CH678624A5 - - Google Patents

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Info

Publication number: CH678624A5
Authority: CH; Switzerland
Prior art keywords: formula; compound; preparation; compounds; ceph
Prior art date: 1988-05-03

Application number

CH1660/89A

Other languages

German (de)

English (en)

Inventor

Michael George Grey

Original Assignee

Glaxo Group Ltd

Priority date (The priority date 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 date listed.)

1988-05-03

Filing date

1989-05-02

Publication date

1991-10-15

1989-05-02 Application filed by Glaxo Group Ltd filed Critical Glaxo Group Ltd

1991-10-15 Publication of CH678624A5 publication Critical patent/CH678624A5/de

Links

150000001875 compounds Chemical class 0.000 claims description 32
238000000034 method Methods 0.000 claims description 20
-1 Ceph-3-em compound Chemical class 0.000 claims description 13
KEJCWVGMRLCZQQ-YJBYXUATSA-N Cefuroxime axetil Chemical compound N([C@@H]1C(N2C(=C(COC(N)=O)CS[C@@H]21)C(=O)OC(C)OC(C)=O)=O)C(=O)\C(=N/OC)C1=CC=CO1 KEJCWVGMRLCZQQ-YJBYXUATSA-N 0.000 claims description 8
125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 8
229960002620 cefuroxime axetil Drugs 0.000 claims description 8
238000002360 preparation method Methods 0.000 claims description 8
238000006146 oximation reaction Methods 0.000 claims description 6
125000006239 protecting group Chemical group 0.000 claims description 6
125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
150000003839 salts Chemical class 0.000 claims description 5
125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 claims description 4
239000003795 chemical substances by application Substances 0.000 claims description 4
SXBDXXFTJVHSAF-ZCFIWIBFSA-N (6r)-5-thia-1-azabicyclo[4.2.0]oct-3-en-8-one Chemical compound S1C=CCN2C(=O)C[C@H]21 SXBDXXFTJVHSAF-ZCFIWIBFSA-N 0.000 claims description 3
GMPKIPWJBDOURN-UHFFFAOYSA-N Methoxyamine Chemical group CON GMPKIPWJBDOURN-UHFFFAOYSA-N 0.000 claims description 2
230000000712 assembly Effects 0.000 claims 1
238000000429 assembly Methods 0.000 claims 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 36
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 12
239000000243 solution Substances 0.000 description 12
238000006243 chemical reaction Methods 0.000 description 11
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
239000000543 intermediate Substances 0.000 description 5
239000010410 layer Substances 0.000 description 5
239000000203 mixture Substances 0.000 description 5
239000000047 product Substances 0.000 description 5
229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
235000017557 sodium bicarbonate Nutrition 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
229930186147 Cephalosporin Natural products 0.000 description 4
JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
239000002253 acid Substances 0.000 description 4
239000002585 base Substances 0.000 description 4
229940124587 cephalosporin Drugs 0.000 description 4
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
125000002252 acyl group Chemical group 0.000 description 3
150000001780 cephalosporins Chemical class 0.000 description 3
229910052736 halogen Inorganic materials 0.000 description 3
239000003208 petroleum Substances 0.000 description 3
NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
239000011541 reaction mixture Substances 0.000 description 3
239000007787 solid Substances 0.000 description 3
150000003462 sulfoxides Chemical class 0.000 description 3
RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
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 2
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 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
KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
238000010945 base-catalyzed hydrolysis reactiony Methods 0.000 description 2
239000012267 brine Substances 0.000 description 2
DIKBFYAXUHHXCS-UHFFFAOYSA-N bromoform Chemical compound BrC(Br)Br DIKBFYAXUHHXCS-UHFFFAOYSA-N 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
238000004587 chromatography analysis Methods 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
238000001035 drying Methods 0.000 description 2
150000002148 esters Chemical class 0.000 description 2
150000002170 ethers Chemical class 0.000 description 2
150000008282 halocarbons Chemical class 0.000 description 2
238000004128 high performance liquid chromatography Methods 0.000 description 2
238000011065 in-situ storage Methods 0.000 description 2
239000012044 organic layer Substances 0.000 description 2
229910000027 potassium carbonate Inorganic materials 0.000 description 2
UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
239000012429 reaction media Substances 0.000 description 2
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
239000002904 solvent Substances 0.000 description 2
239000007858 starting material Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
DGJSPZSLNNDPQC-ZMMDDIOLSA-N (6r)-5-oxo-5$l^{4}-thia-1-azabicyclo[4.2.0]oct-2-en-8-one Chemical compound C1=CCS(=O)[C@H]2N1C(=O)C2 DGJSPZSLNNDPQC-ZMMDDIOLSA-N 0.000 description 1
FZEVMBJWXHDLDB-ZCFIWIBFSA-N (6r)-5-thia-1-azabicyclo[4.2.0]oct-2-en-8-one Chemical compound S1CC=CN2C(=O)C[C@H]21 FZEVMBJWXHDLDB-ZCFIWIBFSA-N 0.000 description 1
IIASCQBFNHWZBE-UHFFFAOYSA-N 1-bromoethyl acetate Chemical compound CC(Br)OC(C)=O IIASCQBFNHWZBE-UHFFFAOYSA-N 0.000 description 1
IXVPCJUAKDVYKX-UHFFFAOYSA-N 2-(furan-2-yl)-2-oxoacetic acid Chemical compound OC(=O)C(=O)C1=CC=CO1 IXVPCJUAKDVYKX-UHFFFAOYSA-N 0.000 description 1
NHQDETIJWKXCTC-UHFFFAOYSA-N 3-chloroperbenzoic acid Chemical compound OOC(=O)C1=CC=CC(Cl)=C1 NHQDETIJWKXCTC-UHFFFAOYSA-N 0.000 description 1
241000894006 Bacteria Species 0.000 description 1
108020004256 Beta-lactamase Proteins 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 1
239000002841 Lewis acid Substances 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
239000012346 acetyl chloride Substances 0.000 description 1
125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
238000005903 acid hydrolysis reaction Methods 0.000 description 1
125000002015 acyclic group Chemical group 0.000 description 1
230000010933 acylation Effects 0.000 description 1
238000005917 acylation reaction Methods 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
239000003513 alkali Substances 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
150000008041 alkali metal carbonates Chemical class 0.000 description 1
125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
150000001450 anions Chemical class 0.000 description 1
239000012736 aqueous medium Substances 0.000 description 1
BPCUOKKXIHSJFM-KYSFMIDTSA-N benzhydryl (6r,7r)-7-amino-3-(carbamoyloxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;4-methylbenzenesulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1.S([C@@H]1[C@@H](C(N11)=O)N)CC(COC(N)=O)=C1C(=O)OC(C=1C=CC=CC=1)C1=CC=CC=C1 BPCUOKKXIHSJFM-KYSFMIDTSA-N 0.000 description 1
102000006635 beta-lactamase Human genes 0.000 description 1
230000003115 biocidal effect Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
229960001668 cefuroxime Drugs 0.000 description 1
JFPVXVDWJQMJEE-IZRZKJBUSA-N cefuroxime Chemical compound N([C@@H]1C(N2C(=C(COC(N)=O)CS[C@@H]21)C(O)=O)=O)C(=O)\C(=N/OC)C1=CC=CO1 JFPVXVDWJQMJEE-IZRZKJBUSA-N 0.000 description 1
125000002668 chloroacetyl group Chemical group ClCC(=O)* 0.000 description 1
238000004440 column chromatography Methods 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
150000004292 cyclic ethers Chemical class 0.000 description 1
SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
238000001962 electrophoresis Methods 0.000 description 1
230000032050 esterification Effects 0.000 description 1
238000005886 esterification reaction Methods 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
150000002367 halogens Chemical group 0.000 description 1
GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
XNXVOSBNFZWHBV-UHFFFAOYSA-N hydron;o-methylhydroxylamine;chloride Chemical compound Cl.CON XNXVOSBNFZWHBV-UHFFFAOYSA-N 0.000 description 1
239000012442 inert solvent Substances 0.000 description 1
150000007529 inorganic bases Chemical class 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
239000002198 insoluble material Substances 0.000 description 1
XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
229940006461 iodide ion Drugs 0.000 description 1
238000004255 ion exchange chromatography Methods 0.000 description 1
150000002576 ketones Chemical class 0.000 description 1
150000007517 lewis acids Chemical class 0.000 description 1
229910001629 magnesium chloride Inorganic materials 0.000 description 1
229910052943 magnesium sulfate Inorganic materials 0.000 description 1
235000019341 magnesium sulphate Nutrition 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
239000011707 mineral Substances 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
150000002825 nitriles Chemical class 0.000 description 1
125000004971 nitroalkyl group Chemical group 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
239000012457 nonaqueous media Substances 0.000 description 1
229940127249 oral antibiotic Drugs 0.000 description 1
150000004965 peroxy acids Chemical class 0.000 description 1
XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
150000003242 quaternary ammonium salts Chemical class 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
239000013074 reference sample Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000011347 resin Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
239000012453 solvate Substances 0.000 description 1
238000000638 solvent extraction Methods 0.000 description 1
239000012258 stirred mixture Substances 0.000 description 1
AAMCVENDCXWDPJ-UHFFFAOYSA-N sulfanyl acetate Chemical class CC(=O)OS AAMCVENDCXWDPJ-UHFFFAOYSA-N 0.000 description 1
HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
150000003457 sulfones Chemical class 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
150000003556 thioamides Chemical class 0.000 description 1
238000001665 trituration Methods 0.000 description 1
238000005406 washing Methods 0.000 description 1
239000011592 zinc chloride Substances 0.000 description 1
235000005074 zinc chloride Nutrition 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
- C07D501/02—Preparation
- C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
- 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
- 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
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
- C07D501/34—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group with the 7-amino radical acylated by carboxylic acids containing hetero rings
- 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)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CH1660/89A 1988-05-03 1989-05-02 CH678624A5 (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB888810393A GB8810393D0 (en)	1988-05-03	1988-05-03	Chemical process

