IL93262A - הכנת 3-תיולניל סולפונט אסטרים הפעילים מבחינה אופטית - Google Patents
הכנת 3-תיולניל סולפונט אסטרים הפעילים מבחינה אופטיתInfo
- Publication number
- IL93262A IL93262A IL9326290A IL9326290A IL93262A IL 93262 A IL93262 A IL 93262A IL 9326290 A IL9326290 A IL 9326290A IL 9326290 A IL9326290 A IL 9326290A IL 93262 A IL93262 A IL 93262A
- Authority
- IL
- Israel
- Prior art keywords
- formula
- optically active
- solvent
- reaction
- preparation
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title claims description 6
- RXABLVJXTGPVEN-UHFFFAOYSA-N thiolane-3-sulfonic acid Chemical class OS(=O)(=O)C1CCSC1 RXABLVJXTGPVEN-UHFFFAOYSA-N 0.000 title description 3
- 238000000034 method Methods 0.000 claims description 16
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 150000004678 hydrides Chemical class 0.000 claims description 9
- 239000012442 inert solvent Substances 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- 150000002009 diols Chemical class 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 150000003568 thioethers Chemical class 0.000 claims description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 150000003512 tertiary amines Chemical class 0.000 claims description 4
- 125000003944 tolyl group Chemical group 0.000 claims description 4
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 3
- 229910052977 alkali metal sulfide Inorganic materials 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 150000003460 sulfonic acids Chemical class 0.000 claims description 2
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims 1
- 239000000047 product Substances 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 7
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000000543 intermediate Substances 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 5
- ZAJNMXDBJKCCAT-RXMQYKEDSA-N ethyl (3r)-4-chloro-3-hydroxybutanoate Chemical compound CCOC(=O)C[C@@H](O)CCl ZAJNMXDBJKCCAT-RXMQYKEDSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- -1 alkyl 4-chloro-3R-hydroxybutyrate Chemical compound 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007363 ring formation reaction Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- NPDACUSDTOMAMK-UHFFFAOYSA-N 4-Chlorotoluene Chemical compound CC1=CC=C(Cl)C=C1 NPDACUSDTOMAMK-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- FFEARJCKVFRZRR-SCSAIBSYSA-N D-methionine Chemical compound CSCC[C@@H](N)C(O)=O FFEARJCKVFRZRR-SCSAIBSYSA-N 0.000 description 2
- 229930182818 D-methionine Natural products 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- PFKFTWBEEFSNDU-UHFFFAOYSA-N carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 2
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical compound ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 2
- IQDXPPKWNPMHJI-SCSAIBSYSA-N (3r)-4-chlorobutane-1,3-diol Chemical compound OCC[C@@H](O)CCl IQDXPPKWNPMHJI-SCSAIBSYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-M 2-methylbenzenesulfonate Chemical compound CC1=CC=CC=C1S([O-])(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-M 0.000 description 1
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 1
- 239000012448 Lithium borohydride Substances 0.000 description 1
- 239000012425 OXONE® Substances 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- CMCJGROFOLESTP-RXMQYKEDSA-N [(3r)-thiolan-3-yl] methanesulfonate Chemical compound CS(=O)(=O)O[C@@H]1CCSC1 CMCJGROFOLESTP-RXMQYKEDSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 1
- OHLRLMWUFVDREV-UHFFFAOYSA-N ethyl 4-chloro-3-oxobutanoate Chemical compound CCOC(=O)CC(=O)CCl OHLRLMWUFVDREV-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- MLSKXPOBNQFGHW-UHFFFAOYSA-N methoxy(dioxido)borane Chemical compound COB([O-])[O-] MLSKXPOBNQFGHW-UHFFFAOYSA-N 0.000 description 1
- WMRINGSAVOPXTE-SCSAIBSYSA-N methyl (3r)-4-chloro-3-hydroxybutanoate Chemical compound COC(=O)C[C@@H](O)CCl WMRINGSAVOPXTE-SCSAIBSYSA-N 0.000 description 1
- 238000007040 multi-step synthesis reaction Methods 0.000 description 1
- PSHKMPUSSFXUIA-UHFFFAOYSA-N n,n-dimethylpyridin-2-amine Chemical compound CN(C)C1=CC=CC=N1 PSHKMPUSSFXUIA-UHFFFAOYSA-N 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- HHXMXAQDOUCLDN-RXMQYKEDSA-N penem Chemical compound S1C=CN2C(=O)C[C@H]21 HHXMXAQDOUCLDN-RXMQYKEDSA-N 0.000 description 1
- 150000002961 penems Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- OKBMCNHOEMXPTM-UHFFFAOYSA-M potassium peroxymonosulfate Chemical compound [K+].OOS([O-])(=O)=O OKBMCNHOEMXPTM-UHFFFAOYSA-M 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- 229940048181 sodium sulfide nonahydrate Drugs 0.000 description 1
