CH506536A - Verfahren zur Herstellung von aromatischen Äthern - Google Patents
Verfahren zur Herstellung von aromatischen ÄthernInfo
- Publication number
- CH506536A CH506536A CH257471A CH257471A CH506536A CH 506536 A CH506536 A CH 506536A CH 257471 A CH257471 A CH 257471A CH 257471 A CH257471 A CH 257471A CH 506536 A CH506536 A CH 506536A
- Authority
- CH
- Switzerland
- Prior art keywords
- formula
- piperazinyl
- compounds
- compound
- halogen
- Prior art date
Links
- 150000008378 aryl ethers Chemical class 0.000 title claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 9
- 150000002367 halogens Chemical class 0.000 claims abstract description 9
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 28
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 125000002905 alkanoylamido group Chemical group 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 4
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 125000004149 thio group Chemical group *S* 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 229960001413 acetanilide Drugs 0.000 abstract description 2
- FZERHIULMFGESH-UHFFFAOYSA-N N-phenylacetamide Chemical compound CC(=O)NC1=CC=CC=C1 FZERHIULMFGESH-UHFFFAOYSA-N 0.000 abstract 2
- MDFFNEOEWAXZRQ-UHFFFAOYSA-N aminyl Chemical compound [NH2] MDFFNEOEWAXZRQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002220 antihypertensive agent Substances 0.000 abstract 1
- 238000010561 standard procedure Methods 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- -1 alkoxy radicals Chemical class 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 125000000449 nitro group Chemical class [O-][N+](*)=O 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 125000004432 carbon atom Chemical group C* 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
- 150000002118 epoxides Chemical class 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000001077 hypotensive effect Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- DQEXEEDCMTXOIJ-UHFFFAOYSA-N n-[2-[2-hydroxy-3-[4-(2-methoxyphenyl)piperazin-1-yl]propoxy]phenyl]acetamide Chemical compound COC1=CC=CC=C1N1CCN(CC(O)COC=2C(=CC=CC=2)NC(C)=O)CC1 DQEXEEDCMTXOIJ-UHFFFAOYSA-N 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000000825 pharmaceutical preparation Substances 0.000 description 2
- 229910000033 sodium borohydride Inorganic materials 0.000 description 2
- 239000012279 sodium borohydride Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000011975 tartaric acid Substances 0.000 description 2
- 235000002906 tartaric acid Nutrition 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- ZAYJEEXTRFRSBP-UHFFFAOYSA-N 1-(2-aminophenoxy)-3-[4-(2-methoxyphenyl)piperazin-1-yl]propan-2-ol Chemical compound COC1=CC=CC=C1N1CCN(CC(O)COC=2C(=CC=CC=2)N)CC1 ZAYJEEXTRFRSBP-UHFFFAOYSA-N 0.000 description 1
- ADVGKWPZRIDURE-UHFFFAOYSA-N 2'-Hydroxyacetanilide Chemical compound CC(=O)NC1=CC=CC=C1O ADVGKWPZRIDURE-UHFFFAOYSA-N 0.000 description 1
- ZOAMZFNAPHWBEN-UHFFFAOYSA-N 2-$l^{1}-oxidanylpropane Chemical compound CC(C)[O] ZOAMZFNAPHWBEN-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- HNUALPPJLMYHDK-UHFFFAOYSA-N C[CH]C Chemical compound C[CH]C HNUALPPJLMYHDK-UHFFFAOYSA-N 0.000 description 1
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 208000007530 Essential hypertension Diseases 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- HPMUHKYRFOJKCY-UHFFFAOYSA-N N-[2-[2-hydroxy-3-(4-phenylpiperazin-1-yl)propoxy]phenyl]acetamide Chemical compound C1(=CC=CC=C1)N1CCN(CC1)CC(COC1=C(NC(C)=O)C=CC=C1)O HPMUHKYRFOJKCY-UHFFFAOYSA-N 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- YKIOKAURTKXMSB-UHFFFAOYSA-N adams's catalyst Chemical compound O=[Pt]=O YKIOKAURTKXMSB-UHFFFAOYSA-N 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 125000005236 alkanoylamino group Chemical group 0.000 description 1
