JPS62215574A - ５（３）−ヒドロキシピラゾ−ル及びその製造法 - Google Patents
５（３）−ヒドロキシピラゾ−ル及びその製造法Info
- Publication number
- JPS62215574A JPS62215574A JP62050456A JP5045687A JPS62215574A JP S62215574 A JPS62215574 A JP S62215574A JP 62050456 A JP62050456 A JP 62050456A JP 5045687 A JP5045687 A JP 5045687A JP S62215574 A JPS62215574 A JP S62215574A
- Authority
- JP
- Japan
- Prior art keywords
- hydroxypyrazole
- formula
- halogen
- chloro
- formulas
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 30
- XBYRMPXUBGMOJC-UHFFFAOYSA-N 1,2-dihydropyrazol-3-one Chemical compound OC=1C=CNN=1 XBYRMPXUBGMOJC-UHFFFAOYSA-N 0.000 claims description 16
- 229910052736 halogen Inorganic materials 0.000 claims description 14
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
- 150000002367 halogens Chemical class 0.000 claims description 9
- -1 1-methyl-5-chloro-5-hydroxypyrazole Chemical compound 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- 150000001447 alkali salts Chemical class 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 125000000304 alkynyl group Chemical group 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- BOGSOFADOWIECK-UHFFFAOYSA-N [N].C=1C=NNC=1 Chemical group [N].C=1C=NNC=1 BOGSOFADOWIECK-UHFFFAOYSA-N 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 125000004429 atom Chemical group 0.000 claims description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 10
- 125000005843 halogen group Chemical group 0.000 claims 4
- XZADCKOQSTXYSC-UHFFFAOYSA-N 3-chloro-2-(4-nitrophenyl)-1h-pyrazol-5-one Chemical compound N1=C(O)C=C(Cl)N1C1=CC=C([N+]([O-])=O)C=C1 XZADCKOQSTXYSC-UHFFFAOYSA-N 0.000 claims 1
- CPTNHQNQINTDNG-UHFFFAOYSA-N CCN1N=C(Cl)C=C1O Chemical compound CCN1N=C(Cl)C=C1O CPTNHQNQINTDNG-UHFFFAOYSA-N 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- BEYRFIRGLRBHHX-UHFFFAOYSA-N OC1=CC(Cl)=NN1CC1=CC=CC=C1 Chemical compound OC1=CC(Cl)=NN1CC1=CC=CC=C1 BEYRFIRGLRBHHX-UHFFFAOYSA-N 0.000 claims 1
- FMDNAUOGILFSLQ-UHFFFAOYSA-N OC1=CC(Cl)=NN1CCC#N Chemical compound OC1=CC(Cl)=NN1CCC#N FMDNAUOGILFSLQ-UHFFFAOYSA-N 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 125000001188 haloalkyl group Chemical group 0.000 claims 1
- 239000002798 polar solvent Substances 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 10
- 239000006185 dispersion Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 241000238631 Hexapoda Species 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000921 elemental analysis Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 150000003217 pyrazoles Chemical class 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 241000238876 Acari Species 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 241000227653 Lycopersicon Species 0.000 description 3
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 3
- 241000244206 Nematoda Species 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 150000003580 thiophosphoric acid esters Chemical class 0.000 description 3
- VAWGHWUJVWHUKW-UHFFFAOYSA-N 3,3-dichloroprop-2-enoyl chloride Chemical compound ClC(Cl)=CC(Cl)=O VAWGHWUJVWHUKW-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000026030 halogenation Effects 0.000 description 2
- 238000005658 halogenation reaction Methods 0.000 description 2
- 150000002429 hydrazines Chemical class 0.000 description 2
- 239000002917 insecticide Substances 0.000 description 2
- 230000001418 larval effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical compound O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 125000006701 (C1-C7) alkyl group Chemical group 0.000 description 1
- XBJYJEIXHKZWOO-UHFFFAOYSA-N 5-chloro-1,2-dihydropyrazol-3-one Chemical compound OC1=CC(Cl)=NN1 XBJYJEIXHKZWOO-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 235000011299 Brassica oleracea var botrytis Nutrition 0.000 description 1
- 240000003259 Brassica oleracea var. botrytis Species 0.000 description 1
- AQHAWPBZGWMFAS-UHFFFAOYSA-N CC(C)N1N=C(Cl)C=C1O Chemical compound CC(C)N1N=C(Cl)C=C1O AQHAWPBZGWMFAS-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000254173 Coleoptera Species 0.000 description 1
- 241000256113 Culicidae Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 206010061217 Infestation Diseases 0.000 description 1
- 241000255777 Lepidoptera Species 0.000 description 1
- 241000258915 Leptinotarsa Species 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 241001143352 Meloidogyne Species 0.000 description 1
