CA1100508A - Process of obtaining r,s-2,3,5,6-tetrahydro-6-phenyl- imidazo (2,1-b)-thiazole - Google Patents
Process of obtaining r,s-2,3,5,6-tetrahydro-6-phenyl- imidazo (2,1-b)-thiazoleInfo
- Publication number
- CA1100508A CA1100508A CA306,851A CA306851A CA1100508A CA 1100508 A CA1100508 A CA 1100508A CA 306851 A CA306851 A CA 306851A CA 1100508 A CA1100508 A CA 1100508A
- Authority
- CA
- Canada
- Prior art keywords
- phenyl
- thione
- formula
- process according
- imidazolidine
- 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 claims description 37
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 238000006210 cyclodehydration reaction Methods 0.000 claims abstract description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract 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 claims abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 4
- 239000011591 potassium Substances 0.000 claims abstract description 4
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 4
- 239000011734 sodium Substances 0.000 claims abstract description 4
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000000460 chlorine Substances 0.000 claims abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 13
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 241001061127 Thione Species 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229920000137 polyphosphoric acid Polymers 0.000 claims description 5
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- ZWZVWGITAAIFPS-UHFFFAOYSA-N thiophosgene Chemical compound ClC(Cl)=S ZWZVWGITAAIFPS-UHFFFAOYSA-N 0.000 claims description 3
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 2
- 241000284708 Sarcophaga alpha Species 0.000 claims 5
- 238000009835 boiling Methods 0.000 claims 2
- 235000011167 hydrochloric acid Nutrition 0.000 claims 2
- 231100000252 nontoxic Toxicity 0.000 claims 2
- 230000003000 nontoxic effect Effects 0.000 claims 2
- 150000007513 acids Chemical class 0.000 claims 1
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- YSTDSWVFMNLAHU-UHFFFAOYSA-N methoxymethanedithioic acid Chemical compound COC(S)=S YSTDSWVFMNLAHU-UHFFFAOYSA-N 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- HLFSDGLLUJUHTE-UHFFFAOYSA-N 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole Chemical compound N1=C2SCCN2CC1C1=CC=CC=C1 HLFSDGLLUJUHTE-UHFFFAOYSA-N 0.000 abstract 1
- HLFSDGLLUJUHTE-SNVBAGLBSA-N Levamisole Chemical compound C1([C@H]2CN3CCSC3=N2)=CC=CC=C1 HLFSDGLLUJUHTE-SNVBAGLBSA-N 0.000 description 12
- 229960001614 levamisole Drugs 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000005755 formation reaction Methods 0.000 description 7
- 229940073584 methylene chloride Drugs 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 5
- 239000012467 final product Substances 0.000 description 4
- 125000000623 heterocyclic group Chemical group 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- AHHFPJLJGRAYLF-UHFFFAOYSA-N 3,3a,4,5-tetrahydro-2h-imidazo[4,5-d][1,3]thiazole Chemical group N1CN=C2SCNC21 AHHFPJLJGRAYLF-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- MABUPVNEGYIKOI-UHFFFAOYSA-N 4-phenylimidazolidine-2-thione Chemical compound N1C(=S)NCC1C1=CC=CC=C1 MABUPVNEGYIKOI-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 238000007040 multi-step synthesis reaction Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- MZYFLFJVLFIAQD-UHFFFAOYSA-N 1-(2-hydroxyethyl)-4-phenylimidazolidine-2-thione Chemical compound N1C(=S)N(CCO)CC1C1=CC=CC=C1 MZYFLFJVLFIAQD-UHFFFAOYSA-N 0.000 description 1
- JDIIGWSSTNUWGK-UHFFFAOYSA-N 1h-imidazol-3-ium;chloride Chemical compound [Cl-].[NH2+]1C=CN=C1 JDIIGWSSTNUWGK-UHFFFAOYSA-N 0.000 description 1
- DYYKAVHVTLJEOH-UHFFFAOYSA-N 6-phenylimidazo[2,1-b][1,3]thiazole Chemical compound N1=C2SC=CN2C=C1C1=CC=CC=C1 DYYKAVHVTLJEOH-UHFFFAOYSA-N 0.000 description 1
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- 241000725101 Clea Species 0.000 description 1
- FKLJPTJMIBLJAV-UHFFFAOYSA-N Compound IV Chemical compound O1N=C(C)C=C1CCCCCCCOC1=CC=C(C=2OCCN=2)C=C1 FKLJPTJMIBLJAV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000000507 anthelmentic effect Effects 0.000 description 1
