DK155329B - 7-aminocephalosporiner til anvendelse som mellemprodukter ved fremstilling af terapeutisk virksomme 7-acylamino-cephalosporiner - Google Patents
7-aminocephalosporiner til anvendelse som mellemprodukter ved fremstilling af terapeutisk virksomme 7-acylamino-cephalosporiner Download PDFInfo
- Publication number
- DK155329B DK155329B DK453687A DK453687A DK155329B DK 155329 B DK155329 B DK 155329B DK 453687 A DK453687 A DK 453687A DK 453687 A DK453687 A DK 453687A DK 155329 B DK155329 B DK 155329B
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- DK
- Denmark
- Prior art keywords
- methyl
- amino
- thio
- dioxo
- cephem
- Prior art date
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- 238000002360 preparation method Methods 0.000 title description 7
- 239000000543 intermediate Substances 0.000 title description 5
- 230000001225 therapeutic effect Effects 0.000 title 1
- -1 2-oxo-pyrimidin-4-yl Chemical group 0.000 claims description 74
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 43
- 125000000446 sulfanediyl group Chemical group *S* 0.000 claims description 43
- 150000003839 salts Chemical class 0.000 claims description 26
- 229940124587 cephalosporin Drugs 0.000 claims description 25
- 229930186147 Cephalosporin Natural products 0.000 claims description 22
- 150000001780 cephalosporins Chemical class 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 20
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 claims description 4
- XFWCOIJLWVJCIH-FFFFSGIJSA-N (6R)-7-amino-3-[(1,4-dimethyl-6-oxopyrimidin-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical group NC1[C@@H]2N(C(=C(CS2)CSC=2N(C(C=C(N=2)C)=O)C)C(=O)O)C1=O XFWCOIJLWVJCIH-FFFFSGIJSA-N 0.000 claims description 2
- BAPASQZQEGXZCN-OMNKOJBGSA-N (6R)-7-amino-3-[(1-amino-2-oxopyrimidin-4-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical group NC1[C@@H]2N(C(=C(CS2)CSC2=NC(N(C=C2)N)=O)C(=O)O)C1=O BAPASQZQEGXZCN-OMNKOJBGSA-N 0.000 claims description 2
- JZXGWZBKZRCIBV-FFFFSGIJSA-N (6R)-7-amino-3-[(1-ethyl-2-oxopyrimidin-4-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical group NC1[C@@H]2N(C(=C(CS2)CSC2=NC(N(C=C2)CC)=O)C(=O)O)C1=O JZXGWZBKZRCIBV-FFFFSGIJSA-N 0.000 claims 1
- XHJZQHADWLOOEG-JLOHTSLTSA-N (6R)-7-amino-3-[(1-ethyl-6-methyl-4-oxopyrimidin-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical group NC1[C@@H]2N(C(=C(CS2)CSC=2N(C(=CC(N=2)=O)C)CC)C(=O)O)C1=O XHJZQHADWLOOEG-JLOHTSLTSA-N 0.000 claims 1
- YHFNRYBIGLJVKT-UHFFFAOYSA-N 1,4-diethyl-1,2,4-triazine-5,6-dione Chemical compound CCN1C=NN(CC)C(=O)C1=O YHFNRYBIGLJVKT-UHFFFAOYSA-N 0.000 claims 1
- DNCYBUMDUBHIJZ-UHFFFAOYSA-N 1h-pyrimidin-6-one Chemical compound O=C1C=CN=CN1 DNCYBUMDUBHIJZ-UHFFFAOYSA-N 0.000 claims 1
- 125000000066 S-methyl group Chemical group [H]C([H])([H])S* 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
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- 150000001875 compounds Chemical class 0.000 description 29
- 239000000243 solution Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 25
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- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 125000000217 alkyl group Chemical group 0.000 description 14
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- 159000000000 sodium salts Chemical class 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 9
- 125000003545 alkoxy group Chemical group 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 9
- LOMVENUNSWAXEN-UHFFFAOYSA-N Methyl oxalate Chemical compound COC(=O)C(=O)OC LOMVENUNSWAXEN-UHFFFAOYSA-N 0.000 description 8
- 238000000967 suction filtration Methods 0.000 description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- CYQAYERJWZKYML-UHFFFAOYSA-N phosphorus pentasulfide Chemical compound S1P(S2)(=S)SP3(=S)SP1(=S)SP2(=S)S3 CYQAYERJWZKYML-UHFFFAOYSA-N 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- 125000003342 alkenyl group Chemical group 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 125000004200 2-methoxyethyl group Chemical group [H]C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical group 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 125000006239 protecting group Chemical group 0.000 description 4
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 3
- KPLDRYODCDLNHB-UHFFFAOYSA-N 1-ethylpyrimidine-2,4-dione Chemical compound CCN1C=CC(=O)NC1=O KPLDRYODCDLNHB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 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 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000009835 boiling Methods 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
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- IPYIJZIDLRDWTO-MGAKOFKPSA-N (6R)-7-amino-3-[(1-ethyl-5,6-dioxo-4H-1,2,4-triazin-3-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical compound NC1[C@@H]2N(C(=C(CS2)CSC=2NN(C(C(N=2)=O)=O)CC)C(=O)O)C1=O IPYIJZIDLRDWTO-MGAKOFKPSA-N 0.000 description 2
- BMBKIGKFUHIDPU-UHFFFAOYSA-N 1-carbamothioyl-3-methylurea Chemical compound CNC(=O)NC(N)=S BMBKIGKFUHIDPU-UHFFFAOYSA-N 0.000 description 2
- GRWAIJBHBCCLGS-UHFFFAOYSA-N 2-(tetrazol-1-yl)acetic acid Chemical compound OC(=O)CN1C=NN=N1 GRWAIJBHBCCLGS-UHFFFAOYSA-N 0.000 description 2
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 description 2
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 description 2
- LFYOIWKDYNCFNR-UHFFFAOYSA-N 4-ethyl-3-sulfanylidene-1,2,4-triazinane-5,6-dione Chemical compound CCN1C(S)=NN=C(O)C1=O LFYOIWKDYNCFNR-UHFFFAOYSA-N 0.000 description 2
- FAONJYDUFJRVGW-UHFFFAOYSA-N 5,6-dichloro-2-methylpyridazin-3-one Chemical compound CN1N=C(Cl)C(Cl)=CC1=O FAONJYDUFJRVGW-UHFFFAOYSA-N 0.000 description 2
- OWKCZXVFRZFBGA-UHFFFAOYSA-N 5-chloro-1-ethylpyrimidine-2,4-dione Chemical compound CCN1C=C(Cl)C(=O)NC1=O OWKCZXVFRZFBGA-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-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
- 229930182555 Penicillin Natural products 0.000 description 2
- 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 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
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- 229960000583 acetic acid Drugs 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 150000007530 organic bases Chemical group 0.000 description 2
- 125000004043 oxo group Chemical group O=* 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 229940049954 penicillin Drugs 0.000 description 2
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
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- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
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- 235000011152 sodium sulphate Nutrition 0.000 description 2
- WRVHPSSSTBDGRK-UHFFFAOYSA-N sodium;sulfane;hydrate Chemical compound O.[Na].S WRVHPSSSTBDGRK-UHFFFAOYSA-N 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
- 238000011282 treatment Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- FZAWNRWNLXOEIA-JOPIAHFSSA-N (6R)-7-amino-3-[(1-butoxy-5-methyl-2-oxopyrimidin-4-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical compound NC1[C@@H]2N(C(=C(CS2)CSC2=NC(N(C=C2C)OCCCC)=O)C(=O)O)C1=O FZAWNRWNLXOEIA-JOPIAHFSSA-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
- VLQMHTXSYRXAJU-UHFFFAOYSA-N 1,4-diethyl-3-sulfanylidene-1,2,4-triazinane-5,6-dione Chemical compound CCN1N=C(S)N(CC)C(=O)C1=O VLQMHTXSYRXAJU-UHFFFAOYSA-N 0.000 description 1
- UXRXEDTWWRQWBH-UHFFFAOYSA-N 1,4-dimethyl-3-sulfanylidene-1,2,4-triazinane-5,6-dione Chemical compound CN1NC(=S)N(C)C(=O)C1=O UXRXEDTWWRQWBH-UHFFFAOYSA-N 0.000 description 1
- CMHWJKSXWFPBEI-UHFFFAOYSA-N 1-amino-1-ethyl-3-(ethylamino)urea Chemical compound C(C)NNC(=O)N(N)CC CMHWJKSXWFPBEI-UHFFFAOYSA-N 0.000 description 1
- IIGQLQZSWDUOBI-UHFFFAOYSA-N 1-amino-1-methylthiourea Chemical compound CN(N)C(N)=S IIGQLQZSWDUOBI-UHFFFAOYSA-N 0.000 description 1
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- SKYYTGUCWARUCL-UHFFFAOYSA-N 1-amino-3-ethylthiourea Chemical compound CCNC(=S)NN SKYYTGUCWARUCL-UHFFFAOYSA-N 0.000 description 1