- 125000005278 alkyl sulfonyloxy group Chemical group 0.000 description 1
- 230000003276 anti-hypertensive effect Effects 0.000 description 1
- 125000004391 aryl sulfonyl group Chemical group 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 231100000636 lethal dose Toxicity 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- CWCHXEBZHLYABD-UHFFFAOYSA-N n-[2-[2-hydroxy-3-[4-(2-methylphenyl)piperazin-1-yl]propoxy]phenyl]acetamide Chemical compound CC(=O)NC1=CC=CC=C1OCC(O)CN1CCN(C=2C(=CC=CC=2)C)CC1 CWCHXEBZHLYABD-UHFFFAOYSA-N 0.000 description 1
- WXXMQPGTUMQTNW-UHFFFAOYSA-N n-[2-[3-[4-(2-ethoxyphenyl)piperazin-1-yl]-2-hydroxypropoxy]phenyl]propanamide Chemical compound CCOC1=CC=CC=C1N1CCN(CC(O)COC=2C(=CC=CC=2)NC(=O)CC)CC1 WXXMQPGTUMQTNW-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 125000004043 oxo group Chemical group O=* 0.000 description 1
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 description 1
- 229940031826 phenolate Drugs 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000005424 tosyloxy group Chemical group S(=O)(=O)(C1=CC=C(C)C=C1)O* 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
- C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
- C07D295/088—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D203/00—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom
- C07D203/04—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D203/06—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D203/08—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring nitrogen atom
- C07D203/10—Radicals substituted by singly bound oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/06—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members
- C07D241/08—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/10—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/10—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms
- C07D295/104—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
- C07D295/108—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/12—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/12—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms
- C07D295/135—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
- C07D303/18—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
- C07D303/20—Ethers with hydroxy compounds containing no oxirane rings
- C07D303/22—Ethers with hydroxy compounds containing no oxirane rings with monohydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/34—Compounds containing oxirane rings with hydrocarbon radicals, substituted by sulphur, selenium or tellurium atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Verfahren zur Herstellung von aromatischen Äthern
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von aromatischen Äthern der Formel
EMI1.1
in der R, Amino, nieder-Alkanoylamido oder N-Niederalkyl-niederalkanoylamido, R2 Wasserstoff oder Halogen, Rs und RX je Wasserstoff, Amino, Halogen, niederes Alkyl oder niederes Alkoxy darstellen und X eine Oxy- oder Thiogruppe bedeutet.
Die vorstehend genannten niederen Alkylreste sind Alkylreste mit bis zu 6 Kohlenstoffatomen. Sie können verzweigt oder unverzweigt sein, wie beispie'sweise der Methyl-, Äthyl- oder Isopropylrest. Auch die niederen Alkoxyreste können gegebenenfalls verzweigt sein und enthalten vornehmlich bis zu 6 Kohlenstoffatome, wie z.B. der Methoxy-, Äthoxy- oder Isopropoxyrest. Von den Halogenatomen sind Fluor und Chlor bevorzugt.
Die niederen Alkanoylamido- und niederen Alkylalkanoylamidogruppen enthalten Reste, die sich von niederen Alkancarbonsäuren mit bis zu 6 Kohlenstoffatomen ableiten.
