HU196810B - Process for producing stabile hydrate of penicillin derivatives - Google Patents
Process for producing stabile hydrate of penicillin derivatives Download PDFInfo
- Publication number
- HU196810B HU196810B HU874281A HU428187A HU196810B HU 196810 B HU196810 B HU 196810B HU 874281 A HU874281 A HU 874281A HU 428187 A HU428187 A HU 428187A HU 196810 B HU196810 B HU 196810B
- Authority
- HU
- Hungary
- Prior art keywords
- methyl
- water
- solution
- trihydrate
- weak
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 19
- 150000002960 penicillins Chemical class 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- -1 (2R) -2-amino-3- (N-methylcarbamoyl) propionoyl Chemical group 0.000 claims description 15
- 150000003839 salts Chemical class 0.000 claims description 10
- 150000004684 trihydrates Chemical class 0.000 claims description 10
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000012736 aqueous medium Substances 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 claims description 2
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 claims description 2
- 229940080818 propionamide Drugs 0.000 claims description 2
- NNYHKYDYHWSHKQ-UHFFFAOYSA-N 4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Chemical compound OC(=O)C1CSC2CCN12 NNYHKYDYHWSHKQ-UHFFFAOYSA-N 0.000 claims 1
- 125000004464 hydroxyphenyl group Chemical group 0.000 claims 1
- ATPVSNJCPGPJGO-XUXOXWKISA-N 6-[[(1s)-2-[[(2s)-4-amino-2-(methylamino)-4-oxobutanoyl]amino]-1-(4-hydroxyphenyl)-2-oxoethyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Chemical compound C1([C@H](NC2C(N3C(C(C)(C)SC32)C(O)=O)=O)C(=O)NC(=O)[C@H](CC(N)=O)NC)=CC=C(O)C=C1 ATPVSNJCPGPJGO-XUXOXWKISA-N 0.000 description 25
- 239000000243 solution Substances 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- 229960003022 amoxicillin Drugs 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 238000004128 high performance liquid chromatography Methods 0.000 description 7
- LSQZJLSUYDQPKJ-UHFFFAOYSA-N p-Hydroxyampicillin Natural products O=C1N2C(C(O)=O)C(C)(C)SC2C1NC(=O)C(N)C1=CC=C(O)C=C1 LSQZJLSUYDQPKJ-UHFFFAOYSA-N 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 235000019441 ethanol Nutrition 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000002609 medium Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 229960004920 amoxicillin trihydrate Drugs 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- AHLPHDHHMVZTML-BYPYZUCNSA-N L-Ornithine Chemical compound NCCC[C@H](N)C(O)=O AHLPHDHHMVZTML-BYPYZUCNSA-N 0.000 description 2
- HNDVDQJCIGZPNO-YFKPBYRVSA-N L-histidine Chemical compound OC(=O)[C@@H](N)CC1=CN=CN1 HNDVDQJCIGZPNO-YFKPBYRVSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- LSQZJLSUYDQPKJ-NJBDSQKTSA-N amoxicillin Chemical compound C1([C@@H](N)C(=O)N[C@H]2[C@H]3SC([C@@H](N3C2=O)C(O)=O)(C)C)=CC=C(O)C=C1 LSQZJLSUYDQPKJ-NJBDSQKTSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000002178 crystalline material Substances 0.000 description 2
- IWYDHOAUDWTVEP-UHFFFAOYSA-N mandelic acid Chemical compound OC(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-N 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- NGHVIOIJCVXTGV-ALEPSDHESA-N 6-aminopenicillanic acid Chemical compound [O-]C(=O)[C@H]1C(C)(C)S[C@@H]2[C@H]([NH3+])C(=O)N21 NGHVIOIJCVXTGV-ALEPSDHESA-N 0.000 description 1
- NGHVIOIJCVXTGV-UHFFFAOYSA-N 6beta-amino-penicillanic acid Natural products OC(=O)C1C(C)(C)SC2C(N)C(=O)N21 NGHVIOIJCVXTGV-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound 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 description 1
- ODKSFYDXXFIFQN-BYPYZUCNSA-N L-arginine Chemical compound OC(=O)[C@@H](N)CCCN=C(N)N ODKSFYDXXFIFQN-BYPYZUCNSA-N 0.000 description 1
- 229930064664 L-arginine Natural products 0.000 description 1
- 235000014852 L-arginine Nutrition 0.000 description 1
- AHLPHDHHMVZTML-UHFFFAOYSA-N Orn-delta-NH2 Natural products NCCCC(N)C(O)=O AHLPHDHHMVZTML-UHFFFAOYSA-N 0.000 description 1
- 229930182555 Penicillin Natural products 0.000 description 1
- 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 1
- QIOZLISABUUKJY-UHFFFAOYSA-N Thiobenzamide Chemical compound NC(=S)C1=CC=CC=C1 QIOZLISABUUKJY-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229940024606 amino acid Drugs 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 229940127089 cytotoxic agent Drugs 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229960002885 histidine Drugs 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- YTJSFYQNRXLOIC-UHFFFAOYSA-N octadecylsilane Chemical compound CCCCCCCCCCCCCCCCCC[SiH3] YTJSFYQNRXLOIC-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 229960003104 ornithine Drugs 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229940083608 sodium hydroxide Drugs 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- WPLOVIFNBMNBPD-ATHMIXSHSA-N subtilin Chemical compound CC1SCC(NC2=O)C(=O)NC(CC(N)=O)C(=O)NC(C(=O)NC(CCCCN)C(=O)NC(C(C)CC)C(=O)NC(=C)C(=O)NC(CCCCN)C(O)=O)CSC(C)C2NC(=O)C(CC(C)C)NC(=O)C1NC(=O)C(CCC(N)=O)NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C1NC(=O)C(=C/C)/NC(=O)C(CCC(N)=O)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)CNC(=O)C(NC(=O)C(NC(=O)C2NC(=O)CNC(=O)C3CCCN3C(=O)C(NC(=O)C3NC(=O)C(CC(C)C)NC(=O)C(=C)NC(=O)C(CCC(O)=O)NC(=O)C(NC(=O)C(CCCCN)NC(=O)C(N)CC=4C5=CC=CC=C5NC=4)CSC3)C(C)SC2)C(C)C)C(C)SC1)CC1=CC=CC=C1 WPLOVIFNBMNBPD-ATHMIXSHSA-N 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D499/04—Preparation
- C07D499/18—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D499/21—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
- C07D499/44—Compounds with an amino radical acylated by carboxylic acids, attached in position 6
- C07D499/48—Compounds with an amino radical acylated by carboxylic acids, attached in position 6 with a carbon chain, substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, attached to the carboxamido radical
- C07D499/58—Compounds with an amino radical acylated by carboxylic acids, attached in position 6 with a carbon chain, substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, attached to the carboxamido radical substituted in alpha-position to the carboxamido radical
- C07D499/64—Compounds with an amino radical acylated by carboxylic acids, attached in position 6 with a carbon chain, substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, attached to the carboxamido radical substituted in alpha-position to the carboxamido radical by nitrogen atoms
- C07D499/68—Compounds with an amino radical acylated by carboxylic acids, attached in position 6 with a carbon chain, substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, attached to the carboxamido radical substituted in alpha-position to the carboxamido radical by nitrogen atoms with aromatic rings as additional substituents on the carbon chain
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oncology (AREA)
- Pharmacology & Pharmacy (AREA)
- Communicable Diseases (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Medicinal Preparation (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61226423A JPS6379888A (ja) | 1986-09-24 | 1986-09-24 | ペニシリン誘導体の安定型水和物 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HUT45263A HUT45263A (en) | 1988-06-28 |
| HU196810B true HU196810B (en) | 1989-01-30 |
Family
ID=16844890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU874281A HU196810B (en) | 1986-09-24 | 1987-09-23 | Process for producing stabile hydrate of penicillin derivatives |
Country Status (24)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375123A (en) * | 1993-02-05 | 1994-12-20 | Telefonakitebolaget L. M. Ericsson | Allocation of channels using interference estimation |
| US6473602B1 (en) | 1996-10-28 | 2002-10-29 | Ericsson Inc. | Mobile assisted handoff in radiocommunication systems |
| PE20000879A1 (es) * | 1998-04-29 | 2000-09-23 | Dsm Nv | METODO PARA CRISTALIZAR UN ANTIBIOTICO ß-LACTAMICO |
| KR101879756B1 (ko) * | 2016-11-30 | 2018-08-17 | 주식회사 지앤지비 | 욕실용 난방기 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6705789A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1967-03-08 | 1968-09-09 | ||
| GB1241844A (en) * | 1968-08-23 | 1971-08-04 | Beecham Group Ltd | Penicillins |
| US4053609A (en) * | 1975-09-12 | 1977-10-11 | Tanabe Seiyaku Co., Ltd. | Penicillins and processes for preparing the same |
| JPS5640686A (en) * | 1979-09-11 | 1981-04-16 | Tanabe Seiyaku Co Ltd | Purification of penicillin derivative |
-
1986
- 1986-09-24 JP JP61226423A patent/JPS6379888A/ja active Granted
-
1987
- 1987-09-01 IE IE234687A patent/IE60042B1/en not_active IP Right Cessation
- 1987-09-03 EP EP87307794A patent/EP0261823B1/en not_active Expired - Lifetime
- 1987-09-03 ES ES198787307794T patent/ES2026545T3/es not_active Expired - Lifetime
- 1987-09-03 AT AT87307794T patent/ATE59655T1/de not_active IP Right Cessation
- 1987-09-03 DE DE8787307794T patent/DE3766921D1/de not_active Expired - Lifetime
- 1987-09-04 IL IL83786A patent/IL83786A/xx not_active IP Right Cessation
- 1987-09-09 ZA ZA876739A patent/ZA876739B/xx unknown
- 1987-09-11 PH PH35805A patent/PH23644A/en unknown
- 1987-09-12 CN CN87106308A patent/CN1021225C/zh not_active Expired - Fee Related
- 1987-09-18 US US07/098,364 patent/US4866170A/en not_active Expired - Fee Related
- 1987-09-22 AU AU78827/87A patent/AU592467B2/en not_active Ceased
- 1987-09-22 MY MYPI87001873A patent/MY102553A/en unknown
- 1987-09-23 PT PT85773A patent/PT85773B/pt not_active IP Right Cessation
- 1987-09-23 CA CA000547616A patent/CA1286285C/en not_active Expired - Lifetime
- 1987-09-23 SU SU874203390A patent/SU1517764A3/ru active
- 1987-09-23 HU HU874281A patent/HU196810B/hu not_active IP Right Cessation
- 1987-09-23 DK DK500887A patent/DK167319B1/da not_active IP Right Cessation
- 1987-09-23 FI FI874152A patent/FI86853C/fi not_active IP Right Cessation
- 1987-09-23 NO NO873969A patent/NO169717C/no not_active IP Right Cessation
- 1987-09-24 KR KR1019870010566A patent/KR920003902B1/ko not_active Expired
- 1987-10-15 AT AT0273187A patent/AT389311B/de not_active IP Right Cessation
-
1991
- 1991-01-03 GR GR90400968T patent/GR3001274T3/el unknown
-
1993
- 1993-02-11 SG SG153/93A patent/SG15393G/en unknown
- 1993-04-29 HK HK420/93A patent/HK42093A/en not_active IP Right Cessation
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| HU196810B (en) | Process for producing stabile hydrate of penicillin derivatives | |
| IE38750B1 (en) | 7-(d-alpha-amino-1,4-cyclohexadien-1-ylacetamido) desacetoxycephalosporanic acid dihydrate | |
| US4727070A (en) | 3-Propenzl cephalosporin isomer separation process and derivative | |
| US4520205A (en) | Chemical resolution of (+)-2,3-dihydroindole-2-carboxylic acid | |
| MXPA02000058A (es) | Sal difosfato de un derivado de 4" -sustituido-9-desoxo-9a-homoeritromicina y su composicion farmaceutica. | |
| SU860705A3 (ru) | Способ получени кристаллической формы D-конфигурации диаммониевой соли 7 - -карбокси- -( -оксифенил)ацетамидо/-7 -метокси-3-(1-метилтетразол-5-ил)-тиометил-1-оксадетиа-3-цефем-4-карбоновой кислоты | |
| KR840000036B1 (ko) | 옥사-β-락탐 2산 화합물의 D-세스퀴나트륨염의 제조방법 | |
| US4970305A (en) | Crystalline dihydrochloride of cephalosporin derivative and a method for preparation thereof | |
| US4048158A (en) | d-α-Isobutylsulfobenzylpenicillin hemi-solvate crystals | |
| EP0094639A2 (en) | Sodium 7-beta-(2D-2-amino-2-carboxyethylthioacetamido)-7-alpha-methoxy-3-(1-methyl-1H-tetrazol-5-yl)-thiomethyl-3-cephem-4-carboxylate heptahydrate, process for its preparation as well as pharmaceutical compositions containing same | |
| US4115439A (en) | Process for the preparation of optically active α-phenylglycine and intermediates thereof | |
| CA1210387A (en) | .beta.-LACTAM ANTIBIOTICS | |
| US3843642A (en) | Cephalosporin c derivatives | |
| GB2108124A (en) | Novel cephalosporin salt and its use in a purification process | |
| KR830001970B1 (ko) | 세파로스포린 유도체의 제조방법 | |
| JPH0665254A (ja) | セフォラニド誘導体 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 | ||
| HMM4 | Cancellation of final prot. due to non-payment of fee |