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- DHKQGZQQBUORJS-UHFFFAOYSA-N 1-amino-4-sulfanylidenepyrimidin-2-one Chemical compound NN1C=CC(=S)NC1=O DHKQGZQQBUORJS-UHFFFAOYSA-N 0.000 description 1
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- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
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- DOJHQENGHOKCAX-UHFFFAOYSA-N 3-chloro-1-ethylpyrazin-2-one Chemical compound CCN1C=CN=C(Cl)C1=O DOJHQENGHOKCAX-UHFFFAOYSA-N 0.000 description 1
- DRAPHBPHAQWXOK-UHFFFAOYSA-N 3-methyl-6-sulfanylidene-1,3,5-triazinane-2,4-dione Chemical compound CN1C(=O)N=C(S)NC1=O DRAPHBPHAQWXOK-UHFFFAOYSA-N 0.000 description 1
- RYYFGLZKLWPYRH-UHFFFAOYSA-N 3-sulfanylidene-1,2,4-triazine-5,6-dione Chemical class SC1=NC(=O)C(=O)N=N1 RYYFGLZKLWPYRH-UHFFFAOYSA-N 0.000 description 1
- DDGUXTGMUNEGOJ-UHFFFAOYSA-N 4-(2-methoxyethyl)-3-sulfanylidene-1,2,4-triazinane-5,6-dione Chemical compound COCCN1C(=S)NNC(=O)C1=O DDGUXTGMUNEGOJ-UHFFFAOYSA-N 0.000 description 1
- OZUXGFRLSKQVMI-UHFFFAOYSA-N 4-chloro-1h-pyridin-2-one Chemical class OC1=CC(Cl)=CC=N1 OZUXGFRLSKQVMI-UHFFFAOYSA-N 0.000 description 1
- XAJBMVYAAOMYBL-UHFFFAOYSA-N 4-ethyl-2-sulfanylidene-1h-pyrazin-3-one Chemical compound CCN1C=CN=C(S)C1=O XAJBMVYAAOMYBL-UHFFFAOYSA-N 0.000 description 1
- KCZHSXSVWBRDOQ-UHFFFAOYSA-N 4-ethyl-3-sulfanyl-1,2,4-triazinane-5,6-dione Chemical compound C(C)N1C(NNC(C1=O)=O)S KCZHSXSVWBRDOQ-UHFFFAOYSA-N 0.000 description 1
- YPSGTHBWMUSANL-UHFFFAOYSA-N 4-methyl-1h-1,2,4-triazine-5,6-dione Chemical compound CN1C=NNC(=O)C1=O YPSGTHBWMUSANL-UHFFFAOYSA-N 0.000 description 1
- CJDXQHXLUSJTMO-UHFFFAOYSA-N 4-methyl-3-sulfanylidene-1,2,4-triazinane-5,6-dione Chemical compound CN1C(S)=NN=C(O)C1=O CJDXQHXLUSJTMO-UHFFFAOYSA-N 0.000 description 1
- PTVZQOAHCSKAAS-UHFFFAOYSA-N 4-methyl-3-thiosemicarbazide Chemical compound CNC(=S)NN PTVZQOAHCSKAAS-UHFFFAOYSA-N 0.000 description 1
- MRDAEIAUUOXLIP-UHFFFAOYSA-N 5-chloro-1-ethyl-4-sulfanylidenepyrimidin-2-one Chemical compound CCN1C=C(Cl)C(S)=NC1=O MRDAEIAUUOXLIP-UHFFFAOYSA-N 0.000 description 1
- PKUFNWPSFCOSLU-UHFFFAOYSA-N 6-chloro-1h-pyrimidine-2,4-dione Chemical compound ClC1=CC(=O)NC(=O)N1 PKUFNWPSFCOSLU-UHFFFAOYSA-N 0.000 description 1
- JXYZAYBUHMKSNY-UHFFFAOYSA-N 6-chloro-2-methyl-5-sulfanylpyridazin-3-one Chemical compound CN1N=C(Cl)C(S)=CC1=O JXYZAYBUHMKSNY-UHFFFAOYSA-N 0.000 description 1
- IMBNTYIRTCQBRJ-UHFFFAOYSA-N 6-chloro-2-methylpyridazin-3-one Chemical compound CN1N=C(Cl)C=CC1=O IMBNTYIRTCQBRJ-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 229940126062 Compound A Drugs 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 241000588722 Escherichia Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- RYECOJGRJDOGPP-UHFFFAOYSA-N Ethylurea Chemical compound CCNC(N)=O RYECOJGRJDOGPP-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 1
- 241000588748 Klebsiella Species 0.000 description 1
- 241000699666 Mus <mouse, genus> Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- GMEHFXXZSWDEDB-UHFFFAOYSA-N N-ethylthiourea Chemical compound CCNC(N)=S GMEHFXXZSWDEDB-UHFFFAOYSA-N 0.000 description 1
- 108010087702 Penicillinase Proteins 0.000 description 1
- 241000588769 Proteus <enterobacteria> Species 0.000 description 1
- 241000607720 Serratia Species 0.000 description 1
- 241000295644 Staphylococcaceae Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- ZVAKTWSQIIRIIH-UHFFFAOYSA-N [K].[I] Chemical compound [K].[I] ZVAKTWSQIIRIIH-UHFFFAOYSA-N 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 230000010933 acylation Effects 0.000 description 1
- 238000005917 acylation reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 125000005279 aryl sulfonyloxy group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 125000000852 azido group Chemical group *N=[N+]=[N-] 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 1
- RDEAKCXMQCTSEB-UHFFFAOYSA-N butoxyurea Chemical compound CCCCONC(N)=O RDEAKCXMQCTSEB-UHFFFAOYSA-N 0.000 description 1
- SKOLWUPSYHWYAM-UHFFFAOYSA-N carbonodithioic O,S-acid Chemical compound SC(S)=O SKOLWUPSYHWYAM-UHFFFAOYSA-N 0.000 description 1
- XEVRDFDBXJMZFG-UHFFFAOYSA-N carbonyl dihydrazine Chemical compound NNC(=O)NN XEVRDFDBXJMZFG-UHFFFAOYSA-N 0.000 description 1
- 150000001782 cephems Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002026 chloroform extract Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- PSLIMVZEAPALCD-UHFFFAOYSA-N ethanol;ethoxyethane Chemical compound CCO.CCOCC PSLIMVZEAPALCD-UHFFFAOYSA-N 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- SIALOQYKFQEKOG-UHFFFAOYSA-N ethyl 3,3-diethoxypropanoate Chemical compound CCOC(OCC)CC(=O)OCC SIALOQYKFQEKOG-UHFFFAOYSA-N 0.000 description 1
- 239000002024 ethyl acetate extract Substances 0.000 description 1
- IDAYARXLWPWWNI-UHFFFAOYSA-N ethylaminothiourea Chemical compound CCNNC(N)=S IDAYARXLWPWWNI-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000006038 hexenyl group Chemical group 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical group 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000004464 hydroxyphenyl group Chemical group 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 125000005905 mesyloxy group Chemical group 0.000 description 1
- HAMGRBXTJNITHG-UHFFFAOYSA-N methyl isocyanate Chemical compound CN=C=O HAMGRBXTJNITHG-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 229950009506 penicillinase Drugs 0.000 description 1
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- ZOCLAPYLSUCOGI-UHFFFAOYSA-M potassium hydrosulfide Chemical compound [SH-].[K+] ZOCLAPYLSUCOGI-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- XTUSEBKMEQERQV-UHFFFAOYSA-N propan-2-ol;hydrate Chemical compound O.CC(C)O XTUSEBKMEQERQV-UHFFFAOYSA-N 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 238000011321 prophylaxis Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000005030 pyridylthio group Chemical group N1=C(C=CC=C1)S* 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 150000003583 thiosemicarbazides Chemical class 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 125000005424 tosyloxy group Chemical group S(=O)(=O)(C1=CC=C(C)C=C1)O* 0.000 description 1
- 229940035893 uracil Drugs 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
- C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
-
- 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
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
- C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
- C07D239/545—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/553—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/56—One oxygen atom and one sulfur atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D253/00—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00
- C07D253/02—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00 not condensed with other rings
- C07D253/06—1,2,4-Triazines
- C07D253/065—1,2,4-Triazines having three double bonds between ring members or between ring members and non-ring members
- C07D253/07—1,2,4-Triazines having three double bonds between ring members or between ring members and non-ring members with hetero atoms, or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D253/075—Two hetero atoms, in positions 3 and 5
-
- 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
-
- 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)
Description
i
DK 155329 B
Den foreliggende opfindelse angår hidtil ukendte 7-amino-cephalospo-riner til anvendelse som mellemprodukter ved fremstilling af terapeutisk virksomme 7~acylamino-cephalosporiner. De hidtil ukendte forbindelser har den almene formel I
R1 »S.
h2n—p—i 5 0 J—CH2-s-Y i
COOH
hvor betegner hydrogen eller methoxy, og Y betegner en i det mindste ved ét af nitrogenatomerne med lavere alkyl, lavere alkenyl, med lavere alkoxy substitueret lavere alkyl, lavere alkoxy, amino, mono- eller di (lavere alkyl)amino substitueret og 10 eventuelt ved ét eller flere carbonatomer med lavere alkyl, halo gen eller oxo substitueret pyrimidonyl-, pyrazonyl-, pyridazonyl-eller triazonylgruppe, hvorhos "lavere" overalt refererer til grupper med højst 6 carbonatomer.