- 230000001430 anti-depressive effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- UFBBWLWUIISIPW-UHFFFAOYSA-N imidazo[2,1-b][1,3]thiazole Chemical compound C1=CSC2=NC=CN21 UFBBWLWUIISIPW-UHFFFAOYSA-N 0.000 description 1
- 230000004957 immunoregulator effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- -1 inorganic acid halides Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- AFRJJFRNGGLMDW-UHFFFAOYSA-N lithium amide Chemical compound [Li+].[NH2-] AFRJJFRNGGLMDW-UHFFFAOYSA-N 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000001613 neoplastic effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- LIGACIXOYTUXAW-UHFFFAOYSA-N phenacyl bromide Chemical compound BrCC(=O)C1=CC=CC=C1 LIGACIXOYTUXAW-UHFFFAOYSA-N 0.000 description 1
- JCBJVAJGLKENNC-UHFFFAOYSA-M potassium ethyl xanthate Chemical compound [K+].CCOC([S-])=S JCBJVAJGLKENNC-UHFFFAOYSA-M 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 125000001984 thiazolidinyl group Chemical group 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N thiocyanic acid Chemical class SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
- C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
- C07D513/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D233/30—Oxygen or sulfur atoms
- C07D233/42—Sulfur atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrrole Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BG3790777 | 1977-07-06 | ||
| BG37907 | 1977-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1100508A true CA1100508A (en) | 1981-05-05 |
Family
ID=3904004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA306,851A Expired CA1100508A (en) | 1977-07-06 | 1978-07-05 | Process of obtaining r,s-2,3,5,6-tetrahydro-6-phenyl- imidazo (2,1-b)-thiazole |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5414997A (it) |
| BE (1) | BE868744A (it) |
| CA (1) | CA1100508A (it) |
| DE (1) | DE2829822A1 (it) |
| ES (1) | ES471356A1 (it) |
| FR (1) | FR2396761A1 (it) |
| GB (1) | GB2002350B (it) |
| HU (1) | HU181927B (it) |
| IT (1) | IT1174324B (it) |
| NL (1) | NL7807266A (it) |
| SU (1) | SU922107A1 (it) |
| YU (1) | YU162278A (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5330897U (it) * | 1976-08-24 | 1978-03-16 | ||
| CA1135270A (en) * | 1978-11-06 | 1982-11-09 | American Cyanamid Company | Processes for the preparation of tetramisole and novel intermediates |
| EP0010851B1 (en) * | 1978-11-06 | 1982-08-04 | American Cyanamid Company | Process for the preparation of tetramisole |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3726894A (en) * | 1971-06-24 | 1973-04-10 | American Cyanamid Co | The compound 1-(2-hydroxyethyl)-4-phenyl-2-imidazolidinethione |
| US3865836A (en) * | 1972-12-08 | 1975-02-11 | Janssen Pharmaceutica Nv | Bicyclic imidazoles |
-
1978
- 1978-06-29 HU HU78PA1322A patent/HU181927B/hu unknown
- 1978-07-03 ES ES471356A patent/ES471356A1/es not_active Expired
- 1978-07-05 SU SU787770240A patent/SU922107A1/ru active
- 1978-07-05 CA CA306,851A patent/CA1100508A/en not_active Expired
- 1978-07-05 BE BE2057119A patent/BE868744A/xx not_active IP Right Cessation
- 1978-07-05 NL NL7807266A patent/NL7807266A/xx not_active Application Discontinuation
- 1978-07-05 JP JP8247278A patent/JPS5414997A/ja active Pending
- 1978-07-05 IT IT50170/78A patent/IT1174324B/it active
- 1978-07-06 YU YU01622/78A patent/YU162278A/xx unknown
- 1978-07-06 DE DE19782829822 patent/DE2829822A1/de not_active Ceased
- 1978-07-06 GB GB7829071A patent/GB2002350B/en not_active Expired
- 1978-07-06 FR FR7820188A patent/FR2396761A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE868744A (fr) | 1978-11-03 |
| JPS5414997A (en) | 1979-02-03 |
| DE2829822A1 (de) | 1979-02-01 |
| FR2396761B1 (it) | 1981-12-18 |
| NL7807266A (nl) | 1979-01-09 |
| ES471356A1 (es) | 1979-09-16 |
| FR2396761A1 (fr) | 1979-02-02 |
| IT1174324B (it) | 1987-07-01 |
| GB2002350B (en) | 1982-02-10 |
| IT7850170A0 (it) | 1978-07-05 |
| YU162278A (en) | 1982-08-31 |
| GB2002350A (en) | 1979-02-21 |
| SU922107A1 (ru) | 1982-04-23 |
| HU181927B (en) | 1983-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |