ES378765A1 - Un procedimiento para la preparacion de cefalosporinas de 3-mercaptotiazol o mercaptotetrazol. - Google Patents
Un procedimiento para la preparacion de cefalosporinas de 3-mercaptotiazol o mercaptotetrazol.Info
- Publication number
- ES378765A1 ES378765A1 ES378765A ES378765A ES378765A1 ES 378765 A1 ES378765 A1 ES 378765A1 ES 378765 A ES378765 A ES 378765A ES 378765 A ES378765 A ES 378765A ES 378765 A1 ES378765 A1 ES 378765A1
- Authority
- ES
- Spain
- Prior art keywords
- formula
- see formula
- see
- hydrogen
- nhr2
- Prior art date
- 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
- 229930186147 Cephalosporin Natural products 0.000 title abstract 3
- 229940124587 cephalosporin Drugs 0.000 title abstract 3
- -1 cephalosporin compounds Chemical class 0.000 title abstract 3
- 239000001257 hydrogen Substances 0.000 abstract 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract 4
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 abstract 3
- 150000002431 hydrogen Chemical group 0.000 abstract 2
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 abstract 2
- 125000006274 (C1-C3)alkoxy group Chemical group 0.000 abstract 1
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical group CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 abstract 1
- PKXGJLZKCTVTDR-UHFFFAOYSA-N 1,3-thiazole-5-thiol Chemical compound SC1=CN=CS1 PKXGJLZKCTVTDR-UHFFFAOYSA-N 0.000 abstract 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical group FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 abstract 1
- 125000003277 amino group Chemical group 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Chemical group 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Chemical group 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 150000003573 thiols Chemical class 0.000 abstract 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 abstract 1
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
-
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US817556A US3641021A (en) | 1969-04-18 | 1969-04-18 | 3 7-(ring-substituted) cephalosporin compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES378765A1 true ES378765A1 (es) | 1972-07-16 |
Family
ID=25223346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES378765A Expired ES378765A1 (es) | 1969-04-18 | 1970-04-17 | Un procedimiento para la preparacion de cefalosporinas de 3-mercaptotiazol o mercaptotetrazol. |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US3641021A (es) |
| JP (3) | JPS4945880B1 (es) |
| BR (1) | BR6915448D0 (es) |
| CH (1) | CH540293A (es) |
| CS (2) | CS185600B2 (es) |
| CY (1) | CY775A (es) |
| DE (1) | DE2018600C3 (es) |
| DK (1) | DK132119C (es) |
| ES (1) | ES378765A1 (es) |
| FI (1) | FI51201C (es) |
| FR (1) | FR2042346B1 (es) |
| GB (1) | GB1283811A (es) |
| IL (1) | IL34285A (es) |
| LU (1) | LU60751A1 (es) |
| MY (1) | MY7500031A (es) |
| NL (1) | NL165170C (es) |
| NO (2) | NO138807C (es) |
| OA (1) | OA03254A (es) |
| PH (1) | PH11309A (es) |
| PL (1) | PL80605B1 (es) |
| SE (2) | SE377127B (es) |
| SU (1) | SU378014A3 (es) |
| YU (1) | YU36528B (es) |
| ZA (1) | ZA702290B (es) |
Families Citing this family (75)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932465A (en) * | 1970-07-08 | 1976-01-13 | Ciba-Geigy Corporation | 3-R-methyl-7-amino-ceph-em-4-carboxylic acid compounds |
| JPS4948559B1 (es) * | 1970-11-10 | 1974-12-21 | ||
