IL32035A - 3-methyl-7(2'-(4"-nitrophenyl)acetamido)-3-cephem-4-carboxylic acid - Google Patents
3-methyl-7(2'-(4"-nitrophenyl)acetamido)-3-cephem-4-carboxylic acidInfo
- Publication number
- IL32035A IL32035A IL32035A IL3203569A IL32035A IL 32035 A IL32035 A IL 32035A IL 32035 A IL32035 A IL 32035A IL 3203569 A IL3203569 A IL 3203569A IL 32035 A IL32035 A IL 32035A
- Authority
- IL
- Israel
- Prior art keywords
- acid
- cephem
- methyl
- nitrophenyl
- carboxylic acid
- Prior art date
Links
- SYLOFPKKCGUYNL-WPZCJLIBSA-N (6R)-3-methyl-7-[[2-(4-nitrophenyl)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical compound CC=1CS[C@H]2N(C=1C(=O)O)C(C2NC(CC1=CC=C(C=C1)[N+](=O)[O-])=O)=O SYLOFPKKCGUYNL-WPZCJLIBSA-N 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims description 23
- 239000002253 acid Substances 0.000 claims description 15
- -1 cephalosporin compound Chemical class 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 229930186147 Cephalosporin Natural products 0.000 claims description 6
- 229940124587 cephalosporin Drugs 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 5
- YBADLXQNJCMBKR-UHFFFAOYSA-N (4-nitrophenyl)acetic acid Chemical compound OC(=O)CC1=CC=C([N+]([O-])=O)C=C1 YBADLXQNJCMBKR-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 229910052708 sodium Chemical group 0.000 claims description 4
- 239000011734 sodium Chemical group 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 150000008064 anhydrides Chemical class 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- OTLNPYWUJOZPPA-UHFFFAOYSA-N 4-nitrobenzoic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C=C1 OTLNPYWUJOZPPA-UHFFFAOYSA-N 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- NVIAYEIXYQCDAN-CLZZGJSISA-N 7beta-aminodeacetoxycephalosporanic acid Chemical compound S1CC(C)=C(C(O)=O)N2C(=O)[C@@H](N)[C@@H]12 NVIAYEIXYQCDAN-CLZZGJSISA-N 0.000 description 9
- HOKIDJSKDBPKTQ-GLXFQSAKSA-M cephalosporin C(1-) Chemical compound S1CC(COC(=O)C)=C(C([O-])=O)N2C(=O)[C@@H](NC(=O)CCC[C@@H]([NH3+])C([O-])=O)[C@@H]12 HOKIDJSKDBPKTQ-GLXFQSAKSA-M 0.000 description 9
- HOKIDJSKDBPKTQ-GLXFQSAKSA-N Cephalosporin C Natural products S1CC(COC(=O)C)=C(C(O)=O)N2C(=O)[C@@H](NC(=O)CCC[C@@H](N)C(O)=O)[C@@H]12 HOKIDJSKDBPKTQ-GLXFQSAKSA-N 0.000 description 8
- 238000005917 acylation reaction Methods 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 230000010933 acylation Effects 0.000 description 6
- 239000003242 anti bacterial agent Substances 0.000 description 6
- 230000003115 biocidal effect Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 241000699670 Mus sp. Species 0.000 description 5
- 229940088710 antibiotic agent Drugs 0.000 description 5
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 150000001780 cephalosporins Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- HSHGZXNAXBPPDL-HZGVNTEJSA-N 7beta-aminocephalosporanic acid Chemical compound S1CC(COC(=O)C)=C(C([O-])=O)N2C(=O)[C@@H]([NH3+])[C@@H]12 HSHGZXNAXBPPDL-HZGVNTEJSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229930182555 Penicillin Natural products 0.000 description 3
- 241000193996 Streptococcus pyogenes Species 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 229940049954 penicillin Drugs 0.000 description 3
- 210000002966 serum Anatomy 0.000 description 3
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- FYXZTVPBFJQFBO-UHFFFAOYSA-N 2-(4-nitrophenyl)acetyl chloride Chemical compound [O-][N+](=O)C1=CC=C(CC(Cl)=O)C=C1 FYXZTVPBFJQFBO-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- AGIJRRREJXSQJR-UHFFFAOYSA-N 2h-thiazine Chemical group N1SC=CC=C1 AGIJRRREJXSQJR-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241000699666 Mus <mouse, genus> Species 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 241000191940 Staphylococcus Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- OXIKYYJDTWKERT-UHFFFAOYSA-N [4-(aminomethyl)cyclohexyl]methanamine Chemical compound NCC1CCC(CN)CC1 OXIKYYJDTWKERT-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 230000036765 blood level Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000002024 ethyl acetate extract Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000001524 infective effect Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000007918 intramuscular administration Methods 0.000 description 1
- 238000010255 intramuscular injection Methods 0.000 description 1
- 239000007927 intramuscular injection Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 235000001055 magnesium Nutrition 0.000 description 1
- 229960003390 magnesium sulfate Drugs 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229940091250 magnesium supplement Drugs 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- MALMHIVBMJBNGS-UHFFFAOYSA-N n,n'-dipropylmethanediimine Chemical compound CCCN=C=NCCC MALMHIVBMJBNGS-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 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
- C07D501/22—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with radicals containing only hydrogen and carbon atoms, attached in position 3