Als repräsentative Vertreter der erfindungsgemäss herstellbaren Verbindungsklasse können genannt werden: rac. o- {3-[4-(o-Methoxy-phenyl)- 1 -piperazinyl]-2-hydroxy-propoxy} -anilin rac. o-t3-[4-(o-Methoxy-phenyl)-1-piperazinyl]-2-hy- el roxy-propoxy) -methylanilin rac. o-:
:3-[4-(o-Amino-phenyl)- 1 -piperazinyl]-2-hydroxy -propoxy -anilin rac. 2'- [3-(4-Phenyl- 1 -piperazinyl)-2-hydroxy-propoxy] -acetanilid rac. 2'-(3-[4-(p-Chlor-phenyl)- 1 -piperaziny]]-2-hydroxy- -propyl)-acetanilid rac. 2'-[3-(4-o-Tolyl-1-piperazinyl)-2-hydroxy-propoxy]- -acetanilid rac. 2'-{3-[4-(o-Methoxy-phenyl)- 1 -piperazinyl] -2-hy- droxy-propoxy)-acetanilid rac. 2'-{3-[-(2,4-Dimethoxy-phenyl)-1-piperazinyl]-2-hy- d roxy-propoxy} -acetanilid rac.
2'-[3-(4-Phenyl-1-piperazinyl)-2-hydroxy-propoxy]- -propionanilid rac. 2'-(3- [4-(o-Äthoxy-phenyl)- 1 -piperazinyl] -2-hydroxy- -propoxy)-propionanilid rac. 2'-(3 -[4-(o-Methoxy-pheny1)- 1 -piperazinyl]-2-hy droxy-propoxy]-N-methyl-acetanilid rac. 4'-t3-[4-(o-Methoxy-phenyl)- 1 -piperazinyl]-2-hy droxy-propyl)-thio-acetanilid (+) o-{3-[4-(o-Methoxy-phenyl)- 1 -piperazinyl]-2-hydroxy-propoxy} -anilin (+) 2'-{3-[4-(o-Methoxy-phenyl)-1-piperazinyl]-2-hy- droxy-propoxy} -acetanilid.
Die Verbindungen der Formel I werden erfindungsgemäss dadurch hergestellt, dass man eine Verbindung der Formel
II
EMI1.2
reduziert.
Die Carbonylgruppe in den Verbindungen der Formel II wird in an sich bekannter Weise, z.B. durch Behandeln mit einem komplexen Metallhydrid, insbesondere mit einem komplexen Borhydrid, zu Verbindungen der Formel I reduziert. Die Reduktion wird zweckmässig mit Hilfe eines Alkalimetallborhydrids, insbesondere mit Hilfe von Natriumborhydrid in einem niederen Alkanol, wie Äthanol in einem zwischen der Raumtemperatur und der Siedetemperatur des Reaktionsgemisches liegenden Temperaturbereich durchgeführt.
Die Ausgangsverbindungen der allgemeinen Formel II können z.B. dadurch hergestellt werden, dass man eine Verbindung der Formel
EMI2.1
in der R'! Nitro, Niederalkanoylamido oder N-Nieder alkyl-niederalkanoylamino bedeutet, mit einer Verbindung der Formel
EMI2.2
in der R"'3 und R"+ je Wasserstoff, Nitro, Halogen, nie- deres Alkyl oder niederes Alkoxy darstellen und Z Halogen, eine niedere Alkylsulfonyloxy- oder Arylsulfonyl oxogruppe bezeichnet, umsetzt und dass man eine im er haltenen Produkt vorhandene Nitrogruppe reduziert.
Die Ausgangsverbindungen der Formel III, z.B. das o-Acetamidophenol, sind gemeinhin bekannte Verbindungen.
Die Reaktionskomponenten der Formel IV sind ebenfalls bekannte Verbindungen. Die entsprechenden Tosyloxyverbindungen werden zweckmässig durch Umsetzen der entsprechenden Epoxyde mit p-Toluolsulfosäure hergestellt.
Die Umsetzung von Verbindungen der Formel III mit Verbindungen der Formel IV zu Verbindungen der Formel II wird z.B. in der Weise durchgeführt, dass man ein Phenolat der Formel III mit einer Halogen- oder Alkylbzw. Aralkylsulfonyloxyverbindung der Formel IV ver äthert, oder dass man ein Phenol der Formel III mit einem Epoxyd der Formel IV umsetzt. Eine vorteilhafte Aus führungsform besteht darin, dass man die Verbindung der Formel III mit Hilfe eines Alkalimetallalkanolates in das Alkalisalz überführt und in einem zwischen der Raumtemperatur und der Siedetemperatur des Reaktionsgemisches liegenden Temperaturbereich mit der Verbin dung der Formel IV reagieren lässt.