| US3867380A (en) * | 1971-02-18 | 1975-02-18 | Smithkline Corp | 3-Heterocyclic thiomethylcephalosporins |
| US3987041A (en) * | 1970-12-17 | 1976-10-19 | Smithkline Corporation | P-hydroxymethylphenylacetamidocephalosporins |
| US3855213A (en) * | 1971-02-18 | 1974-12-17 | Smith Kline French Lab | 3-heterocyclic thiomethyl-cephalosporins |
| NL7200588A (es) * | 1971-01-18 | 1972-07-20 | ||
| IE36221B1 (en) * | 1971-04-21 | 1976-09-15 | Ciba Geigy Ag | Acylamino compounds and a process for their manufacture |
| US3757014A (en) * | 1971-05-07 | 1973-09-04 | Bristol Myers Co | Ts 1,3,4 - oxadiazol-2-yl)thiomethyl)-3-cephem-4-carboxylic acid and sal7-(d-(alpha-amino-alpha-pheyle-acetamido)) - 3-(s-(5-hydroxymethyl - |
| GB1399086A (en) * | 1971-05-14 | 1975-06-25 | Glaxo Lab Ltd | Cephalosporin compounds |
| US3903278A (en) * | 1971-11-04 | 1975-09-02 | Smithkline Corp | Method of combating enterobacter infections |
| CA999574A (en) * | 1972-06-14 | 1976-11-09 | Smith Kline And French Canada Ltd. | 7-hydroxyhalophenylacetamido-3-h heterocyclicthiomethyl cephalosporins |
| CA1076560A (en) * | 1972-06-14 | 1980-04-29 | Smith Kline And French Canada Ltd. | 3-heterocyclic thiomethylcephalosporins |
| US3968226A (en) * | 1972-06-14 | 1976-07-06 | Smithkline Corporation | 3-Heterocyclic thiomethylcephalosporins as antibacterial agents |
| US3828037A (en) * | 1972-07-20 | 1974-08-06 | Smithkline Corp | Trifluoromethylmercaptoacetamidocephalosporins |
| US3855212A (en) * | 1972-08-04 | 1974-12-17 | Squibb & Sons Inc | Cyanomethylth ioacetylcephalosporins |
| US3957768A (en) * | 1972-11-14 | 1976-05-18 | Smithkline Corporation | 3-heterocyclicthiomethylcephalosporins |
| GB1438872A (en) * | 1972-11-17 | 1976-06-09 | Fujisawa Pharmaceutical Co | 7-beta-aminoacylamino-3-substituted-3-cephem-4-carboxylic acid derivatives and preparation thereof |
| YU36970B (en) * | 1973-02-23 | 1984-08-31 | Lilly Co Eli | Process for obtaining 7-(amino)-acylamido-3-halocephalosporins |
| AR207752A1 (es) * | 1973-03-30 | 1976-10-29 | Fujisawa Pharmaceutical Co | Procedimiento para obtener acidos 7-amino-sustituido-3-tiometilsustituido-3-cefem-4-carboxilicos |
| US4007173A (en) * | 1973-05-07 | 1977-02-08 | Smithkline Corporation | α-amino-α-(ureidophenyl)acetamidocephalosporins |
| AR205537A1 (es) * | 1973-05-10 | 1976-05-14 | Fujisawa Pharmaceutical Co | Procedimiento para la preparacion de derivados de acido 7-substituido fenilglicinamido - 3 - substituido - 3 - cefem - 4 - carboxilicos |
| US3962230A (en) * | 1973-05-11 | 1976-06-08 | Smithkline & French Laboratories, Inc. | P-hydroxymethylphenylacetamidocephalosporins |
| US3879385A (en) * | 1973-05-16 | 1975-04-22 | American Home Prod | 3-(Alpha-trifluoromethylarylacetamido)-1,4-cyclo(1,-carboxyl)alkylenethio)-azetidin-2-one derivatives |
| US4000133A (en) * | 1973-06-06 | 1976-12-28 | Fujisawa Pharmaceutical Co., Ltd. | Substituted 7-styryl-carbonyloxy-acetamido cephalosporanic |
| US3884914A (en) * | 1973-07-05 | 1975-05-20 | Smithkline Corp | Mandelamidocephalosporins with improved properties |
| US3957985A (en) * | 1973-07-05 | 1976-05-18 | Smithkline Corporation | Mandelamidocephalosporins with improved properties |
| US4022895A (en) * | 1973-08-01 | 1977-05-10 | Smithkline Corporation | Substituted phenylglycylcephalosporins |
| US3883520A (en) * | 1973-08-17 | 1975-05-13 | Smithkline Corp | Substituted mercaptoacetamidocephalosporins |
| US3957984A (en) * | 1973-08-17 | 1976-05-18 | Smithkline Corporation | Substituted mercaptoacetamidocephalosporins |
| HU172234B (hu) * | 1973-12-21 | 1978-07-28 | Glaxo Lab Ltd | Sposob poluchenija novykh proizvodnykh 7-beta-acilamido-cef-3-em-4-karbonovojj kisloty |
| DE2407715C2 (de) * | 1974-02-18 | 1982-12-02 | Bayer Ag, 5090 Leverkusen | Cephalosporine, Verfahren zu ihrer Herstellung sowie Arzneimittel |
| US4205166A (en) * | 1974-02-20 | 1980-05-27 | Fujisawa Pharmaceutical Co., Ltd. | 7-Substituted-3-aminoalkyl-, acylaminoalkyl-, or hydroxyalkyl-substituted heterocyclic thiomethyl-3-cephem-4-carboxylic acid derivatives and preparation thereof |
| US3928592A (en) * | 1974-02-22 | 1975-12-23 | Lilly Co Eli | Antibiotic pharmaceutical compositions |
| JPS5729475B2 (es) * | 1974-04-11 | 1982-06-23 | ||
| US3956292A (en) * | 1974-04-01 | 1976-05-11 | Eli Lilly And Company | 7-(α-FUROYLUREIDOARYL AND CYCLOHEXADIENYLACETAMIDO) CEPHALOSPORIN ANTIBIOTICS |
| US3925368A (en) * | 1974-04-01 | 1975-12-09 | Lilly Co Eli | Acylureido substituted cephalosporins |
| US3985747A (en) * | 1974-05-24 | 1976-10-12 | Bristol-Myers Company | Crystalline sesquihydrate of 7-[D-α-amino-α-(p-hydroxyphenyl)acetamido]-3-(1,2,3-triazol-5-ylthiomethyl)-3-cephem-4-carboxylic acid |
| GB1476981A (en) * | 1974-06-05 | 1977-06-16 | Bristol Myers Co | Substituted penicillanic acids |
| US3928334A (en) * | 1974-06-06 | 1975-12-23 | Bristol Myers Co | Process for the production of cefamandole |
| JPS612674B2 (es) * | 1974-06-20 | 1986-01-27 | Meiji Seika Co | |
| US3928337A (en) * | 1974-08-07 | 1975-12-23 | Bristol Myers Co | Process for the production of cefamandole |
| CA1074784A (en) * | 1974-09-06 | 1980-04-01 | Sumitomo Chemical Company | N-ACYLAMINO-.alpha.-ARYLACETAMIDO CEPHALOSPORINS |
| US4088815A (en) * | 1974-09-20 | 1978-05-09 | E. R. Squibb & Sons, Inc. | 3-Heterothio-7-ureido cephalosporins |
| BE833640A (fr) * | 1974-09-20 | 1976-03-19 | Nouvelles cephalosporines et leur preparation | |
| US4018759A (en) * | 1974-12-03 | 1977-04-19 | Smithkline Corporation | 3-Heterocyclicthiomethylcephalosporins |
| US3992377A (en) * | 1974-12-13 | 1976-11-16 | Eli Lilly And Company | 3-Thio-substituted cephalosporin antibiotics |
| DK43476A (da) * | 1975-02-04 | 1976-08-05 | Fujisawa Pharmaceutical Co | Fremgangsmade til fremstilling af cephemcarboxylsyrer |
| IE44607B1 (en) * | 1975-03-18 | 1982-01-27 | Smithkline Corp | Cephalosporin compounds |
| US4006138A (en) * | 1975-04-11 | 1977-02-01 | Eli Lilly And Company | Crystalline form of sodium O-formylcefamandole |
| US4111981A (en) * | 1975-12-15 | 1978-09-05 | Smithkline Corporation | Intermediates for preparing substituted phenylglycylcephalosporins |
| US4054738A (en) * | 1975-12-22 | 1977-10-18 | Eli Lilly And Company | Sodium cefamandole crystalline forms |
| US4127716A (en) * | 1976-03-08 | 1978-11-28 | E. R. Squibb & Sons, Inc. | 3-heterothiomethyl ureido cephalosporins |
| US4035361A (en) * | 1976-03-17 | 1977-07-12 | Eli Lilly And Company | Bis-trimethylsilyl cefamandole and process therefor |
| US4063019A (en) | 1976-03-30 | 1977-12-13 | E. R. Squibb & Sons, Inc. | [[[(2,4-Dioxo-1-imidazolidinyl)amino]carbonyl]amino]-acetylcephalosporin derivatives |
| US4166115A (en) * | 1976-04-12 | 1979-08-28 | Fujisawa Pharmaceutical Co., Ltd. | Syn 7-oxoimino substituted derivatives of cephalosporanic acid |