De ovennævnte 7-amino-cephalosporiner med formlen I er hidtil ukend-15 te mellemprodukter, der, efter beskyttelse af carboxygruppen i 4-stil-lingen, kan omdannes til terapeutisk virksomme 7-acylaminocephalospo-riner, nemlig ved acylering med en syre med den almene formel II
Z-OH II
hvor Z betegner en acylgruppe, der kan anvendes som substitu-20 ent i aminogruppen i 7-stillingen i en cephalosporin, eller med et reaktivt funktionelt derivat deraf, hvorefter beskyttelsesgruppen fraspaltes, og reaktionsproduktet om ønsket omdannes til et salt.
Som syrer med formten II i den ovennævnte reaktion kan der anven des syrer med den almene formel ila
DK 155329 B
2 R2-CH-COOH Ila 5 R3 hvor R2 betegner cyan, 4-pyridylthio, n-butyl, isobutyl, phenyl, hydroxyphenyl, cyclohexyl, 2-thienyl, 2-furyl, 1-tetrazolyl, 1-triazolyl, 1-pyrazolyI eller 3-sydnonyl, R^ betegner hydrogen, hydroxy, hydroxymethyl, amino, azido, carboxy eller sulfo, 10 hvorhos en fra cyan forskellig gruppe R2 kan være substitueret med hydroxy, halogen, lavere alkyl eller lavere alkoxy, og såfremt R2 betegner en pyridylthiogruppe, er Rg hydrogen.
Når der anvendes syrer med formlen Ila eller deres reaktive funktionelle derivater, fås som antibiotisk virksomme cephalosporinderivater 15 sådanne, der har den almene formel III
R, H
—CH—CONH—r-1 *3 -Νγ^Η2-3-ϊ m
C00H
hvor Rj betegner hydrogen eller methoxy, og R2, R^ og Y har den ovenfor anførte betydning, og salte deraf.
20 I nærværende beskrivelse betegner udtrykket "halogen" chlor, fluor eller brom, hvorhos chlor foretrækkes. Udtrykket "en lavere alkyl-gruppe, lavere alkoxygruppe eller lavere alkenylgruppe" betegner en ligekædet eller forgrenet alkyl-, alkoxy- eller alkenylgruppe med op til 6 carbonatomer, fx methyl, ethyl, propyl, isopropyl, n-butyl, 25 isobutyl, pentyl og hexyl, vinyl, propenyl, butenyl, pentenyl og hexenyl, hvorhos alkylgrupperne med 4 carbonatomer, især n-butyl og isobutyl, er foretrukne.
DK 155329 B
3
Som eksempler på særlig foretrukne forbindelser med formlen II eller Ila kan nævnes sådanne, i hvilke 1^ er 2-thienyl, 2-furyl, 1-tetra-5 zolyl, 1-triazolyl, 1-pyrazolyl, 3-sydnonyl, phenyl, cyclohexyl, 4-pyr-idylthio eller cyan, hvorhos, såfremt er 4-pyridylthio, er hydrogen.
Som eksempler på sådanne forbindelser kan nævnes forbindelser, i hvilke Y er 10 en 2-oxopyridin-4-ylgruppe, en 2-oxopyrimidin-4-ylgruppe, fx en 1-amino-, 1-ethyl- eller 1-but-oxy-1,2-dihydro-2-oxopyrimidin-4-ylgruppe eller· en 1-butoxy-1,2-di-hyd ro-5-methyl-2-oxopyrimidin-4-ylgruppe, en 4-oxopyrimidin-2-ylgruppe, fx en 1-ethyl-1,4-dihydro-6-methyl-15 4-oxopyrimidin-2-ylgruppe eller en 1,4-dimethyl-1,6-dihydro-6-oxo-pyrimidin-2-ylgruppe, en 2,6-dioxopyrimidin-4-ylgruppe, en 2-oxopyrazin-3-ylgruppe, en 2,3,5-trioxopyrazinyl-6-ylgruppe, 20 en 3-oxopyridazin-6-ylgruppe, en 3-oxopyridazin“4-ylgruppe, en 5,6-dioxo-as-triazin-3-yIgruppe, fx en 4-ethyl-, 4-methyl-, 4-al-lyl-, 4-butyl-, 4-(2-methoxyethyl)-, 1,4-dimethyl- eller 1,4-diethyl- 1,4,5,6-tetrahydro-5,6-dioxo-as-triazin-3-ylgruppe eller en 1,2,5,6-25 tetrahydro-1-ethyl-5,6-dioxo-as-triazin-3-ylgruppe,
, DK 155329 B
4 en 2-oxotriazin-4-yIgruppe eller en 2,4-dioxotriazin-6-ylgruppe.
Som substituenter på et ringnitrogenatom kan endvidere nævnes lavere alkyl eller alkenyl, lavere alkoxy, amino, mono- eller di(lavere 5 alkyDamino, og som substituent på et ringcarbonatom kan nævnes lavere alkyl, halogen eller oxo, hvorhos en til et carbon- eller nitrogenatom bundet lavere alkylgrup-pe igen kan være substitueret med hydroxy eller lavere alkoxy.
10 De ovenfor anførte lavere alkyl-, alkenyl- eller alkoxygrupper indeholder op til 6 carbonatomer. Eksempler på sådanne alkylgrupper er methyl og ethyl. Eksempler på sådanne alkenylgrupper er vinyl og allyl. Eksempler på sådanne alkoxygrupper er methoxy og ethoxy.
Som særligt foretrukne forbindelser med formlen I kan nævnes: 15 7-amino-3-{ [(1,4,5,6-tetrahydro-4-ethy I -5,6-dioxo-as -triazin -3-yl)- thio] methyl >-3-cephem-4-carboxylsyre, 7-amino-3-{[(l<.4/5,6-tetrahydro-4-methyl-5,6-dioxo-as-triazin-3-yl)- thio]methyl}-3-cephem-4-carboxylsyre, 7-amino-3-{[ (1,4,5,6-tetrahydro-4-allyl-5,6-dioxo-as-triazin-3-yl) -20 th io] methyl} -3-cephem-4-carboxyl syre, 7-amino-3-{ [(1,4,5,6-tetrahydro-4-butyl-5,6-dioxo-as~triazin-3-yl)-thio]methyl}-3-cephem-4-carboxylsyre, 7-amino-3-{[(1,4,5/6-tetrahydro-4- (2-methoxyethyI)-5,6-dioxo-as-tri-azin-3-yl)thio]methyl}-3-cephem-4-carboxyisyre,
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5 7-amino-3-{[(1,4,5,6-tetrahydro-l,4-dimethyl-5,6-dioxo-as-triazin- 3-yl)thio] methyl }-3-cephem-4-ca rboxylsyre, 7-amino-3-{[(1 ,4,5,6-tetrahydro-l ,4-diethyl-5,6-dioxo-as-triazin-3-yl)thio]methy!}-3-cephem-4-carboxylsyre, 5 7-amino-3-{[(1,2,5,6-tetrahydro-l-ethyl-5,6-dioxo-as-triazin-3-yl)- thio]methyl}-3-cephem-4-carboxylsyre, 7-amino-7-methoxy-3-{[(l,4,5,6-tetrahydro-4-methyl-5,6-dioxo-as-tri-azin-3-yl)thio]methyl}-3-cephem-4-ca rboxylsyre, 7-amino-3-{[(l-amino-1,2-dihydro-2-oxo-4-pyrimidinyl)thio]methyl}-3-10 cephem-4-carboxylsyre, 7-amino-3-{[(1-ethyl-l, 2-dihydro-2-oxo-4-py rimidinyl)thio] methyl >-3-cephem-4-ca rboxylsyre, 7-amino-3-{ [(Ί-butoxy-l,2-dihydro-2-oxo-4-pyrimidinyl)thio] methyl}- 3-cephem-4-carboxyisyre, 15 7-amino-3-{[(1-butoxy-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl)-thio] methyl }-3-cephem-4-ca rboxylsyre, 7-amino-3-{[(1,4-dimethyl-1,6-dihydro-6-oxo-2-pyrimidinyl)thio]meth-yl}-3-cephem-4-ca rboxylsyre, 7-3πιίηο-3-{[(1-6ίΙιγΜ,4-^ϊΙ^Γθ-6-ιηβίΙιγΙ-4-οχο-4-^ππιι^ίηγΙ)ΐΐΉθ]-20 methyl}-3-cephem-4-carboxylsyre og 7-amino-3-{(l ,2,5,6-tetrahydro-2-methyl-5,6-dioxo-as-triazin-3-yl)-thiomethyl}-3-cephem-4-ca rboxylsyre.
Forbindelser med formlen I kan foreligge som optisk rene isomere og som isomerblandinger.
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Forbindelserne med formlen I og salte deraf kan fremstilles ved, at en forbindelse med den almene formel IV
R1 H S
v-MT \ o-'*-W1
T IV
COOH
hvor har den ovenfor anførte betydning, betegner en fra-5 spaltelig enhed og carboxygruppen i 4Tstillingen er beskyttet ved saltdannelse med en uorganisk eller tertiær organisk base,
omsættes med en forbindelse med den almene formel V
H-S-V V
hvor Y har den ovenfor anførte betydning, 10 og beskyttelsesgruppen om ønsket fraspaltes.
