DE2221123C2 - Reserpsäurederivate, Verfahren zu deren Herstellung und Arzneimittel - Google Patents
Reserpsäurederivate, Verfahren zu deren Herstellung und ArzneimittelInfo
- Publication number
- DE2221123C2 DE2221123C2 DE2221123A DE2221123A DE2221123C2 DE 2221123 C2 DE2221123 C2 DE 2221123C2 DE 2221123 A DE2221123 A DE 2221123A DE 2221123 A DE2221123 A DE 2221123A DE 2221123 C2 DE2221123 C2 DE 2221123C2
- Authority
- DE
- Germany
- Prior art keywords
- acid
- mixture
- methyl
- reserpine
- acid derivatives
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title description 14
- 238000002360 preparation method Methods 0.000 title description 5
- 239000003814 drug Substances 0.000 title description 2
- JVHNBFFHWQQPLL-WOXROFTLSA-N reserpic acid Chemical class COC1=CC=C2C(CCN3C[C@H]4C[C@@H](O)[C@@H]([C@H]([C@H]4C[C@@H]33)C(O)=O)OC)=C3NC2=C1 JVHNBFFHWQQPLL-WOXROFTLSA-N 0.000 title description 2
- QEVHRUUCFGRFIF-MDEJGZGSSA-N reserpine Chemical compound O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 QEVHRUUCFGRFIF-MDEJGZGSSA-N 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 13
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 12
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 11
- SZLZWPPUNLXJEA-UHFFFAOYSA-N 11,17-dimethoxy-18-[3-(3,4,5-trimethoxy-phenyl)-acryloyloxy]-yohimbane-16-carboxylic acid methyl ester Natural products C1C2CN3CCC(C4=CC=C(OC)C=C4N4)=C4C3CC2C(C(=O)OC)C(OC)C1OC(=O)C=CC1=CC(OC)=C(OC)C(OC)=C1 SZLZWPPUNLXJEA-UHFFFAOYSA-N 0.000 description 10
- SZLZWPPUNLXJEA-FMCDHCOASA-N Rescinnamine Natural products O=C(O[C@H]1[C@@H](OC)[C@@H](C(=O)OC)[C@@H]2[C@H](C1)CN1[C@@H](c3[nH]c4c(c3CC1)ccc(OC)c4)C2)/C=C/c1cc(OC)c(OC)c(OC)c1 SZLZWPPUNLXJEA-FMCDHCOASA-N 0.000 description 10
- SZLZWPPUNLXJEA-QEGASFHISA-N rescinnamine Chemical compound O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)\C=C\C1=CC(OC)=C(OC)C(OC)=C1 SZLZWPPUNLXJEA-QEGASFHISA-N 0.000 description 10
- 229960001965 rescinnamine Drugs 0.000 description 10
- DNXIKVLOVZVMQF-UHFFFAOYSA-N (3beta,16beta,17alpha,18beta,20alpha)-17-hydroxy-11-methoxy-18-[(3,4,5-trimethoxybenzoyl)oxy]-yohimban-16-carboxylic acid, methyl ester Natural products C1C2CN3CCC(C4=CC=C(OC)C=C4N4)=C4C3CC2C(C(=O)OC)C(O)C1OC(=O)C1=CC(OC)=C(OC)C(OC)=C1 DNXIKVLOVZVMQF-UHFFFAOYSA-N 0.000 description 9
- LCQMZZCPPSWADO-UHFFFAOYSA-N Reserpilin Natural products COC(=O)C1COCC2CN3CCc4c([nH]c5cc(OC)c(OC)cc45)C3CC12 LCQMZZCPPSWADO-UHFFFAOYSA-N 0.000 description 9
- QEVHRUUCFGRFIF-SFWBKIHZSA-N Reserpine Natural products O=C(OC)[C@@H]1[C@H](OC)[C@H](OC(=O)c2cc(OC)c(OC)c(OC)c2)C[C@H]2[C@@H]1C[C@H]1N(C2)CCc2c3c([nH]c12)cc(OC)cc3 QEVHRUUCFGRFIF-SFWBKIHZSA-N 0.000 description 9
- 229960003147 reserpine Drugs 0.000 description 9
- MDMGHDFNKNZPAU-UHFFFAOYSA-N roserpine Natural products C1C2CN3CCC(C4=CC=C(OC)C=C4N4)=C4C3CC2C(OC(C)=O)C(OC)C1OC(=O)C1=CC(OC)=C(OC)C(OC)=C1 MDMGHDFNKNZPAU-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- WOGITNXCNOTRLK-VOTSOKGWSA-N (e)-3-phenylprop-2-enoyl chloride Chemical compound ClC(=O)\C=C\C1=CC=CC=C1 WOGITNXCNOTRLK-VOTSOKGWSA-N 0.000 description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 6
- 230000003276 anti-hypertensive effect Effects 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- RWXOJPNUXMEPLE-UHFFFAOYSA-N methyl 6,18-dimethoxy-3-nitro-17-(3,4,5-trimethoxybenzoyl)oxy-11,12,14,15,16,17,18,19,20,21-decahydro-1h-yohimban-19-carboxylate Chemical compound C1C2CN3CCC(C4=CC=C(OC)C=C4N4[N+]([O-])=O)=C4C3CC2C(C(=O)OC)C(OC)C1OC(=O)C1=CC(OC)=C(OC)C(OC)=C1 RWXOJPNUXMEPLE-UHFFFAOYSA-N 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 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 4