| US4112228A (en) * | 1976-07-13 | 1978-09-05 | Bristol-Myers Company | 7-(D-α-Hydroxy-2-arylacetamido)-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo-[4,3-b]pyridazin-3-on-6-ylthiomethyl)-3-cephem-4-carboxylic acids and derivatives |
| JPS5321191A (en) * | 1976-08-10 | 1978-02-27 | Shionogi & Co Ltd | 7-arylmalonamidocephem derivatives |
| US4144391A (en) * | 1977-03-07 | 1979-03-13 | Eli Lilly And Company | Cephalosporin displacement reaction |
| IL54181A (en) * | 1977-03-07 | 1981-03-31 | Lilly Co Eli | Preparation of 3-(thiomethyl)cephalosporins |
| US4115644A (en) * | 1977-09-19 | 1978-09-19 | Eli Lilly And Company | Process for preparing pure cefamandole from alkali metal and ammonium salts thereof |
| AR223653A1 (es) * | 1977-09-27 | 1981-09-15 | Toyama Chemical Co Ltd | Procedimiento de preparacion del acido 7-(d(-)-alpha-(4-etil-2,3-dioxo-1-piperazinocarboxamido)-alpha-(4-hidroxifenil)acetamido)-3-(5-(1-metil-1,2,3,4-tetrazolil)tiometil)-delta3-cefem-4-carboxilico y su producto de adicion con n,n-dimetilacetamida |
| US4168376A (en) * | 1978-06-05 | 1979-09-18 | Eli Lilly And Company | Process for crystalline sodium cefamandole |
| US4223135A (en) * | 1979-03-19 | 1980-09-16 | Bristol-Myers Company | Production of cephalosporins |
| US4316016A (en) * | 1979-03-19 | 1982-02-16 | Bristol-Myers Company | Cephalosporin intermediates |
| US4316017A (en) * | 1979-03-19 | 1982-02-16 | Bristol-Myers Company | Cephalosporin intermediates |
| JPS55139387A (en) * | 1979-04-19 | 1980-10-31 | Yamanouchi Pharmaceut Co Ltd | Novel synthetic method of 7-amino-3-heterocyclic thiomethyl-delta3-carboxylic acids |
| EP0137227B1 (en) * | 1980-09-02 | 1987-12-16 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for the preparation of cephalosporin derivatives using novel thioesters |
| JPS5988490A (ja) * | 1982-11-10 | 1984-05-22 | Kyoto Yakuhin Kogyo Kk | セフアロスポリン誘導体 |
| US4737492A (en) * | 1986-12-31 | 1988-04-12 | Alcon Laboratories, Inc. | Sparingly soluble salts of cefamandole, and ophthalmic compositions containing same |
| JPH0354585U (es) * | 1989-09-29 | 1991-05-27 | ||
| US5318781A (en) * | 1993-04-06 | 1994-06-07 | Hoffmann-La Roche Inc. | Absorption enhancement of antibiotics |
| FR2876379B1 (fr) * | 2004-10-08 | 2008-09-05 | Isochem Sa | Procede de polymerisation des o-carboxy anhydrides |
| WO2013057197A1 (en) | 2011-10-20 | 2013-04-25 | Dsm Sinochem Pharmaceuticals Netherlands B.V. | Process for the formylation of cefamandole |
| WO2013057196A1 (en) | 2011-10-20 | 2013-04-25 | Dsm Sinochem Pharmaceuticals Netherlands B.V. | Process for the preparation of cefamandole nafate |
| CN104193767B (zh) * | 2014-08-07 | 2016-07-06 | 杭州长典医药科技有限公司 | 一种头孢孟多酯钠超细粉体制剂及其制备方法 |
-
1969
- 1969-04-18 US US817556A patent/US3641021A/en not_active Expired - Lifetime
- 1969-12-19 BR BR215448/69A patent/BR6915448D0/pt unknown
-
1970
- 1970-04-07 ZA ZA702290A patent/ZA702290B/xx unknown
- 1970-04-09 IL IL34285A patent/IL34285A/en unknown
- 1970-04-16 YU YU00996/70A patent/YU36528B/xx unknown
- 1970-04-16 SE SE7005262A patent/SE377127B/xx unknown
- 1970-04-16 OA OA53902A patent/OA03254A/xx unknown
- 1970-04-16 NL NL7005519.A patent/NL165170C/xx not_active IP Right Cessation
- 1970-04-17 CS CS7700000098A patent/CS185600B2/cs unknown
- 1970-04-17 FR FR7014065A patent/FR2042346B1/fr not_active Expired
- 1970-04-17 ES ES378765A patent/ES378765A1/es not_active Expired
- 1970-04-17 DE DE2018600A patent/DE2018600C3/de not_active Expired
- 1970-04-17 PL PL1970140112A patent/PL80605B1/pl unknown