Beskyttelsen af carboxygruppen i en forbindelse med formlen I eller IV kan foretages ved saltdannelse med en uorganisk eller tertiær organisk base såsom triethylamin.
Som fraspaltelig enhed i en forbindelse med formlen IV kan fx an-15 vendes halogener såsom chlor, brom eller iod, acyioxygrupper såsom lavere alkanoylgrupper, fx acetoxy, lavere alkyl- eller arylsulfonyl-oxygrupper såsom mesyloxy eller tosyloxy eller en azidogruppe.
Omsætningen af en forbindelse med formlen IV og en forbindelse med formlen V kan foretages på i og for sig kendt måde, fx ved en tem-20 peratur mellem ca. 40 og 80°C, hensigtsmæssigt ved ca. 60°C, i vand eller en pufferopløsning med en pH-værdi på ca. 6-7, fortrinsvis 6,5, i løbet af et tidsrum på 3-8, fortrinsvis 6, timer.
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Efter endt omsætning af en forbindelse med formlen IV og en forbindelse med formlen V fraspaltes beskyttelsesgruppen om ønsket. Carb-oxygruppen i en syre med formlen IV er beskyttet ved saltdannelse (fx med triethylamin); fraspaltningen af denne saltdannende beskyt-5 telsesgruppe kan foretages ved behandling med syre ved forholdsmæssig lav temperatur, fx ved ca. 0 - ca. 10°C. Som syre til dette formål kan anvendes fx saltsyre, svovlsyre, phosphorsyre eller citronsyre.
Forbindelserne med formlen V er for nogles vedkommende hidtil 10 ukendte, for nogles vedkommende kendte. De hidtil ukendte forbindelser med formlen V kan fremstilles analogt med fremstillingen af kendte forbindelser.
Således kan en 1-substitueret 2-oxo-4-mercaptopyridin fremstilles ud fra den tilsvarende substituerede 4-chlor-2-oxopyridin [Chem. Ber.
15 99, 255 (1966)] ved nucleofil udskiftning, fx med et a I kalimetal hydro gensulfid.
På samme måde kan en 1,3-disubstitueret 2,6-dioxo-1,2,3,6-tetrahy-dro-4-mercaptopyrimidin fremstilles ud fra den tilsvarende 4-chlor- 2.6- dioxo-1,2,3,6-tetrahydropyrimidin.
20 5,6-Dioxo-3-mercapto-as-triazinerne kan fremstilles ud fra de tilsvarende substituerede thiosemicarbazider i analogi med syntesen af 1.4.5.6- tetrahydro-4-ethyl-5,6-dioxo-3-mercapto-as-triazin, jfr. Dissertation af K.H. Ongania (Innsbruck 1972).
En thiol med formlen V, som har en dobbeltbinding mellem det med 25 mercaptogruppen substituerede carbonatom og et nabostillet nitrogenatom, kan foreligge i form af den tautomere thioketon.
Forbindelserne med formlen II og de reaktive funktionelle derivater deraf er kendte eller analoge til kendte forbindelser og kan fremstilles på i og for sig kendt måde.
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Forbindelserne med formlen III, saltene deraf og hydraterne af disse salte er antibiotisk, især bactericidt, virksomme. De har bredt virkningsspektrum mod grampositive og gramnegative mikroorganismer, især mod penicillinase-positive staphylococcer samt forskellige cephalo-5 sporinase-positive gramnegative bakterier, fx Escherichia coli-, Proteus-, Klebsiella-, Aerobacter- og Serratia-arter.
Forbindelserne med formlen III samt de farmaceutisk tolerable salte og hydratiserede former deraf kan anvendes til behandling og profylakse af infektionssygdomme samt som desinfektionsmidler. Til voksne kan 10 anvendes en daglig dosis på ca. 1 - ca. 4 g. Der foretrækkes især parenteral administration af de omhandlede .forbindelser.
Den antimikrobielle aktivitet hos to af de ovennævnte forbindelser, nemlig natri umsaltet af (7R) -3- C [ (1,4,5,6-tetrahyd ro-4-ethyl-5,6-dioxo-as- 15 triazin-3-yI)thio]methyl)-7-[2-(5-oxo-l ,2,3-oxadiazolidin-3-yl)acet- amido]-3-cephem-4-carboxylsyre (forbindelse A i den nedenfor anførte tabel) og natriumsaltet af (7R)-3-([(l ,4,5,6-tetrahydro-4-ethyl-5,6-dioxo-as-triazin-3-yl)thio] methyl) -7- [2- (1 -H-tetrazol-1 -yl)acetamido]-3-ceph-20 em-4-carboxylsyre (forbindelse B i den nedenfor anførte tabel), fremgår af de nedenfor anførte CD^-værdier (mg/kg subcutant på mus):
Forbindelse Penicillinfølsomme Penicillinresistente Escherichia staphylococcer staphylococcer coli 25 _ A 0,25 5,5 0,38 B 0,60 ' 3,2 0,90
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Den akutte toxicitet (LD^q) af disse stoffer ved intravenøs administration på mus andrager 2000-4000 mg/kg for stoffet A og 1000-2000 mg/kg for stoffet B.
Fremstilling af mellemprodukterne med formlen I ifølge opfindelsen be-5 lyses nærmere ved nedenstående eksempler 1-26, og omdannelsen deraf til antibiotisk virksomme forbindelser med formlen III belyses i eksempel 27-30: EKSEMPEL 1 2,72 g 7-amino-cephalosporansyre suspenderes sammen med 1,4,5,6-10 tetrahydro-4-ethyl-5,6-dioxo-3-mercapto-as-triazin i 100 ml vand. Til denne suspension sættes 1,85 g natriumhydrogencarbonat, hvorved der dannes en opløsning med pH-værdi 6,4. Denne opløsning omrøres i 3 timer ved 60°C under nitrogenatmosfære. Opløsningen afkøles til 20°C og omrøres under tilsætning af 1 g aktivkul under nitrogenat-15 mosfære i yderligere 1 time. Efter filtrering indstilles filtratet på pH-værdi 3,8 ved tilsætning af 2N saltsyreopløsning, afkøles til 0°C og omrøres i 1 time, hvorved stoffet udkrystalliseres. Dette isoleres ved sugefiltrering, vaskes med en lille mængde isvand, acetone, ether og petroleumsether i den anførte rækkefølge og tørres i højvakuum 20 ved 50°C. Udbytte 2,3 g (60%) 7-amino-3-desacetoxy-3-[(1,4,5,6-te-trahydro-4-ethyl-5,6-dioxo-as-triazin-3-yl)thio]cephalosporansyre i form af et beigefarvet pulver med smeltepunkt 230-235°C (sønderdeling).
Den ved den ovenfor beskrevne fremgangsmåde anvendte 1,4,5,6-te-25 trahydro-4-ethyl-5,6-dioxo-3-mercapto-as-triazin kan fremstilles på følgende måde: 120 g 4-ethylthiosemicarbazid omsættes i nærværelse af 23 g natrium i 1 liter methanol i 4 timer med 116 g oxalsyredimethylester ved reaktionsblandingens kogepunkt. Triazinen isoleres fra reaktionsblandingen 30 i form af natriumsaltet og fås derefter ved syrning af en vandig opløsning, smeltepunkt 189-190°C.
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EKSEMPEL 2 10 5.1 g 7-amino-3-azido-3-desacetoxy-cephalosporansyre omrøres med 5,16 g 1,4,5,6-tetrahydro-4-ethyl-5,6-dioxo-3-mercapto-as-triazin og 4.2 g natnumhydrogencarbonat i 200 ml af en puffer med pH-værdi 5 7,0 i 6 timer ved 60°C under nitrogenatmosfære. Reaktionsopløsningen afkøles til 25°C og indstilles derefter på pH-værdi 3,5 ved tilsætning af 2N saltsyreopløsning. Den ønskede 7-amino-3-desacetoxy-3-[ (1,4,5,6-tetrahydro-4-ethyl-5,6-dioxo-as-triazin-3-yl) thio]cephalospo-ransyre udkrystalliseres og isoleres ved sugefiltrering (2,2 g). Ved 10 inddampning af moderluden fås yderligere 1,7 g. Totaludbytte 3,9 g (50%).
EKSEMPEL 3 I analogi med eksempel 1 eller 2 kan der fås: 7-Amino-3-desacetoxy-3-[(1,4,5,6-tetrahydro-4-methyl-5,6-dioxo-as-15 triazin-3-yl)thio]cephalosporansyre i form af et beigefarvet pulver, smeltepunkt 240-245°C (sønderdeling).
Det ved den ovennævnte fremgangsmåde anvendte 1,4,5,6-tetrahy-dro-4-methyl-5,6-dioxo-3-mercapto-as-triazin kan fremstilles analogt med eksempel 1 ud fra 176 g 4-methylthiosemicarbazid og 198 g oxal-20 syredimethylester, smeltepunkt 218-220°C (sønderdeling).