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/54—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame
- A61K31/542—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with heterocyclic ring systems
- A61K31/545—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, cefaclor, or cephalexine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Mechanical Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermal Sciences (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72424668A | 1968-04-25 | 1968-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL32035A0 IL32035A0 (en) | 1969-06-25 |
| IL32035A true IL32035A (en) | 1972-07-26 |
Family
ID=24909645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL32035A IL32035A (en) | 1968-04-25 | 1969-04-16 | 3-methyl-7(2'-(4"-nitrophenyl)acetamido)-3-cephem-4-carboxylic acid |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3459749A (enExample) |
| CH (1) | CH521373A (enExample) |
| DE (1) | DE1921206A1 (enExample) |
| DK (1) | DK124757B (enExample) |
| FR (1) | FR2007515A1 (enExample) |
| GB (1) | GB1210489A (enExample) |
| IE (1) | IE33115B1 (enExample) |
| IL (1) | IL32035A (enExample) |
| NL (1) | NL160488C (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2440268A1 (de) * | 1974-08-22 | 1976-03-04 | Bayer Ag | Beta-lactamantibiotika, verfahren zu ihrer herstellung sowie ihre verwendung als arzneimittel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3157648A (en) * | 1961-08-25 | 1964-11-17 | Smith Kline French Lab | Derivatives of 7-aminocephalo-sporanic acid |
| FR1524026A (fr) * | 1963-03-27 | 1968-05-10 | Glaxo Lab Ltd | Dérivés de l'acide 7-aminocéphalosporanique et procédé pour leur préparation |
| FR1524027A (fr) * | 1963-05-28 | 1968-05-10 | Glaxo Lab Ltd | Dérivés de l'acide 7-aminocéphalosporanique et leur procédé de préparation |
| US3382241A (en) * | 1967-02-27 | 1968-05-07 | Lilly Co Eli | Certain orally active cephalosporin antibiotics |
-
1968
- 1968-04-25 US US724246A patent/US3459749A/en not_active Expired - Lifetime
-
1969
- 1969-04-14 IE IE493/69A patent/IE33115B1/xx unknown
- 1969-04-16 IL IL32035A patent/IL32035A/en unknown
- 1969-04-21 NL NL6906146.A patent/NL160488C/xx not_active IP Right Cessation
- 1969-04-24 FR FR6913027A patent/FR2007515A1/fr not_active Withdrawn
- 1969-04-24 GB GB21075/69A patent/GB1210489A/en not_active Expired
- 1969-04-24 DK DK225769AA patent/DK124757B/da unknown
- 1969-04-24 CH CH625869A patent/CH521373A/de not_active IP Right Cessation
- 1969-04-25 DE DE19691921206 patent/DE1921206A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DK124757B (da) | 1972-11-20 |
| IE33115B1 (en) | 1974-03-20 |
| DE1921206A1 (de) | 1969-11-20 |
| IE33115L (en) | 1969-10-25 |
| FR2007515A1 (enExample) | 1970-01-09 |
| GB1210489A (en) | 1970-10-28 |
| NL160488B (nl) | 1979-06-15 |
| NL6906146A (enExample) | 1969-10-28 |
| IL32035A0 (en) | 1969-06-25 |
| US3459749A (en) | 1969-08-05 |
| CH521373A (de) | 1972-04-15 |
| NL160488C (nl) | 1979-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3935204A (en) | Cephalosporin and pharmaceutical preparations containing the same | |
| PL87735B1 (en) | Phthalide penicillin ester intermediates[USRE29650E] | |
| NO134913B (enExample) | ||
| US4918068A (en) | Cephem compounds | |
| JPS6396186A (ja) | ７−［（メタ−置換）フェニルグリシン］１−カルバ−１−デチアセファロスポリン類 | |
| US4053360A (en) | Enzymatic preparation of 6-D-(-)-α-amino-α-(p-hydroxyphenylacetamino)penicillin acid | |
| US3382241A (en) | Certain orally active cephalosporin antibiotics | |
| US4059578A (en) | 7-Substituted mercaptoacetamido cephamycins | |
| US4104469A (en) | 7-(Syn-α-alkoxy-iminofuryl)acetamido-3-(2-methyl-2,3-dihydro-s-triazolo[4,3-b]pyridazin-3-on-6-ylthiomethyl)-3-cephem-4-carboxylic acids | |
| IL32035A (en) | 3-methyl-7(2'-(4"-nitrophenyl)acetamido)-3-cephem-4-carboxylic acid | |
| US3996236A (en) | Methoxymethyl D-6-(2,2-dimethyl-5-oxo-4-phenyl-1-imidazolidinyl)penicillanate | |
| US2756226A (en) | Acid-stable penicillins | |
| US3578661A (en) | Process for the preparation of 7-(alpha-(4 - pyridylthio)acetamido)cephalosporanic acids | |
| US4501741A (en) | Cephalosporin antibiotics | |
| AU600536B2 (en) | Crystalline salts of {3s(z)}-2-{{{1-(2-amino-4-thiazolyl) -2-{{2,2-dimethyl-4-oxo-1-(sulfooxy)-3-azetidinyl}-amino-2- oxoethylidene}-amino}oxy}acetic acid | |
| US3766177A (en) | Certain delta-3 cephalosporin compounds | |
| US3157648A (en) | Derivatives of 7-aminocephalo-sporanic acid | |
| GB1599232A (en) | 7-(2-oximinoacetamido)-cephalosporin derivatives | |
| US3647789A (en) | Cephalosporanic acids | |
| US3852283A (en) | Amino acid derivatives of cephalosporins | |
| US4490370A (en) | Naphthylglycyl cephalosporin derivatives | |
| US3682981A (en) | 2-amino-2-(1,4-cyclohexadienyl) acetic acid | |
| US3116285A (en) | Novel penicillin compounds | |
| US4252974A (en) | Cephalosporin compounds | |
| US4180658A (en) | 7[-2-Alkoxyamino(acetamido)]cephalosporin derivatives |