- MDJQWFFIUHUJSB-UQVJXISSSA-N Methyl reserpate Chemical compound COC1=CC=C2C(CCN3C[C@H]4C[C@@H](O)[C@@H]([C@H]([C@H]4C[C@@H]33)C(=O)OC)OC)=C3NC2=C1 MDJQWFFIUHUJSB-UQVJXISSSA-N 0.000 description 4
- MDJQWFFIUHUJSB-MIESRMKVSA-N Methyl reserpate Natural products O=C(OC)[C@@H]1[C@@H](OC)[C@H](O)C[C@H]2[C@H]1C[C@H]1N(C2)CCc2c3c([nH]c12)cc(OC)cc3 MDJQWFFIUHUJSB-MIESRMKVSA-N 0.000 description 4
- MDJQWFFIUHUJSB-UHFFFAOYSA-N Reserpinsaeure-methylester Natural products COC1=CC=C2C(CCN3CC4CC(O)C(C(C4CC33)C(=O)OC)OC)=C3NC2=C1 MDJQWFFIUHUJSB-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229960001679 octinoxate Drugs 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- OQNGCCWBHLEQFN-UHFFFAOYSA-N chloroform;hexane Chemical compound ClC(Cl)Cl.CCCCCC OQNGCCWBHLEQFN-UHFFFAOYSA-N 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- QFQYZMGOKIROEC-UHFFFAOYSA-N 3-(1,3-benzodioxol-5-yl)prop-2-enoic acid Chemical compound OC(=O)C=CC1=CC=C2OCOC2=C1 QFQYZMGOKIROEC-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- 241000700159 Rattus Species 0.000 description 2
- 230000007059 acute toxicity Effects 0.000 description 2
- 231100000403 acute toxicity Toxicity 0.000 description 2
- 125000005194 alkoxycarbonyloxy group Chemical group 0.000 description 2
- 229930016911 cinnamic acid Natural products 0.000 description 2
- 235000013985 cinnamic acid Nutrition 0.000 description 2
- -1 cinnamic acid compound Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000001665 trituration Methods 0.000 description 2
- HJBWJAPEBGSQPR-GQCTYLIASA-N 3,4-dimethoxycinnamic acid Chemical compound COC1=CC=C(\C=C\C(O)=O)C=C1OC HJBWJAPEBGSQPR-GQCTYLIASA-N 0.000 description 1
- WBJQTHIVYWAEDD-UHFFFAOYSA-N 3-(1,3-benzodioxol-5-yl)prop-2-enoyl chloride Chemical compound ClC(=O)C=CC1=CC=C2OCOC2=C1 WBJQTHIVYWAEDD-UHFFFAOYSA-N 0.000 description 1
- LJMXXNVTJTYKRH-UHFFFAOYSA-N 3-(4-ethoxy-3-methoxyphenyl)prop-2-enoic acid Chemical compound CCOC1=CC=C(C=CC(O)=O)C=C1OC LJMXXNVTJTYKRH-UHFFFAOYSA-N 0.000 description 1
- FHJHNBRYOKQMEJ-UHFFFAOYSA-N 3-(4-ethoxycarbonyloxy-3-methoxyphenyl)prop-2-enoic acid Chemical compound CCOC(=O)OC1=CC=C(C=CC(O)=O)C=C1OC FHJHNBRYOKQMEJ-UHFFFAOYSA-N 0.000 description 1
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 description 1
- HJBWJAPEBGSQPR-UHFFFAOYSA-N DMCA Natural products COC1=CC=C(C=CC(O)=O)C=C1OC HJBWJAPEBGSQPR-UHFFFAOYSA-N 0.000 description 1
- YXHKONLOYHBTNS-UHFFFAOYSA-N Diazomethane Chemical compound C=[N+]=[N-] YXHKONLOYHBTNS-UHFFFAOYSA-N 0.000 description 1
- DEUFHLFQPMURDV-UHFFFAOYSA-N Dimethoxycinnamic acid Chemical compound COC(C(O)=O)=C(OC)C1=CC=CC=C1 DEUFHLFQPMURDV-UHFFFAOYSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- YBGZDTIWKVFICR-JLHYYAGUSA-N Octyl 4-methoxycinnamic acid Chemical compound CCCCC(CC)COC(=O)\C=C\C1=CC=C(OC)C=C1 YBGZDTIWKVFICR-JLHYYAGUSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 244000061121 Rauvolfia serpentina Species 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical class [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000005530 alkylenedioxy group Chemical group 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- SLUNEGLMXGHOLY-UHFFFAOYSA-N benzene;hexane Chemical compound CCCCCC.C1=CC=CC=C1 SLUNEGLMXGHOLY-UHFFFAOYSA-N 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229940114081 cinnamate Drugs 0.000 description 1