Verwendet man das Epoxyd einer Verbindung der Formel IV, so führt man die Umsetzung mit einer Verbindung der Formel III vorzugsweise in Gegenwart einer katalytischen Menge einer organischen oder anorganischen Base, z.B. in Gegenwart von Pyridin oder Kaliumhydroxyd in einem polaren Lösungsmittel, insbesondere in einem niederen Alkanol wie Äthanol oder in einem cyclischen Äther wie Dioxan, tunlich in einem zwischen der Raumtemperatur und der Siedetemperatur des Reaktionsgemisches liegenden Temperaturbereich durch.
Erhaltene Verbindungen, die eine Nitrogruppe enthalten, werden in an sich bekannter Weise zweckmässig auf chemischem oder katalytischem Wege, z.B. mit Hilfe von Zinn/Salzsäure oder mit Wasserstoff in Gegenwart eines Edelmetallkatalysators reduziert. Die Hydrierung wird bevorzugt in einem Alkanol, insbesondere in Äthanol in Gegenwart von Palladium-Kohle oder Platindioxyd als Katalysator unter Normaldruck bei Raumtemperatur durchgeführt.
Die erfindungsgemäss erhältlichen Verbindungen der Formel I. fallen als Racemate an. Diese, sowie insbesondere die entsprechenden nitrosubstituierten Verbindungen können in bekannter Weise, z.B. mit Hilfe von optisch aktiven Säuren wie Weinsäure. in die optischen Antipoden aufgetrennt werden.
Die Verbindungen der Formel I bilden mit anorganischen oder organischen Säuren Additionssalze. Als Beispiele können genannt werden: Salze mit Halogenwasserstoffsäuren, insbesondere mit Chlor- oder Bromwasserstoffsäure, Salze mit Mineralsäuren, beispielsweise mit Schwefelsäure oder auch Salze mit organischen Säuren, z.B. mit Benzoesäure, Essigsäure, Weinsäure, Zitronensäure oder Milchsäure.
Die erfindungsgemäss herstellbaren aromatischen Äther sind hypotensiv wirksam. Das (+) 2'-{3-[4-(o-Methoxy-phenyl)- 1 -piperazinyl]-2-hydroxy-propoxy}acetanilid, ein repräsentativer Vertreter dieser Verbindungsklasse, ist besonders stark hypotensiv wirksam. Die Toxizität dieser Verbindung ist sehr gering. Bei Mäusen und Ratten liegt die letale Dosis [LDsQ] bei oraler Verabreichung bei über 300 mg/kg. Die blutdrucksenkende Wirkung tritt bei Hunden bereits bei einer Dosis von 0,3 mg p.o./kg auf. Verbindungen der Formel I, in der R1 Acylamido, R und R5 Wasserstoff, R Wasserstoff oder Alkoxy darstellen, X eine Oxygruppe bedeutet und Y eine Hydroxymethylengruppe bezeichnet. nehmen eine Vorzugsstellung ein.
Die aromatischen Äther der Formel I können als hypotensiv wirksame Mittel zur Bekämpfung des krankhaften Bluthochdruckes, insbesondere zur Bekämpfung der essentiellen Hypertonie, verwendet werden, und zwar in Form pharmazeutischer Präparate, die diese Verbindungen oder ihre Salze in Mischung mit einem für die enterale oder parenterale Applikation geeigneten pharmazeutischen, organischen oder anorganischen inerten Träger enthalten. Die pharmazeutischen Präparate können in fester Form oder in flüssiger Form vorliegen. Die Präparate können auch noch zusätzlich andere therapeutisch wertvolle Stoffe enthalten.