- 241000257229 Musca <genus> Species 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- AVKHCKXGKPAGEI-UHFFFAOYSA-N Phenicarbazide Chemical compound NC(=O)NNC1=CC=CC=C1 AVKHCKXGKPAGEI-UHFFFAOYSA-N 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- RYYWUUFWQRZTIU-UHFFFAOYSA-N Thiophosphoric acid Chemical compound OP(O)(S)=O RYYWUUFWQRZTIU-UHFFFAOYSA-N 0.000 description 1
- 230000000895 acaricidal effect Effects 0.000 description 1
- 239000000642 acaricide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- HFBMWMNUJJDEQZ-UHFFFAOYSA-N acryloyl chloride Chemical compound ClC(=O)C=C HFBMWMNUJJDEQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 125000002587 enol group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- GLEPDFWPHDUTMJ-UHFFFAOYSA-N ethyl n-(propan-2-ylamino)carbamate Chemical compound CCOC(=O)NNC(C)C GLEPDFWPHDUTMJ-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- HDZGCSFEDULWCS-UHFFFAOYSA-N monomethylhydrazine Chemical compound CNN HDZGCSFEDULWCS-UHFFFAOYSA-N 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000001069 nematicidal effect Effects 0.000 description 1
- 239000005645 nematicide Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or 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
- C07D231/18—One oxygen or sulfur atom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having alternatively specified atoms bound to the phosphorus atom and not covered by a single one of groups A01N57/10, A01N57/18, A01N57/26, A01N57/34
- A01N57/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having alternatively specified atoms bound to the phosphorus atom and not covered by a single one of groups A01N57/10, A01N57/18, A01N57/26, A01N57/34 containing heterocyclic radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
- C07F9/6509—Six-membered rings
- C07F9/650905—Six-membered rings having the nitrogen atoms in the positions 1 and 2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Molecular Biology (AREA)
- Agronomy & Crop Science (AREA)
- Biochemistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT31190/77A IT1090364B (it) | 1977-12-23 | 1977-12-23 | Esteri fosforici e tiofosforici di 5(3) idrossipirazoli sostituiti in posizione 3(5) insetticidi |
| IT31191A/77 | 1977-12-23 | ||
| IT31190A/77 | 1977-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62215574A true JPS62215574A (ja) | 1987-09-22 |
| JPH0339504B2 JPH0339504B2 (es) | 1991-06-14 |
Family
ID=11233252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62050456A Granted JPS62215574A (ja) | 1977-12-23 | 1987-03-06 | ５（３）−ヒドロキシピラゾ−ル及びその製造法 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS62215574A (es) |
| CU (1) | CU34999A (es) |
| FR (1) | FR2412557B1 (es) |
| IT (1) | IT1090364B (es) |
| TR (1) | TR20422A (es) |
| ZA (1) | ZA787181B (es) |
| ZM (1) | ZM10778A1 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4315384A1 (de) * | 1992-09-03 | 1994-03-10 | Bayer Ag | Phosphoryloxypyrazolderivate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE792905A (fr) * | 1971-12-18 | 1973-06-18 | Basf Ag | Esters d'acides dialkylthionophosphoriques |
| US3978077A (en) * | 1973-04-17 | 1976-08-31 | Bayer Aktiengesellschaft | Pyrazol-5-ones |
| FR2310353A1 (fr) * | 1975-05-07 | 1976-12-03 | Roussel Uclaf | Nouveaux derives du pyrazole a activite pesticide, leur procede de preparation et compositions les renfermant |
| DE2643564C2 (de) * | 1976-09-28 | 1984-09-20 | Bayer Ag, 5090 Leverkusen | Alkoxymethyl- oder alkylthiomethylsubstituierte Pyrazolyl-(thiono) (thiol)-phosphor(phosphon)-säureester, Verfahren zu ihrer Herstellung und ihre Verwendung als Insektizide und Akarizide |
-
1977
- 1977-12-23 IT IT31190/77A patent/IT1090364B/it active
-
1978
- 1978-12-15 CU CU34999A patent/CU34999A/es unknown
- 1978-12-20 TR TR20422A patent/TR20422A/xx unknown
- 1978-12-21 ZA ZA00787181A patent/ZA787181B/xx unknown
- 1978-12-21 FR FR7835896A patent/FR2412557B1/fr not_active Expired
- 1978-12-22 ZM ZM107/78A patent/ZM10778A1/xx unknown
-
1987
- 1987-03-06 JP JP62050456A patent/JPS62215574A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2412557B1 (fr) | 1985-10-25 |
| CU34999A (en) | 1981-12-04 |
| JPH0339504B2 (es) | 1991-06-14 |
| IT1090364B (it) | 1985-06-26 |
| TR20422A (tr) | 1981-06-26 |
| FR2412557A1 (fr) | 1979-07-20 |
| ZA787181B (en) | 1979-12-27 |
| ZM10778A1 (en) | 1980-09-22 |
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