Publications (1)

Publication Number	Publication Date
CH678624A5 true CH678624A5 (it)	1991-10-15

Family

ID=10636246

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1660/89A CH678624A5 (it)	1988-05-03	1989-05-02

Country Status (8)

Country	Link
JP (1)	JPH0256489A (it)
KR (1)	KR970001530B1 (it)
CH (1)	CH678624A5 (it)
DE (1)	DE3914672A1 (it)
FR (1)	FR2631032A1 (it)
GB (2)	GB8810393D0 (it)
IT (1)	IT1232829B (it)
NL (1)	NL8901110A (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1208015A (en) *	1967-03-23	1970-10-07	Glaxo Lab Ltd	Cephalosporins
GB1208014A (en) *	1967-03-23	1970-10-07	Glaxo Lab Ltd	Cephalosporins
CA1094545A (en) *	1976-02-16	1981-01-27	Michael Gregson	Cephalosporin antibiotics
GB8400024D0 (en) *	1984-01-03	1984-02-08	Glaxo Group Ltd	Cephalosporin antibiotics

1988
- 1988-05-03 GB GB888810393A patent/GB8810393D0/en active Pending
1989
- 1989-05-02 GB GB8909986A patent/GB2218092A/en not_active Withdrawn
- 1989-05-02 KR KR1019890005922A patent/KR970001530B1/ko not_active Expired - Fee Related
- 1989-05-02 CH CH1660/89A patent/CH678624A5/de not_active IP Right Cessation
- 1989-05-02 JP JP1112311A patent/JPH0256489A/ja active Pending
- 1989-05-02 IT IT8947903A patent/IT1232829B/it active
- 1989-05-02 NL NL8901110A patent/NL8901110A/nl not_active Application Discontinuation
- 1989-05-03 DE DE3914672A patent/DE3914672A1/de not_active Withdrawn
- 1989-05-03 FR FR8905906A patent/FR2631032A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
FR2631032A1 (fr)	1989-11-10
GB8810393D0 (en)	1988-06-08
IT8947903A0 (it)	1989-05-02
GB2218092A (en)	1989-11-08
DE3914672A1 (de)	1989-11-16
GB8909986D0 (en)	1989-06-21
KR970001530B1 (ko)	1997-02-11
NL8901110A (nl)	1989-12-01
JPH0256489A (ja)	1990-02-26
KR890017255A (ko)	1989-12-15
IT1232829B (it)	1992-03-05

Legal Events

Date	Code	Title	Description
1993-01-29	PL	Patent ceased
2024-10-31	PL	Patent ceased

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