Beispiel 2.5g4'-(3-[4-(p-Fluorphenyl)-3.6-dihydro- 1 (2H) -pyri dyl]-2-oxopropyl}-isobutyranilid-hydrochlorid werden in 50 ml Methanol gelöst und unter Rühren mit einer Lösung von 1,0 g Natriumborhydrid in 20 ml Methanol (auf pH 9 eingestellt) versetzt. Das Reaktionsgemisch wird nach beendeter Zugabe 30 Minuten bei Raumtemperatur weitergeführt, unter vermindertem Druck bis zur Abscheidung des Natriumchlorids eingeengt, filtriert und zur Trockene eingedampft.
Das zurückbleibende rac.-4' - (3-[4-(p-Fluorphenyl)-3,6-dihydro-1(2H)-pyridyl) -2- hy- droxy-propoxy)-isobutyranilid wird in Methylenchlorid gelöst, filtriert und nach Verdampfen des Lösungsmittels durch Zugabe von alkoholischer Salzsäure bis zur kongosauren Reaktion in das Hydrochlorid übergeführt, Smp. 1 80-1820C (aus Methanol).
Claims (1)
- PATENTANSPRUCHVerfahren zur Herstellung von aromatischen Äthern der Formel EMI3.1 in der R1 Amino, Niederalkanoylamido oder N-Niederalkylniederalkanoylamido, R5 Wasserstoff oder Halogen, R3 und Rs je Wasserstoff, Amino, Halogen, niederes Alkyl oder niederes Alkoxy darstellen und X eine Oxyoder Thiogruppe bedeutet, dadurch gekennzeichnet, dass man eine Verbindung der Formel II EMI3.2 reduziert.UNTERANSPRÜCHE 1. Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass man eine Verbindung der Formel Ua EMI3.3 in der R"1 eine niedere Alkanoylamidogruppe darstellt, reduziert.2. Verfahren nach Patentanspruch oder Unteranspruch 1, dadurch gekennzeichnet, dass man die erhaltene Verbindung der Formel I in ein Säureadditionssalz überführt.F. Hoffmann-La Roche & Co. Aktiengesellschaft
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH257471A CH506536A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH257471A CH506536A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH1926968A CH528516A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH506536A true CH506536A (de) | 1971-04-30 |
Family
ID=4438418
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH256971A CH521354A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH1926968A CH528516A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH257371A CH506535A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH257271A CH506534A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH257171A CH521356A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH257471A CH506536A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH257071A CH521355A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
Family Applications Before (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH256971A CH521354A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH1926968A CH528516A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH257371A CH506535A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH257271A CH506534A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
| CH257171A CH521356A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH257071A CH521355A (de) | 1968-12-24 | 1968-12-24 | Verfahren zur Herstellung von aromatischen Äthern |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US3701777A (de) |
| JP (3) | JPS495350B1 (de) |
| AT (4) | AT296319B (de) |
| BE (1) | BE743494A (de) |
| CA (1) | CA967965A (de) |
| CH (7) | CH521354A (de) |
| CS (2) | CS159259B2 (de) |