- 1970-04-17 DK DK194570A patent/DK132119C/da not_active IP Right Cessation
- 1970-04-17 CS CS7000002637A patent/CS185558B2/cs unknown
- 1970-04-17 CY CY775*UA patent/CY775A/xx unknown
- 1970-04-17 SU SU1427782A patent/SU378014A3/ru active
- 1970-04-17 CH CH577970A patent/CH540293A/de not_active IP Right Cessation
- 1970-04-17 LU LU60751D patent/LU60751A1/xx unknown
- 1970-04-17 FI FI701073A patent/FI51201C/fi active
- 1970-04-17 NO NO701471A patent/NO138807C/no unknown
- 1970-04-17 GB GB08471/70A patent/GB1283811A/en not_active Expired
- 1970-04-18 JP JP45033392A patent/JPS4945880B1/ja active Pending
-
1973
- 1973-02-19 SE SE7302268A patent/SE405251B/xx unknown
- 1973-08-03 JP JP48087421A patent/JPS5231356B1/ja active Pending
-
1975
- 1975-01-31 JP JP1328275A patent/JPS5537997B1/ja active Pending
- 1975-11-24 PH PH17793A patent/PH11309A/en unknown
- 1975-12-30 MY MY31/75A patent/MY7500031A/xx unknown
-
1978
- 1978-04-14 NO NO781312A patent/NO781312L/no unknown
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES378765A1 (es) | Un procedimiento para la preparacion de cefalosporinas de 3-mercaptotiazol o mercaptotetrazol. | |
| ES464162A1 (es) | Procedimiento para la preparacion de derivados de quinazolo-na. | |
| ES438313A1 (es) | Un procedimiento para la preparacion de 3-tiometilergolinas. | |
| ES413639A1 (es) | Un procedimiento para la preparacion de un compuesto deri- vado de dopamina. | |
| SE7411200L (sv) | Forfaranden for framstellning av nya heterocykliska foreningar. | |
| SE7600954L (sv) | Tetrahydroisokinolinderivat och forfarande for framstellning derav | |
| ES408970A1 (es) | Un procedimiento de preparacion de compuestos de cefalospo-rina. | |
| ES393681A1 (es) | Procedimiento para la preparacion de esteres de sulfoxido de cefalosporina. | |
| ES412859A1 (es) | Un procedimiento para la preparacion de un derivado de 7- (alfa hidroxi-alfa-fenil) acetamido - 3 - (1 - metil - 1h - tetrazol - 5 - iltiometil) cefalosporina. | |
| ES393801A1 (es) | Un procedimiento para la preparacion de compuestos semisin-teticos utilizados en la produccion de cefalosporinas, peni-cilinas y compuestos antibioticos relacionados de beta-lac- tama. | |
| ES408971A1 (es) | Un procedimiento de preparacion de compuestos de cefalospo-rina. | |
| SE7608592L (sv) | Nya homoftalimider | |
| ES449777A1 (es) | Un procedimiento para la preparacion de n-(5-tetrazolil)-pi-rimido (1, 2-a) quinolin-2-carboxamidas. | |
| ES410313A2 (es) | Procedimiento para lapreparacion de 6,7-dimetoxi-quinazoli-nonas. | |
| ES421327A1 (es) | Procedimiento para preparar 2-metil-5-nitro-1-(2-feniltioe-til) imidazoles. | |
| ES446132A1 (es) | Un procedimiento para la preparacion de nuevos derivados de acido 2-alquil (inferior)-2 o 3-cefem-4-carboxilico. | |
| GB1492393A (en) | Cephalosporin esters | |
| GB1016088A (en) | New 7-hydroxychromone derivatives | |
| ES409590A1 (es) | Un procedimiento de preparacion de compuestos de cefalospo-rina. | |
| SE7503565L (sv) | Sett att framstella propanolaminderivat | |
| ES438658A1 (es) | Un procedimiento para la preparacion de nuevos derivados de penicilina. | |
| GB1035462A (en) | Derivatives of ª‡-thiocinnamyl penicillins | |
| GB1085075A (en) | 8-aza-steroid derivatives | |
| ES450586A1 (es) | Procedimiento para preparar 1-azidoalquilimidazoles. | |
| ES414805A1 (es) | Un procedimiento para preparar monoesteres de alfa-carboxi-bencilpenicilina. |