- WMDLZMCDBSJMTM-UHFFFAOYSA-M sodium;sulfanide;nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Na+].[SH-] WMDLZMCDBSJMTM-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005694 sulfonylation reaction Methods 0.000 description 1
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 1
- RAOIDOHSFRTOEL-UHFFFAOYSA-N tetrahydrothiophene Chemical compound C1CCSC1 RAOIDOHSFRTOEL-UHFFFAOYSA-N 0.000 description 1
- 125000001166 thiolanyl group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/14—Radicals substituted by singly bound hetero atoms other than halogen
- C07D333/16—Radicals substituted by singly bound hetero atoms other than halogen by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/63—Esters of sulfonic acids
- C07C309/64—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms
- C07C309/65—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of a saturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/02—Sulfonic acids having sulfo groups bound to acyclic carbon atoms
- C07C309/03—Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
- C07C309/06—Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing halogen atoms, or nitro or nitroso groups bound to the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/63—Esters of sulfonic acids
- C07C309/72—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/73—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom 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
- C07D333/30—Hetero atoms other than halogen
- C07D333/32—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/308,868 US4864046A (en) | 1989-02-09 | 1989-02-09 | Process for optically active 3-thiolanyl sulfonate esters |
| US07/378,888 US4921972A (en) | 1989-05-17 | 1989-07-12 | Process for optically active 3-thiolanyl sulfonate esters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL93262A0 IL93262A0 (en) | 1990-11-29 |
| IL93262A true IL93262A (he) | 1994-08-26 |
Family
ID=26976494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9326290A IL93262A (he) | 1989-02-09 | 1990-02-02 | הכנת 3-תיולניל סולפונט אסטרים הפעילים מבחינה אופטית |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0382418A3 (he) |
| JP (1) | JPH0643355B2 (he) |
| KR (1) | KR920010181B1 (he) |
| AU (1) | AU609348B2 (he) |
| CA (1) | CA2009457A1 (he) |
| DK (1) | DK0382418T3 (he) |
| FI (1) | FI92583C (he) |
| HU (1) | HU203545B (he) |
| IL (1) | IL93262A (he) |
| MY (1) | MY105176A (he) |
| NO (1) | NO173443C (he) |
| NZ (1) | NZ232425A (he) |
| PT (1) | PT93075A (he) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005314374A (ja) * | 2004-03-31 | 2005-11-10 | Daiso Co Ltd | ３−ヒドロキシチオランの新規製法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5013729A (en) * | 1987-05-11 | 1991-05-07 | Pfizer Inc. | Diastereomeric 5R,6S-6-(1R-hydroxyethyl)-2-(cis-1-oxo-3-thiolanylthio)-2-penem-3-carboxylic acids |
| US4992543A (en) * | 1988-10-19 | 1991-02-12 | Pfizer Inc. | Penem derivatives |
| US4864046A (en) * | 1989-02-09 | 1989-09-05 | Pfizer Inc. | Process for optically active 3-thiolanyl sulfonate esters |
-
1990
- 1990-02-02 DK DK90301095.7T patent/DK0382418T3/da active
- 1990-02-02 EP EP19900301095 patent/EP0382418A3/en not_active Withdrawn
- 1990-02-02 IL IL9326290A patent/IL93262A/he not_active IP Right Cessation
- 1990-02-07 PT PT93075A patent/PT93075A/pt not_active Application Discontinuation
- 1990-02-07 CA CA002009457A patent/CA2009457A1/en not_active Abandoned
- 1990-02-07 MY MYPI90000192A patent/MY105176A/en unknown
- 1990-02-08 FI FI900626A patent/FI92583C/fi not_active IP Right Cessation
- 1990-02-08 KR KR1019900001506A patent/KR920010181B1/ko not_active Expired
- 1990-02-08 HU HU90727A patent/HU203545B/hu not_active IP Right Cessation
- 1990-02-08 NO NO900603A patent/NO173443C/no unknown
- 1990-02-08 AU AU49378/90A patent/AU609348B2/en not_active Ceased
- 1990-02-08 NZ NZ232425A patent/NZ232425A/en unknown
- 1990-02-09 JP JP2031313A patent/JPH0643355B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| HUT52768A (en) | 1990-08-28 |
| FI900626A0 (fi) | 1990-02-08 |
| DK0382418T3 (da) | 1991-10-23 |
| HU203545B (en) | 1991-08-28 |
| KR900012923A (ko) | 1990-09-03 |
| NO173443C (no) | 1993-12-15 |
| FI92583B (fi) | 1994-08-31 |
| NO173443B (no) | 1993-09-06 |
| PT93075A (pt) | 1990-08-31 |
| NO900603L (no) | 1990-08-10 |
| CA2009457A1 (en) | 1990-08-09 |
| NZ232425A (en) | 1991-05-28 |
| MY105176A (en) | 1994-08-30 |
| EP0382418A2 (en) | 1990-08-16 |
| JPH02240077A (ja) | 1990-09-25 |
| NO900603D0 (no) | 1990-02-08 |
| IL93262A0 (en) | 1990-11-29 |
| KR920010181B1 (ko) | 1992-11-19 |
| AU609348B2 (en) | 1991-04-26 |
| EP0382418A3 (en) | 1991-10-23 |
| HU900727D0 (en) | 1990-04-28 |
| JPH0643355B2 (ja) | 1994-06-08 |
| FI92583C (fi) | 1994-12-12 |
| AU4937890A (en) | 1990-08-16 |
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