| DE (1) | DE1964423A1 (de) |
| DK (1) | DK136528B (de) |
| ES (1) | ES374836A1 (de) |
| FI (1) | FI53126C (de) |
| FR (1) | FR2027036B1 (de) |
| GB (1) | GB1290490A (de) |
| IL (1) | IL33508A (de) |
| MY (1) | MY7300260A (de) |
| NL (1) | NL6919400A (de) |
| NO (1) | NO126734B (de) |
| SE (1) | SE361666B (de) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1325876A (en) * | 1969-08-15 | 1973-08-08 | Pfizer Ltd | Piperazine derivatives their preparation and pharmaceutical compositions containing them |
| US3930004A (en) * | 1970-11-10 | 1975-12-30 | Pfizer | Method of using phenoxypropanolpiperazine compounds to lower blood pressure |
| GB1317479A (en) * | 1970-11-10 | 1973-05-16 | Pfizer Ltd | 1-2-hydroxy-3-phenoxy or phenylthiopropyl-4-phenyl-piperazine derivatives |
| US3951983A (en) * | 1970-11-10 | 1976-04-20 | Pfizer Inc. | Phenoxypropanolpiperazines |
| FR2154493B1 (de) * | 1971-09-13 | 1975-10-31 | Kali Chemie Ag | |
| BE792187A (fr) * | 1971-12-03 | 1973-03-30 | Sumitomo Chemical Co | Nouveaux derives d'alkylamines |
| NL175059C (nl) * | 1974-02-23 | Boehringer Mannheim Gmbh | Bereiding van bloeddrukverlagende stoffen en van preparaten die ze bevatten. | |
| GB1583372A (en) * | 1977-04-04 | 1981-01-28 | Degussa | 1-(3-(3,4,5-trimethoxyphenoxy)-2-hydroxypropyl)-4-aryl piperazine derivatives |
| US4336382A (en) * | 1979-09-06 | 1982-06-22 | Hoffmann-La Roche Inc. | 1,4-Disubstituted piperazine compounds |
| JPS58164583A (ja) * | 1982-03-18 | 1983-09-29 | Nippon Shinyaku Co Ltd | フエノキシプロパノ−ルアミン誘導体 |
| US4616017A (en) * | 1984-06-04 | 1986-10-07 | Merck & Co., Inc. | Aminohydroxypropoxy substituted aryl compounds |
| FR2568878B1 (fr) * | 1984-08-07 | 1986-11-21 | Cortial | Nouveaux derives de (phenylpiperazinylethylamine ethoxy)-4 phenol, leur methode de preparation et leur application therapeutique |
| EP0179009A1 (de) * | 1984-09-19 | 1986-04-23 | Cortial S.A. | N-1(Aminoalcoxy)-4-isopropyl-5 phenoxy)-2 ethyl-N-4-phenylpiperazine, Verfahren zu ihrer Herstellung und ihre therapeutische Verwendung |
| GB8619472D0 (en) * | 1986-08-09 | 1986-09-17 | Pfizer Ltd | Anti-arrhythmia agents |
| US4906634A (en) * | 1988-03-08 | 1990-03-06 | Schering A.G. | Novel N-[4-(aminosubstituted)phenyl]methanesulfonamides and their use as cardiovascular agents |
| FR2632641B1 (fr) * | 1988-06-13 | 1990-10-12 | Irceba | ((aryl-4-piperazinyl-1)-2 ethoxy)-3 p-cymene, les derives ortho, meta, para monosubstitues ou disubstitues sur le noyau phenyle dudit produit, le procede de preparation desdits derives, et les medicaments contenant lesdits composes comme principe actif |
| US5051423A (en) * | 1988-07-13 | 1991-09-24 | Schering Ag | Derivatized alkanolamines as cardiovascular agents |
| US5614526A (en) * | 1995-06-09 | 1997-03-25 | Hoffmann-La Roche Inc. | Use of phenoxy-piperzine derivatives |
| DE69828317T2 (de) | 1997-10-31 | 2005-05-25 | Daiichi Suntory Pharma Co., Ltd. | Verfahren zur Herstellung von N-((4-Phenyl)methylphenyl)piperazinen |
| EP2847193B1 (de) * | 2012-05-09 | 2019-08-07 | Sunovion Pharmaceuticals Inc. | Heteroarylverbindungen und verfahren zur verwendung davon |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1382420A (fr) * | 1963-01-14 | 1964-12-18 | Ciba Geigy | Procédé pour la préparation de diaza-cyclo-alcanes, entre autres de la 1-(2-hydroxy-3-phénoxy-propyl)-4-(2-méthyl-phényl)-pipérazine |