EKSEMPEL 4 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Ami no-3- [ (1,2,5,6-tetrahyd ro-2-methy I -5,6-dioxo-as-triazin-3-yl) -thio]-3-cephem-4-carboxy!syre i form af et beigefarvet pulver, smel-25 tepunkt 245-250°C (sønderdeling).
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Det ved den ovennævnte fremgangsmåde anvendte 1,2,5,6-tetrahy-dro-5,6-dioxo-3-mercapto-2-methyl-as-triazin kan fremstilles analogt med eksempel 1 ud fra 31,5 g 2-methylthiosemicarbazid og 35,4 g oxalsyredimethylester, smeltepunkt 260°C.
5 EKSEMPEL 5 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Amino-3-{[(1 ,4,5,6-tetrahydro-4-allyl-5,6-dioxo-as-triazin-3-yl)-thio]methyl}-3-cephem-4-carboxylsyre.
Det ved den ovennævnte fremgangsmåde anvendte 1,4,5,6-tetrahy-10 dro-4-allyl-5,6-dioxo-3-mercapto-as-triazin kan fremstilles analogt med eksempel 1 ud fra 26,2 g 4-allylthiosemicarbazid og 23,6 g oxalsyredimethylester, smeltepunkt 138-140°C.
EKSEMPEL 6 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 15 7-Amino-3-{ [(1,4,5,6-tetrahydro-4-butyl-5,6-dioxo-as-triazin-3-yl)- thio]methyl}-3-cephem-4-carboxylsyre.
Det ved den ovennævnte fremgangsmåde anvendte 1,4,5,6-tetrahy-dro-4-butyl-5,6-dioxo-as-triazin kan fremstilles analogt med eksempel 1 ud fra 14,7 g 4-butylthiosemicarbazid og 11,8 g oxalsyredimethyl-20 ester, smeltepunkt 180-181°C.
EKSEMPEL 7 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 12 DK 1553298 7-Amino-3-{[n,4,5,6-tetrahydro-4-(2-methoxyethyl)-5,6-dioxo-as-tri- azin-3-yl)thio]methyI}-3-cephem-4-carboxylsyre.
5 Det ved den ovennævnte fremgangsmåde anvendte 1,4,5,6-tetrahy-dro-4-(2-methoxyethyl)-5,6-dioxo-3-mercapto-as-triazin kan fremstilles analogt med eksempel 1 ud fra 14,9 g 4-(2-methoxyethyl)thiosemi-carbazid og 11,8 g oxalsyredimethylester, smeltepunkt 158-160°C.
EKSEMPEL 8 10 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Amino-3-{[(1,4,5,6-tetrahydro-1,4-dimethyI-5,6-dioxo-as-triazin- 3-yl)thio]methyl}-3-cephem-4-ca rboxylsyre.
Det ved den ovennævnte fremgangsmåde anvendte 1,4,5,6-tetrahy-dro-1,4-dimethyl-5,6-dioxo-3-mercapto-as-triazin kan fremstilles ana-15 logt med eksempel 1 ud fra 11,9 g 1,4-dimethylthio-semicarbazid og 11,8 g oxalsyredimethylester, smeltepunkt 231-233°C (sønderdeling).
EKSEMPEL 9 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Amino-3-{[(1,4,5,6-tetrahydro-1,4-diethyl-5,6-dioxo-as-triazin-20 3-yl)thio]methyI}-3-cephem-4-carboxylsyre.
Det ved den ovennævnte fremgangsmåde anvendte 1,4,5,6-tetrahy-dro-l,4-diethyl-5,6-dioxo-3-mercapto-as-triazin kan fremstilles analogt med eksempel 1 ud fra 14,7 g 1,4-diethylcarbazid og 11,8 g oxalsyredimethylester, smeltepunkt 177-179°C.
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EKSEMPEL 10 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 13 7-Amino-3-{[(1,2,5,6-tetrahydro-1-ethyl-5,6-dioxo-as-triazin-3-yl)-thio] methyl }-3-cephem-4-carboxylsyre.
5 Den ved den ovenfor beskrevne fremgangsmåde anvendte 1,2,5,6-te-trahydro-1-ethyl-5,6-dioxo-3-mercapto-as-triazin kan fremstilles på følgende måde: 46,5 g 1-ethylthiosemicarbazid omsættes i 700 ml acetone ved 40°C med 48 g oxalsyremonomethylesterchlorid. Til 34,3 g af det vundne pro-10 dukt sættes 9,2 g natriummethylat i 300 ml methanol. Triazinen isoleres fra reaktionsblandingen i form af natriumsaltet og fås derefter ved syrning i en vandig opløsning, smeltepunkt 213-214°C (sønderdeling).
EKSEMPEL 11 15 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Amino-3-{[(1-ethyl-1,2-dihydro-2-oxo-4-pyrimidinyl)thio]methyl}- 3-cephem-4-carboxylsyre.
EKSEMPEL 12 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 20 7-Ami no-3-{ [(1~butoxy-1,2-dihyd ro-2-oxo-4-pyrimidinyl)thio] meth yl }-3-cephem-4-ca rboxylsyre.
Det i den ovennævnte fremgangsmåde anvendte 1-butoxy-1,2-dihy-dro-4-mercapto-2-oxo-pyrimidin kan fremstilles ud fra 2 g 1-butoxy-uracil og 4 g phosphorpentasulfid, smeltepunkt 99-100°C.
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EKSEMPEL 13 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 14 7-Amino-3-{ [ (1 -butoxy-1,2-dihydro-5-methyf-2-oxo-4-pyrimidinyl) -thiolmethyl}-3-cephem-4-carboxylsyre.
5 Det i den ovennævnte fremgangsmåde anvendte 1-butoxy-1,2-dihy-dro-4-mercapto-5-methyl-2-oxo-pyrimidin kan fremstilles analogt med eksempel 12 ved omsætning af 25 g 1-butoxy-5-methyl-uracil og 50 g phosphorpentasulfid. 7-Butoxy-5-methyl-uracil kan fremstilles ved omsætning af 110 g butoxyurinstof med 184 g β,β-diethoxy-a-methyl-10 propionsyreester.
EKSEMPEL 14 I analogi med eksempel 1 eller 2 kan der ligeledes fremstilles: 7-Amino-3-{[(1,4-dimethyl-l, 6-dihydro-6-oxo-2-pyrimidinyl)thio] methyl }-3-cephem-4-carboxyIsyre.
15 EKSEMPEL 15 I analogi med eksempel 1 eller 2 kan der ligeledes fremstilles: 7-Amino-3-{[(1-ethyl-1,4-dihydro-6-methyl-4-oxo-2-pyrimidinyl)thio]-methy I} -3 -cep h em -4- ca r boxy I sy re.
Det i den ovennævnte fremgangsmåde anvendte 1-ethyl-l,4-dihydro-20 2-mercapto-6-methyl-4-oxopyrimidin kan fremstilles på følgende måde: 18 g N-ethylthiourinstof opløses i 50 ml eddikesyre, koges under til-bagesvaling og tilsættes dråbevis 17,2 g diketen. Derefter koges der under tilbagesvaling i 20 minutter, hvorefter der inddampes til 50 ml.
Under afkøling og omrøring tilsættes 50 ml vand. De gullige krystaller
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15 udfældes. De isoleres ved s ugef titrering og omkrystalliseres af tetra-hydrofuran, smeltepunkt 190°C.
EKSEMPEL 16 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 5 7-Amino-3-{[0-ethyl-1,2-dihydro-2-oxo-4-pyrimidinyl)thio]methyl}- 3- cephem-4-carboxylsyre.
EKSEMPEL 17 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Amino-3-{[(1-amino-1,2-dihydro-2-oxo-4-pyrimidinyl)thio]methyi}-10 3-cephem-4-carboxylsyre.
Den i den ovennævnte fremgangsmåde anvendte 1-amino-1,2-dihydro- 4- mercapto-2-oxo-pyrimidin kan fremstilles ud fra 8,6 g 1-benzy3iden-amino-uracil [smeltepunkt 220-223°C; Lit.: Monatshefte fur Chemie 96, 1735 (1965)] og 12 g phosphorpentasulfid i pyridin efterfulgt af hy- 15 drolyse med saltsyre.
EKSEMPEL 18 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Amino-3-{ [(1,2-dihydro-l-methyl-2-oxo-4-pyrimidmyl)thio]meth-yl)-3-cephem-4-carboxylsyre.
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EKSEMPEL 19 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 16 7-Amino-3-{[(1,2-dihydro-1-methoxy-2-oxo-4-pyrimidinyl)thio]meth- yl}-3-cephem-4-carboxylsyre.
5 Den i den ovennævnte fremgangsmåde anvendte 1,2-dihydro-4-mercap-tomethoxy-2-oxo-pyrimidin kan fremstilles ud fra 6 g 1-methoxyuracil og 18 g phosphorpentasulfid, smeltepunkt 177°C.
EKSEMPEL 20 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 10 7-Amino-3-{ [(1-ethoxy-2,2-di hydro-2-oxo-4-py rimidiny I )thio] meth yl }-3-cephem-4-carboxylsyre.
Den i den ovennævnte fremgangsmåde anvendte 1-ethoxy-2,2-dihy-dro-4-mercapto-2-oxo-pyrimidin kan fremstilles ud fra 6,4 g 1-eth-oxyuracil og 18 g phosphorpentasulfid, smeltepunkt 119-120°C.
15 EKSEMPEL 21 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Amino-3-{[(l,6-dihydro-1-methyl-6-oxo-3-pyridazinyl)thio]meth- yl}-3-cephem-4-carboxylsyre.
Den i den ovennævnte fremgangsmåde anvendte 1,6-dihydro-3-mercap-20 to-1-methyl-6-oxo-pyridazin kan fremstilles ud fra 2,88 g 3-chlor- 1,6-dihydro-1-methyl-6-oxo-pyridazin [smeltepunkt 91-92°C, Lit.: Monatshefte fiir Chemie 99, 33 (1968)] og 5,88 g natriumhydrogen-sulfid i ethanol ved 130°C og 5-7 atm, smeltepunkt 115°C.
I analogi med eksempel 1 eller 2 kan der ligeledes fås: EKSEMPEL 22
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17 7-Amino-3-{[(1,2,3,6-tetrahydro-2,6-dioxo-1-methyl-s-triazin-4-yl)- thiomethyl}]-3-cephem-4-carboxy!syre.
5 Det i den ovennævnte fremgangsmåde anvendte 1,2,3,6-tetrahydro- 2,6-dioxo-4-mercapto-1-methyl-s-triazin kan fremstilles på følgende måde:
Til en opløsning af 14,8 g natrium i 1000 ml methanol sættes 39,9 g 5-methyl-2-thio-biuret og 72 g diethylcarbonat, og der koges i 24 10 timer under tilbagesvaling. Reaktionsopløsningen inddampes i vakuum til et volumen på 200 ml. Det derved udkrystalliserede stof isoleres ved sugefiltrering, opløses derefter i 200 ml vand og syrnes med 2N saltsyre. Den udfældede forbindelse isoleres ved sugefiltrering og omkrystalliseres af 350 ml ethanol. Udbytte 11,2 g (23%) farveløst 15 stof, smeltepunkt 275°C.
Den i den ovennævnte fremgangsmåde anvendte 5-methy!-2-thio-biuret kan fremstilles på følgende måde:
Til en opløsning af 76 g thiourinstof i 1000 ml dimethylformamid sættes 65,4 ml methylisocyanat, hvorefter der omrøres i 72 timer ved 50-20 55°C. Reaktionsopløsningen inddampes i vakuum, og remanensen omkrystalliseres af vand. Udbytte 79,4 g (60%) farveløst stof, smeltepunkt 209-210°C.
EKSEMPEL 23 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 25 7-Amino-3-{[(1-ethyl-5-chlor-1,2-dihydro-2-oxo-4-pyrimidinyl)thio]-methyl)-3-cephem-4-carboxylsyre.
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Den i den ovennævnte fremgangsmåde anvendte 1-ethyl-5-chIor-1,2-dihydro-4-mercapto-2-oxo-pyrimidin kan fremstilles på følgende måde: 1,74 g l-ethyl-5-chlor-uraciI blandes først med 4,44 g phosphorpenta-sulfid og 0,1 ml vand, tilsættes derefter 30 ml pyridin og koges i 5 3,75 time under tilbagesvaling. Reaktionsblandingen indddampes i vakuum ved 40°C, og remanensen suspenderes i 30 ml vand og tilsættes 30 ml 2N saltsyre. Det krystallinske stof isoleres ved sugefiltrering, vaskes med vand og omkrystalliseres af ethanol. Udbytte 1,3 g (68%) gult stof, smeltepunkt 217-220°C.
10 Det i den ovennævnte fremgangsmåde anvendte 1 -ethyl-5-chlor-uracil kan fremstilles på følgende måde:
Ind i en opløsning af 9,9 g 1-ethyl-uracil i 150 ml iseddike ledes chlor i så lang tid (ca. 1/2 time), at iodkalium-stivelsespapir reagerer positivt, og der ikke mere ved tyndtlagschromatografi kan påvises 15 1-ethyl-uracil. Reaktionsblandingen inddampes i vakuum ved 40°C, og den krystallinske remanens omkrystalliseres af 300 ml ethanol. Udbytte 10,0 g (81%) farveløse, fine nåle, smeltepunkt 244-247°C.
Det i den ovennævnte fremgangsmåde anvendte 1-ethyl-uracil kan fremstilles på følgende måde: 1 2 3 4 5 6 7 8 9 10 11
Til en opløsning af 15,0 g natrium i 700 ml ethanol sættes 44 g N- 2 ethylurinstof og 105 g β,β-diethoxypropionsyre-ethylester. Derefter 3 holdes den gule reaktionsopløsning i 3 timer ved 25°C og koges der 4 efter i 15 timer under tilbagesvaling. Reaktionsopløsningen inddampes 5 i vakuum, den ovenstående remanens opløses i 300 ml vand, afkøles 6 til 0°C og syrnes med 100 ml koncentreret saltsyre, hvorved et kry 7 stallinsk mellemprodukt udfældes (43 g). Det sidstnævnte isoleres ved 8 sugefiltrering, vaskes med 100 ml isvand og opvarmes derefter til 9 80-100°C i 250 ml vand, indtil omdannelsen til det ønskede vandoplø 10 selige 1-ethyl-uracil er bragt til ende. Opløsningen inddampes i 11 vakuum ved 40°C, og den tilbageblivende remanens omkrystalliseres af ethanol-ether. Udbytte 14,0 g (20%) farveløst stof, smeltepunkt 150°C.
I analogi med eksempel 1 eller 2 kan der ligeledes fås: EKSEMPEL 24 19
DK 1553.29 B
7-Amino-3-{[(l-(dimethylamino)-1,2-dihydro-2-oxo-4-pyrimidinyl)-thio]methy!}-3-cephem-4-ca rboxylsyre.
5 EKSEMPEL 25 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Amino-3-{ [(3-chlor-1,6-dihyd ro-1-methyl-6-oxo-4-pyridaziny I )thio]-methyl}-3-cephem-4-ca rboxylsyre.
Det i den ovennævnte fremgangsmåde anvendte 3-chlor-1,6-dihydro-10 4-mercapto-1-methyl-6-oxo-pyridazin kan fremstilles på følgende måde:
Til en opløsning af 17,9 g 3,4-dichlor-1,6-dihydro-1-methyI-6-oxo-pyridazin i 200 ml methanol sættes en opløsning af 14,8 g natriumhy-drogensulfid-monohydrat i 200 ml methanol. Reaktionsblandingen omrøres derefter i 1 1/2 time ved 25°C under nitrogenatmosfære.
15 Derpå frafiltreres noget uopløst stof, og filtratet inddampes i vakuum. Remanensen suspenderes i 150 ml vand, indstilles på sur reaktion med 1N saltsyre og ekstraheres tre gange med ethylacetat. De samlede ethylacetatekstrakter vaskes med vand, tørres over natriumsulfat og inddampes i vakuum. Den således vundne remanens omkrystalliseres af 20 ethanol. Udbytte 9 g gullige nåle, smeltepunkt 163°C.
Den i den ovennævnte fremgangsmåde anvendte 3,4-dichlor-1,6-dihy-dro-1-methyl-6-oxo-pyridazin kan fremstilles på følgende måde: 67,75 g 3,4-dichlor-6-hydroxy-pyridazin opløses i 205 ml 2N natrium-hydroxidopløsning, og der tildryppes 36 ml dimethylsulfat. Derefter 25 opvarmes reaktionsblandingen til 70°C i 1/2 time, hvorefter den afkøles og ekstraheres to gange med chloroform. De samlede chloro-formekstrakter vaskes med vand, tørres over natriumsulfat og ind-
DK 155329 B
20 dampes i vakuum. Remanensen om krystal lise res af højtkogende petro-leumsether. Udbytte 54 g (73%), smeltepunkt 97°C.
EKSEMPEL 26 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 5 7-Amino-3-{[(1,2-dihydro-1,6-dimethyl-2-oxo-4-pyridyl)thio]meth-yl}-3-cephem-4-carboxylsyre.
EKSEMPEL 27 I analogi med eksempel 1 eller 2 kan der ligeledes fås: 7-Amino-3-{ [(1-ethyl-1,2-dihydro-2-oxo-3-pyrazinyl)thio]methyl}-3-10 cephem-4-carboxylsyre.
Den i den ovennævnte fremgangsmåde anvendte 1-ethyl-1,2-dihydro- 3-mercapto-2-oxo-pyrazin kan fremstilles på følgende måde:
Til .en opløsning af 22,2 g natriumhydrogensulfid-monohydrat i 1000 ml methanol sættes 23,7 g 1 -ethyl-3-chlor-1,2-dihydro-2-oxo-pyrazin, og 15 der omrøres i 3 timer ved 25°C. Derefter frafiltreres udfældet natri-umchlorid, og det gule filtrat inddampes i vakuum ved 40°C. Ind-dampningsremanensen omkrystalliseres af ethanol. Udbytte 8,0 g (34%) gult råstof. Til rensning suspenderes 5,0 g i 50 ml 0,5N saltsyre, hvorefter der syrnes kraftigt ved tilsætning af 10 ml 2N saltsyre, 20 blandingen omrøres i 10 minutter ved 25°C og opbevares derefter natten over i køleskab. De derved dannede orange-gule krystaller (3,65 g) isoleres ved sugefiltrering, vaskes med lidt isvand og tørres i vakuum ved 50°C. Smeltepunkt 204-206°C (sønderdeling).