- 150000001851 cinnamic acid derivatives Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 231100000673 dose–response relationship Toxicity 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- RFHAOTPXVQNOHP-UHFFFAOYSA-N fluconazole Chemical compound C1=NC=NN1CC(C=1C(=CC(F)=CC=1)F)(O)CN1C=NC=N1 RFHAOTPXVQNOHP-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- ZYWIWGUMKCZKOO-BQTSRIDJSA-N methyl (1r,15s,17r,18r,19s,20s)-6,18-dimethoxy-17-(3,4,5-trimethoxybenzoyl)oxy-1,3,11,12,14,15,16,17,18,19,20,21-dodecahydroyohimban-19-carboxylate;hydrochloride Chemical compound Cl.O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 ZYWIWGUMKCZKOO-BQTSRIDJSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000002107 myocardial effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000001624 sedative effect Effects 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 231100000041 toxicology testing Toxicity 0.000 description 1
- NGSWKAQJJWESNS-ZZXKWVIFSA-N trans-4-coumaric acid Chemical compound OC(=O)\C=C\C1=CC=C(O)C=C1 NGSWKAQJJWESNS-ZZXKWVIFSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D459/00—Heterocyclic compounds containing benz [g] indolo [2, 3-a] quinolizine ring systems, e.g. yohimbine; 16, 18-lactones thereof, e.g. reserpic acid lactone
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7878271 | 1971-10-08 | ||
| JP7878171A JPS5010880B2 (enExample) | 1971-10-08 | 1971-10-08 | |
| JP10568571A JPS4872200A (enExample) | 1971-12-28 | 1971-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2221123A1 DE2221123A1 (de) | 1973-04-12 |
| DE2221123C2 true DE2221123C2 (de) | 1983-04-28 |
Family
ID=27302804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2221123A Expired DE2221123C2 (de) | 1971-10-08 | 1972-08-28 | Reserpsäurederivate, Verfahren zu deren Herstellung und Arzneimittel |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3898215A (enExample) |
| BE (1) | BE782661A (enExample) |
| CH (1) | CH552609A (enExample) |
| DE (1) | DE2221123C2 (enExample) |
| DK (1) | DK140257B (enExample) |
| FR (1) | FR2156528B1 (enExample) |
| GB (1) | GB1386859A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140323511A1 (en) * | 2013-03-01 | 2014-10-30 | Wake Forest University Health Sciences | Chemotherapeutic for inducing an msh2 dependent apoptotic pathway |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126387A (en) * | 1964-03-24 | Analogs thereof | ||
| US3109003A (en) * | 1962-10-24 | 1963-10-29 | Upjohn Co | Lower alkyl reserpate-18-[alpha-methyl-beta-(3, 4, 5-trimethoxyphenyl)]-acrylate |
| US3702325A (en) * | 1969-08-07 | 1972-11-07 | Lab Toraude | Indole alkaloid derivatives |
-
1972
- 1972-04-19 US US245652A patent/US3898215A/en not_active Expired - Lifetime
- 1972-04-26 BE BE782661A patent/BE782661A/xx unknown
- 1972-04-27 FR FR7215088A patent/FR2156528B1/fr not_active Expired
- 1972-04-27 DK DK209672AA patent/DK140257B/da not_active IP Right Cessation
- 1972-04-28 GB GB1986272A patent/GB1386859A/en not_active Expired
- 1972-04-28 CH CH633372A patent/CH552609A/fr not_active IP Right Cessation
- 1972-08-28 DE DE2221123A patent/DE2221123C2/de not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| US3898215A (en) | 1975-08-05 |
| DE2221123A1 (de) | 1973-04-12 |
| BE782661A (fr) | 1972-10-26 |
| GB1386859A (en) | 1975-03-12 |
| FR2156528B1 (enExample) | 1976-04-16 |
| DK140257B (da) | 1979-07-16 |
| CH552609A (fr) | 1974-08-15 |
| FR2156528A1 (enExample) | 1973-06-01 |
| DK140257C (enExample) | 1982-07-05 |
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