-
0
- CA CA069*7A patent/CA967965A/en not_active Expired
-
1968
- 1968-12-24 CH CH256971A patent/CH521354A/de not_active IP Right Cessation
- 1968-12-24 CH CH1926968A patent/CH528516A/de not_active IP Right Cessation
- 1968-12-24 CH CH257371A patent/CH506535A/de not_active IP Right Cessation
- 1968-12-24 CH CH257271A patent/CH506534A/de not_active IP Right Cessation
- 1968-12-24 CH CH257171A patent/CH521356A/de not_active IP Right Cessation
- 1968-12-24 CH CH257471A patent/CH506536A/de not_active IP Right Cessation
- 1968-12-24 CH CH257071A patent/CH521355A/de not_active IP Right Cessation
-
1969
- 1969-12-04 US US882297A patent/US3701777A/en not_active Expired - Lifetime
- 1969-12-09 IL IL6933508A patent/IL33508A/xx unknown
- 1969-12-16 GB GB1290490D patent/GB1290490A/en not_active Expired
- 1969-12-19 FI FI3703/69A patent/FI53126C/fi active
- 1969-12-22 CS CS798972*1A patent/CS159259B2/cs unknown
- 1969-12-22 CS CS845769A patent/CS159258B2/cs unknown
- 1969-12-22 BE BE743494D patent/BE743494A/xx unknown
- 1969-12-22 DK DK680869AA patent/DK136528B/da unknown
- 1969-12-23 AT AT01993/71A patent/AT296319B/de not_active IP Right Cessation
- 1969-12-23 AT AT1199569A patent/AT296314B/de not_active IP Right Cessation
- 1969-12-23 SE SE17878/69A patent/SE361666B/xx unknown
- 1969-12-23 NO NO695111A patent/NO126734B/no unknown
- 1969-12-23 ES ES374836A patent/ES374836A1/es not_active Expired
- 1969-12-23 FR FR696944582A patent/FR2027036B1/fr not_active Expired
- 1969-12-23 AT AT199171A patent/AT296317B/de not_active IP Right Cessation
- 1969-12-23 DE DE19691964423 patent/DE1964423A1/de active Pending
- 1969-12-23 AT AT199271A patent/AT296318B/de not_active IP Right Cessation
- 1969-12-24 NL NL6919400A patent/NL6919400A/xx unknown
-
1971
- 1971-03-16 JP JP46014651A patent/JPS495350B1/ja active Pending
- 1971-03-16 JP JP46014649A patent/JPS495348B1/ja active Pending
- 1971-03-16 JP JP46014650A patent/JPS495349B1/ja active Pending
-
1973
- 1973-12-30 MY MY260/73A patent/MY7300260A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3701777A (en) | 1972-10-31 |
| FI53126B (de) | 1977-10-31 |
| JPS495348B1 (de) | 1974-02-06 |
| GB1290490A (de) | 1972-09-27 |
| ES374836A1 (es) | 1972-01-16 |
| BE743494A (de) | 1970-06-22 |
| CH528516A (de) | 1972-09-30 |
| CS159258B2 (de) | 1974-12-27 |
| JPS495350B1 (de) | 1974-02-06 |
| SE361666B (de) | 1973-11-12 |
| NL6919400A (de) | 1970-06-26 |
| CH521355A (de) | 1972-04-15 |
| AT296317B (de) | 1972-02-10 |
| IL33508A (en) | 1974-05-16 |
| AT296318B (de) | 1972-02-10 |
| CH521356A (de) | 1972-04-15 |
| NO126734B (de) | 1973-03-19 |
| FR2027036B1 (de) | 1973-01-12 |
| AT296319B (de) | 1972-01-15 |
| CH506535A (de) | 1971-04-30 |
| DK136528B (da) | 1977-10-24 |
| CS159259B2 (de) | 1974-12-27 |
| CH521354A (de) | 1972-04-15 |
| CA967965A (en) | 1975-05-20 |
| FI53126C (de) | 1978-02-10 |
| IL33508A0 (en) | 1970-02-19 |
| CH506534A (de) | 1971-04-30 |
| DE1964423A1 (de) | 1970-07-30 |
| FR2027036A1 (de) | 1970-09-25 |
| MY7300260A (en) | 1973-12-31 |
| JPS495349B1 (de) | 1974-02-06 |
| DK136528C (de) | 1978-03-28 |
| AT296314B (de) | 1972-02-10 |
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