EKSEMPEL 28
DK 155329 B
21
Fremstilling af natriumsaltet af (7R)-3-{[(1,4,5,6-tetrahydro-4-ethyl- 5,6-dioxo-as-triazin-3-yl)thio]methyl}-7-[2-(1-H-tetrazol-1-yl)acet- amido]-3-cephem-4-carboxylsyre.
5 1,28 g tetrazol-1-eddikesyre opløses i en blanding af 50 ml tetraby- drofuran og 5 ml dimethylformamid. Til denne opløsning sættes ved -20°C 1,18 ml N-methylmorpholin og 1,4 ml chlormyresyre-isobutyl-ester i den anførte rækkefølge, hvorefter der omrøres i 20 minutter ved en temperatur mellem -10 og -20°C. Derefter tilsættes en iskold 10 opløsning af det ud fra 3,85 g 7-amino-3-desacetoxy-3-[(1,4,5(,6-te-trahydro-4-ethyl-5,6-dioxo-as-triazin-3-yl)thio]cephalosporansyre og 1,4 ml triethylamin vundne salt i 50 ml vand. Reaktionsblandingen omrøres derpå i 30 minutter ved 0°C og i 1 time ved 20°C. Reaktionsblandingen inddampes i vakuum, og den vandige fase syrnes 15 med 5 ml 2N saltsyreopløsning, hvorved det ønskede stof udfældes i form af den rå syre. Denne syre isoleres ved sugefiltrering, vaskes med meget ethylacetat og opløses i dimethylformamid. Til denne opløsning sættes en 2N opløsning af natriumsaltet af 2-ethylcapronsyre i ethylacetat, og der fortyndes derefter med ethanol og ether, hvorved 20 det ønskede, rå natriumsalt (3,3 g) udfældes. Til rensning opløses det således vundne stof i 20 ml vand og tilsættes 60 ml ethanol, hvorved der udfældes en mørk harpiks, som kasseres. Filtratet inddampes i vakuum, og remanensen behandles med ethanol og ether, hvorved der fås 2,3 g (44,5%) rent stof i form af et lyst beigefarvet ? n 25 pulver med smeltepunkt 210°C (sønderdeling) og [a]^ = +23° (c = 0,824 i vand).
EKSEMPEL 29
DK 155329 B
22
Fremstilling af natriumsaltet af (7R)-3-{[(1,4,5,6-tetrahydro-4-ethyl- 5,6-dioxo-as-triazin-3-yl)thio]methyl}-7-[(R)-2-hydroxyhexanamido]- 3-cephem-4-carboxylsyre.
5 4,4 g 7-amino-3-desacetoxy-3-[(l,4,5,6-tetrahydro-4-ethyl-5,6-dioxo- as-triazin-3-yl)thio]cephalosporansyre opløses ved 0°C under omrøring i en blanding af 44 ml vand og 44 ml acetone ved tilsætning af 2,5 g kaliumhydrogencarbonat. Derefter tildryppes ved 0°C under omrøring en opløsning af 3 g (R)-2-dichloracetoxy-n-capronsyrechlorid (koge- 10 punkt« c__u„ = 75-76°C) i 30 ml acetone, og der omrøres i 2 timer ved 0°C og i 1 time ved 20°C. Af den filtrerede opløsning afdestille-res acetonet under reduceret tryk ved 30°C. Den vandige opløsning tilsættes kaliumcarbonat og omrøres i 45 minutter ved en pH-værdi på 9,5, hvorefter den ekstraheres to gange med ethylacetat og indstilles 15 ved 0°C på en pH-værdi på 1,5-2,0 ved tilsætning af 3N svovlsyreopløsning. Der ekstraheres med ethylacetat under tilsætning af di-methylformamid. Ethylacetatopløsningen vaskes flere gange med 10%'s natriumchloridopløsning, tørres med magnesiumsulfat og inddampes under reduceret tryk ved 25°C. Remanensen opløses i 100 ml isoprop-20 anol og tilsættes 12 ml af en 2N opløsning af natriumsaltet af 2-ethyl-capronsyre i isopropanol. Det rå natriumsalt frasuges, udfældes af vand-isopropanol og tørres under reduceret tryk. Der fås et beige-farvet pulver med smeltepunkt fra 183°C (sønderdeling); [a]^ = +8,2° (c = 1,00 i vand). Udbytte 56%.
25 EKSEMPEL 30
Fremstilling af natriumsaltet af (7R)-3-{[(1,2,5,6-tetrahydro-2-meth-yl-5,6-dioxo-as-triazin-3-yI)thio] methyl )-7-[2-(lH-tetrazol-l-y |)acet-amido] -3-cephem-4-carboxylsyre.
Denne forbindelse fremstilles analogt med den i eksempel 28 beskrevne 30 fremgangsmåde ud fra 2,95 g tetrazol-1 -eddikesyre og 8,55 g 7-ami-no-3-[(1 ,2,5,6-tetrahydro-2-methy!-5,6-dioxo-as-triazin-3-y|)thio]ce-
Claims (19)
- 2. Cephalosporinderivater ifølge krav 1, 5 kendetegnet ved, at Y betegner en ikke-aromatisk, i det mindste ved ét af nitrogenatomerne og eventuelt ved ét eller flere carbonatomer substitueret 2-oxo-pyrimidin-4-yl, 4-oxo-pyrimidin-2-yl, 2,6-dioxopyrimidin-4-yl, 2-oxopyrazin-3-yl, 2,3,5-trioxopyrazin-6-yl, 3-oxopyridazin-6-yl, 3-oxopyridazin-4-yl, 5,6-dioxo-as-triazin-3-yl, 10 2-oxotriazin-4-yl eller 2,4-dioxo-triazin-6-yl, hvorhos som substituent ved et ringnitrogenatom respektivt et ringcarbonatom kan forekomme de i krav 1 definerede grupper.
- 3. Cephalosporinderivater ifølge krav 1 eller 2, kendetegnet ved, at Y betegner 4-ethyl-, 4-methyl-, 15 4-allyl-, 4-butyl-, 4-(2-methoxyethy!)-, 1,4-dimethyl- eller 1,4-dieth-yl-1,4,5,6-tetrahydro-5,6-dioxo-3-mercapto-as-triazinyl.
- 4. Cephalosporinderivater ifølge krav 1 eller 2, kendetegnet ved, at Y betegner 1,2,5,6-tetrahydro-!-ethyI-5,6-dioxo-3-mercapto-as-triazinyl.
- 5. Cephalosporinderivater ifølge et hvilket som helst af kravene 1-3, kendetegnet ved, at Y betegner 1-amino-, 1-ethyl- eller 1 -butoxy-1,2-dihydro-4-mercapto-2-oxopyrimidinyl, 1 -butoxy-1,2-di-hydro-4-mercapto-5-methyl-2-oxopyrimidinyl, 1,4-dimethyl-l ,6-dihy-dro-2-mercapto-6-oxopyrimidinyl eller 1 -ethyl-1,4-dihydro-2-mercap-25 to-6-methyl-4-oxopyrimidinyl. 1 2 3 4 Cephalosporinderivat ifølge krav 1, 2 kendeteg n et ved, at det er 7-amino-3-{ [(1,4,5,6-tetrahy- 3 dro-4-ethyI-5,6-dioxo-as-triazi n-3-yl)th io] methyl }-3-cephem-4-carb- 4 oxylsyre eller et salt deraf. DK 155329 B 25
- 7. Cephalosporinderivat ifølge krav 1, k e.n detegnet ved, at det er 7-amino-3-{[(-i^5e-tet!nahy- dro-4-methyl-5,6-dioxo-as-triazin-3-yl)th io] methyl}-3-cephem-4-carb- oxylsyre eller et salt deraf.
- 8. Cephalosporinderivat ifølge krav 1, kendeteg n et ved, at det er 7-amino-3-{[(i^4i5Ae-tetrahy- dro-4-allyl-5,6-dioxo-as-triazin-3-y l)thio] methyl }-3-cephem-4-ca:rb- oxylsyre eller et salt deraf.
- 9. Cephalosporinderivat ifølge krav 1, 10 kendetegnet ved, at det er T-amino-S-f^l^s^G-tetrahy- dro-4-butyl-5,6-dioxo-as-triazin-3-yl)thio] methyl }-3-cephem-4-carb- oxylsyre eller et salt deraf.
- 10. Cephalosporinderivat ifølge krav 1, kendetegnet ved, at det er T-amino-S-ffn^^^-tetrahy-15 dro-4-(2-methoxyethyl)-5,6-dioxo-as-triazin-3-yI)thio]methyl}-3-ce-phem-4-carboxylsyre eller et salt deraf.
