. | Cephalosporin derivatives |
US5428163A (en) * | 1986-12-31 | 1995-06-27 | Mills; Randell L. | Prodrugs for selective drug delivery |
DE3809561A1 (de) * | 1988-03-22 | 1989-10-05 | Hoechst Ag | Ester der 7-(2-(2-aminothiazol-4-yl)-2-(z)- hydroxyiminoacetamido)-3-methoxymethyl-3-cephem-4-carbonsaeure, verfahren zu ihrer herstellung und sie enthaltende pharmazeutische zubereitungen |
US5336768A (en) * | 1988-05-24 | 1994-08-09 | Hoffmann-La Roche Inc. | Antibacterial cephalosporin compounds |
CS273349B2 (en) * | 1988-03-31 | 1991-03-12 | Hoffmann La Roche | Method of cephalosporin's new derivatives production |
GB9104238D0 (en) * | 1990-03-16 | 1991-04-17 | Ici Pharma | 3-tetrazolylthiomethyl cephalosporin antibiotics |
EP0449515B1 (en) * | 1990-03-24 | 1995-05-24 | Lucky, Ltd. | Novel cephalosporin intermediates and process for preparing the intermediates and their end products |
JPH0626344U (ja) * | 1992-08-27 | 1994-04-08 | 武盛 豊永 | ソフトタッチ電話器 |
US5811419A (en) * | 1996-01-16 | 1998-09-22 | Hoffmann-La Roche Inc. | Isooxacephem-derivatives |
DE19607960A1 (de) * | 1996-03-01 | 1997-09-04 | Hoechst Schering Agrevo Gmbh | Verfahren zur Herstellung von Ketonoximether durch Boronsäurekupplung |
US5883247A (en) * | 1996-06-10 | 1999-03-16 | Hoffmann-La Roche Inc. | Preparation of cephem and isooxacephem derivatives |
AU2001266861A1 (en) * | 2000-06-12 | 2001-12-24 | Randell L. Mills | Photocleavable prodrugs for selective drug delivery |
US20050080260A1 (en) * | 2003-04-22 | 2005-04-14 | Mills Randell L. | Preparation of prodrugs for selective drug delivery |
KR20070026295A (ko) * | 2003-08-25 | 2007-03-08 | 레박스 파마슈티칼즈, 엘엘씨 | 경구 신경치료 세파졸린 조성물 |
US7908037B2 (en) * | 2009-03-27 | 2011-03-15 | General Electric Company | Pre-programmed energy management ballast or driver |
DK3186242T3 (da) | 2014-08-29 | 2021-12-20 | Tes Pharma S R L | Alfa-amino-beta-carboxymuconsyre-semialdehyd-decarboxylasehæmmere |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3926957A (en) * | 1971-01-29 | 1975-12-16 | Glaxo Lab Ltd | Penicillin antibiotics |
GB1389194A (en) | 1971-01-29 | 1975-04-03 | Glaxo Lab Ltd | Antibiotics |
US3971778A (en) * | 1972-05-12 | 1976-07-27 | Glaxo Laboratories Limited | Cephalosporins having (α-etherified oximino)acylamido groups at the 7-position |
US3932385A (en) * | 1971-05-14 | 1976-01-13 | Glaxo Laboratories Limited | Penicillins having a 6β-(α-etherified oximino) acylamido group |
GB1399086A (en) | 1971-05-14 | 1975-06-25 | Glaxo Lab Ltd | Cephalosporin compounds |
US4075337A (en) * | 1972-07-18 | 1978-02-21 | Gist-Brocades N.V. | Methods of combatting bacterial infections in warm-blooded animal with cephalsporin R-sulfoxide |
GB1442993A (en) * | 1972-07-18 | 1976-07-21 | Gist Brocades Nv | Penicillin and cephalosporin r-sulphoxides |
US4020058A (en) * | 1974-10-03 | 1977-04-26 | Glaxo Laboratories Limited | Improvements in or relating to cephalosporin antibiotics |
JPS5168589A (xx) * | 1974-12-06 | 1976-06-14 | Shionogi Seiyaku Kk | |
DK154939C (da) * | 1974-12-19 | 1989-06-12 | Takeda Chemical Industries Ltd | Analogifremgangsmaade til fremstilling af thiazolylacetamido-cephemforbindelser eller farmaceutisk acceptable salte eller estere deraf |
US4203899A (en) * | 1974-12-19 | 1980-05-20 | Takeda Chemical Industries, Ltd. | Thiazolylacetamido compounds |
CA1088049A (en) | 1975-06-03 | 1980-10-21 | Takashi Masugi | 3-substituted-7-substituted alkanamido-3-cephem-4- carboxylic acid compounds and processes for preparation thereof |