- 11. Cephalosporinderivat ifølge krav 1, kendetegnet ved, at det er 7-amino-3-{ [(1,4,5,6-tetrahy-dro-1,4-dimethyl-5,6-dioxo-as-triazin-3-yl)thio]methyl}-3-cephem-4-20 carboxylsyre eller et salt deraf.
- 12. Cephalosporinderivat ifølge krav 1, kendetegnet ved, at det er 7-amino-3-{ [(1,4,5,6-tetrahy-dro-1,4-diethyl-5,6-dioxo-as-triazin-3-y I )thio] methyl }-3-cephem-4-carboxylsyre eller et salt deraf. 1
- 13. Cephalosporinderivat ifølge krav 1, kendetegnet ved, at det er 7-amino-3-{ [(1,2,5,6-tetrahy-dro- 1-ethyI-5, G-dioxo-as-triazin-3-y I )thio] methyl }-3-cephem-4-ca rb-oxylsyre eller et salt deraf. DK 155329B 26
- 14. Cephalosporinderivat ifølge krav 1, kendeteg net ved, at det er 7-amino-7-methoxy-3-{[(1,4,- 5.6- tetrahydro-4-methyl-5,6-dioxo-as-triazin-3-yl)thio]methyl}-3-ce-phem-4-carboxyIsyre eller et salt deraf.
- 15. Cephalosporinderivat ifølge krav 1, kendetegnet ved, at det er 7-amino-3-{[(1-amino-1,2-di-hydro-2-oxo-4-pyrimidinyl)thio]methyl}-3-cephem-4-carboxylsyre eller et salt deraf.
- 16. Cephalosporinderivat ifølge krav 1, 10 kendetegnet ved, at det er 7-amino-3-{[(1-ethyl-1,2-di-hydro-2-oxo-4-pyrimidinyl)thio]methyI}-3-cephem-4-carboxylsyre eller et salt deraf.
- 17. Cephalosporinderivat ifølge krav 1, kendetegnet ved, at det er 7-amino-3-{[(1-butoxy-1,2-di-15 hydro-2-oxo-4-pyrimidinyl)thio] methyl >-3-cephem-4-carboxylsyre eller et salt deraf.
- 18. Cephalosporinderivat ifølge krav 1, kendetegnet ved, at det er 7-amino-3-{[(l-butoxy-1,2-di-hydro-5-methyl-2-oxo-4-pyrimidinyl)thiojmethyl}-3-cephem-4-carb-20 oxylsyre eller et salt deraf.
- 19. Cephalosporinderivat ifølge krav 1, kendetegnet ved, at det er 7-amino-3-{[(1,4-dimethyl- 1.6- dihydro-6-oxo-2-pyrimidinyl)thio] methyl }-3-cephem-4-carboxylsyre eller et salt deraf. 1
- 20. Cephalosporinderivat ifølge krav 1, kendetegnet ved, at det er 7-amino-3-{[(1-ethyl-1,4-di-hydro-6-methyl-4-oxo-2-pyrimidinyl)thio] methyi}-3-cephem-4-carb-oxylsyre eller et salt deraf. DK 155329 B 27
- 21. Cephalosporinderivat ifølge krav 1, ke.ndeteg n et ved, at det er 7-amino-3-{ [0,2,5,6-tetrahy-dro-2-methyl-5,6-dioxo-as-triazin-3-yl)thio] methyl }-3-cephem-4-earb-oxylsyre eller et salt deraf.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH853774A CH609989A5 (en) | 1974-06-21 | 1974-06-21 | Process for the preparation of acyl derivatives |
| CH853774 | 1974-06-21 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK453687D0 DK453687D0 (da) | 1987-08-28 |
| DK453687A DK453687A (da) | 1987-08-28 |
| DK155329B true DK155329B (da) | 1989-03-28 |
| DK155329C DK155329C (da) | 1989-08-07 |
Family
ID=4341690
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK271975A DK153155C (da) | 1974-06-21 | 1975-06-17 | Analogifremgangsmaade til fremstilling af cephalosporiner |
| DK453687A DK155329C (da) | 1974-06-21 | 1987-08-28 | 7-aminocephalosporiner til anvendelse som mellemprodukter ved fremstilling af terapeutisk virksomme 7-acylamino-cephalosporiner |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK271975A DK153155C (da) | 1974-06-21 | 1975-06-17 | Analogifremgangsmaade til fremstilling af cephalosporiner |
Country Status (25)
| Country | Link |
|---|---|
| JP (1) | JPS625917B2 (da) |
| AT (1) | AT337897B (da) |
| AU (1) | AU498387B2 (da) |
| BE (1) | BE830455A (da) |
| BR (1) | BR7503782A (da) |
| CA (1) | CA1111021A (da) |
| CH (1) | CH609989A5 (da) |
| CU (1) | CU34293A (da) |
| DD (1) | DD121113A5 (da) |
| DE (1) | DE2527291A1 (da) |
| DK (2) | DK153155C (da) |
| FI (1) | FI751815A7 (da) |
| FR (1) | FR2275215A1 (da) |
| GB (1) | GB1471804A (da) |
| HU (1) | HU170576B (da) |
| IE (1) | IE41888B1 (da) |
| IL (1) | IL47299A (da) |
| LU (1) | LU72771A1 (da) |
| NL (1) | NL180665C (da) |
| NO (1) | NO752202L (da) |
| NZ (1) | NZ177508A (da) |
| PH (1) | PH13030A (da) |
| SE (1) | SE431755B (da) |
| SU (2) | SU635873A3 (da) |
| ZA (1) | ZA753086B (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7805715A (nl) * | 1977-06-03 | 1978-12-05 | Hoffmann La Roche | Werkwijze voor het bereiden van acylderivaten. |
| JPS5419990A (en) * | 1977-07-14 | 1979-02-15 | Shionogi & Co Ltd | Dihydrotriazinylthioxacephalosporin |
| MC1259A1 (fr) * | 1978-05-30 | 1980-01-14 | Hoffmann La Roche | Derives acyles |
| FR2474030A1 (fr) * | 1980-01-17 | 1981-07-24 | Rhone Poulenc Ind | Nouvelles dioxotriazines et leur preparation |
| FR2494278A1 (fr) * | 1980-11-20 | 1982-05-21 | Rhone Poulenc Ind | Nouveaux derives de la cephalosporine, leurs preparations et les medicaments qui les contiennent |
| AU2002310863A1 (en) * | 2001-04-19 | 2002-11-05 | Bioferma Murcia, S.A. | Enzymatic process for preparing cephalosporanic acid derivatives using alpha-ketoacid derivatives |
| AU2009221328B2 (en) | 2008-03-05 | 2014-02-27 | Merck Patent Gmbh | Pyrazinone derivatives as insulin secretion stimulators, methods for obtaining them and use thereof for the treatment of diabetes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3868369A (en) * | 1972-11-14 | 1975-02-25 | Smithkline Corp | 3-heterocyclicthiomethylcephalosporins |
-
1974
- 1974-06-21 CH CH853774A patent/CH609989A5/xx not_active IP Right Cessation
-
1975
- 1975-05-13 ZA ZA00753086A patent/ZA753086B/xx unknown
- 1975-05-13 NZ NZ177508A patent/NZ177508A/xx unknown
- 1975-05-14 IL IL47299A patent/IL47299A/xx unknown
- 1975-06-06 AU AU81912/75A patent/AU498387B2/en not_active Expired
- 1975-06-16 SE SE7506908A patent/SE431755B/xx not_active IP Right Cessation
- 1975-06-17 BR BR4864/75D patent/BR7503782A/pt unknown
- 1975-06-17 DK DK271975A patent/DK153155C/da not_active IP Right Cessation
- 1975-06-17 PH PH17273A patent/PH13030A/en unknown
- 1975-06-18 IE IE1366/75A patent/IE41888B1/en unknown
- 1975-06-18 SU SU752145554A patent/SU635873A3/ru active
- 1975-06-18 JP JP50074251A patent/JPS625917B2/ja not_active Expired
- 1975-06-18 FI FI751815A patent/FI751815A7/fi not_active Application Discontinuation
- 1975-06-19 LU LU72771A patent/LU72771A1/xx unknown
- 1975-06-19 DE DE19752527291 patent/DE2527291A1/de active Granted
- 1975-06-19 FR FR7519213A patent/FR2275215A1/fr active Granted
- 1975-06-20 CA CA229,803A patent/CA1111021A/en not_active Expired
- 1975-06-20 HU HUHO1808A patent/HU170576B/hu unknown
- 1975-06-20 GB GB2634175A patent/GB1471804A/en not_active Expired
- 1975-06-20 NL NLAANVRAGE7507390,A patent/NL180665C/xx not_active IP Right Cessation
- 1975-06-20 CU CU7534293A patent/CU34293A/es unknown
- 1975-06-20 AT AT476975A patent/AT337897B/de not_active IP Right Cessation
- 1975-06-20 NO NO752202A patent/NO752202L/no unknown
- 1975-06-20 DD DD186797A patent/DD121113A5/xx unknown
- 1975-06-20 BE BE157517A patent/BE830455A/xx not_active IP Right Cessation
-
1976
- 1976-01-07 SU SU762309104A patent/SU589921A3/ru active
-
1987
- 1987-08-28 DK DK453687A patent/DK155329C/da not_active IP Right Cessation
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