DE2760123C2 (de) * | 1976-01-23 | 1986-04-30 | Roussel-Uclaf, Paris | 7-Aminothiazolyl-syn-oxyiminoacetamidocephalosporansäuren, ihre Herstellung und sie enthaltende pharmazeutische Zusammensetzungen |
US4166115A (en) * | 1976-04-12 | 1979-08-28 | Fujisawa Pharmaceutical Co., Ltd. | Syn 7-oxoimino substituted derivatives of cephalosporanic acid |
US4237128A (en) * | 1979-04-12 | 1980-12-02 | E. R. Squibb & Sons, Inc. | 7-[2-(2-Amino-4-thiazolyl)-2-[(1-carboxy-1,1-dialkyl)alkoxyimino]acetamido]cephem sulfoxides |
US4252802A (en) * | 1980-03-13 | 1981-02-24 | E. R. Squibb & Sons, Inc. | Hydroxamic acid derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins |
-
1977
- 1977-04-15 DE DE2716677A patent/DE2716677C2/de not_active Expired
-
1978
- 1978-04-10 ES ES468666A patent/ES468666A1/es not_active Expired
- 1978-04-12 YU YU00873/78A patent/YU87378A/xx unknown
- 1978-04-12 IT IT22244/78A patent/IT1095578B/it active
- 1978-04-12 DD DD78204752A patent/DD138423A5/xx unknown
- 1978-04-12 CH CH394178A patent/CH643558A5/de not_active IP Right Cessation
- 1978-04-13 AU AU35071/78A patent/AU526333B2/en not_active Expired
- 1978-04-13 SE SE7804185A patent/SE447384B/sv not_active IP Right Cessation
- 1978-04-13 FI FI781131A patent/FI66188C/fi not_active IP Right Cessation
- 1978-04-13 NZ NZ186968A patent/NZ186968A/xx unknown
- 1978-04-13 IL IL54503A patent/IL54503A0/xx not_active IP Right Cessation
- 1978-04-14 HU HU78HO2063A patent/HU184145B/hu not_active IP Right Cessation
- 1978-04-14 DK DK162878A patent/DK163244C/da not_active IP Right Cessation
- 1978-04-14 ZA ZA00782168A patent/ZA782168B/xx unknown
- 1978-04-14 CA CA000301193A patent/CA1161836A/en not_active Expired
- 1978-04-14 NL NL7804019A patent/NL7804019A/xx not_active Application Discontinuation
- 1978-04-14 AT AT0263278A patent/AT367426B/de not_active IP Right Cessation
- 1978-04-14 FR FR7811069A patent/FR2387234B1/fr not_active Expired
- 1978-04-14 CS CS782443A patent/CS208748B2/cs unknown
- 1978-04-14 LU LU79439A patent/LU79439A1/de unknown
- 1978-04-14 PT PT67906A patent/PT67906B/pt unknown
- 1978-04-14 NO NO781322A patent/NO781322L/no unknown
- 1978-04-14 OA OA56469A patent/OA05939A/xx unknown
- 1978-04-14 IE IE736/78A patent/IE46535B1/en not_active IP Right Cessation
- 1978-04-15 GR GR55989A patent/GR71190B/el unknown
- 1978-04-15 JP JP53043813A patent/JPS6052756B2/ja not_active Expired
- 1978-04-17 GB GB14990/78A patent/GB1603212A/en not_active Expired
- 1978-04-17 BE BE186834A patent/BE866038A/xx not_active IP Right Cessation
-
1979
- 1979-01-25 ES ES477153A patent/ES477153A1/es not_active Expired
- 1979-01-25 ES ES477154A patent/ES477154A1/es not_active Expired
-
1980
- 1980-05-05 US US06/146,780 patent/US4399131A/en not_active Expired - Lifetime
-
1983
- 1983-08-18 HK HK289/83A patent/HK28983A/xx unknown
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OA05033A (fr) | Nouveaux dérivés de la céphalosporine et leur préparation. | |
OA04909A (fr) | Nouveaux dérivés de théophylline et leur procédé de préparation. | |
OA06247A (fr) | Dérivés de la pipérazine méthanimine et leur procédé de préparation. | |
RO76867A (ro) | Procedeu pentru prepararea unor derivati de fenoxialcanolamina | |
RO81226A (ro) | Procedeu pentru prepararea unor derivati de 5(3)-hidroxipirazol | |
OA05675A (fr) | Procédé de préparation de dérivés de méthylamine. |