IL50310A - Dimethyl ketophosphonates - Google Patents
Dimethyl ketophosphonatesInfo
- Publication number
- IL50310A IL50310A IL50310A IL5031073A IL50310A IL 50310 A IL50310 A IL 50310A IL 50310 A IL50310 A IL 50310A IL 5031073 A IL5031073 A IL 5031073A IL 50310 A IL50310 A IL 50310A
- Authority
- IL
- Israel
- Prior art keywords
- dimethyl
- oxo
- indanyl
- minutes
- solution
- Prior art date
Links
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 title description 11
- -1 5,6 - dimethoxy- 2 - indanyl Chemical group 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims description 6
- 125000004135 2-norbornyl group Chemical group [H]C1([H])C([H])([H])C2([H])C([H])([H])C1([H])C([H])([H])C2([H])* 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 229940094443 oxytocics prostaglandins Drugs 0.000 abstract description 2
- 150000003180 prostaglandins Chemical class 0.000 abstract description 2
- 239000007983 Tris buffer Substances 0.000 abstract 2
- YCXVDEMHEKQQCI-UHFFFAOYSA-N chloro-dimethyl-propan-2-ylsilane Chemical compound CC(C)[Si](C)(C)Cl YCXVDEMHEKQQCI-UHFFFAOYSA-N 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 27
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 27
- 229910001868 water Inorganic materials 0.000 description 25
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 16
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 16
- 239000008346 aqueous phase Substances 0.000 description 9
- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-UHFFFAOYSA-N 0.000 description 9
- 239000000284 extract Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000012299 nitrogen atmosphere Substances 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 8
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- GATNOFPXSDHULC-UHFFFAOYSA-N ethylphosphonic acid Chemical compound CCP(O)(O)=O GATNOFPXSDHULC-UHFFFAOYSA-N 0.000 description 3
- INDCQOTULGRLGI-UHFFFAOYSA-N 1-(2,3-dihydro-1h-inden-2-yl)-2-dimethoxyphosphorylethanone Chemical compound C1=CC=C2CC(C(=O)CP(=O)(OC)OC)CC2=C1 INDCQOTULGRLGI-UHFFFAOYSA-N 0.000 description 2
- WXJAIFNXTBIJBL-UHFFFAOYSA-N 1-cyclodecyl-2-dimethoxyphosphorylethanone Chemical compound COP(=O)(OC)CC(=O)C1CCCCCCCCC1 WXJAIFNXTBIJBL-UHFFFAOYSA-N 0.000 description 2
- XVKSUXNSSZCHMC-UHFFFAOYSA-N 6-cyclopropyl-1-dimethoxyphosphorylhexan-2-one Chemical compound COP(=O)(OC)CC(=O)CCCCC1CC1 XVKSUXNSSZCHMC-UHFFFAOYSA-N 0.000 description 2
- FCGTVTLVUZWZJR-UHFFFAOYSA-N COP(=O)(OC)CC(=O)CCCCCC1CCCC1 Chemical compound COP(=O)(OC)CC(=O)CCCCCC1CCCC1 FCGTVTLVUZWZJR-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- VDLWTJCSPSUGOA-UHFFFAOYSA-N 1,2,3,4-tetrahydronaphthalene-1-carboxylic acid Chemical compound C1=CC=C2C(C(=O)O)CCCC2=C1 VDLWTJCSPSUGOA-UHFFFAOYSA-N 0.000 description 1
- JZFOBTPKPKPPSX-UHFFFAOYSA-N 1-(2,3-dihydro-1h-inden-2-yl)-3-dimethoxyphosphorylpropan-2-one Chemical compound C1=CC=C2CC(CC(=O)CP(=O)(OC)OC)CC2=C1 JZFOBTPKPKPPSX-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000001743 benzylic group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- BWGYNDFMGAWDHP-UHFFFAOYSA-N ethyl 2,3-dihydro-1h-indene-2-carboxylate Chemical compound C1=CC=C2CC(C(=O)OCC)CC2=C1 BWGYNDFMGAWDHP-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- RMOPJLIMRSAIMD-UHFFFAOYSA-N methyl 2,3-dihydro-1h-indene-2-carboxylate Chemical compound C1=CC=C2CC(C(=O)OC)CC2=C1 RMOPJLIMRSAIMD-UHFFFAOYSA-N 0.000 description 1
- ITYDRDKUXNKSAY-UHFFFAOYSA-N methyl 2-(2,3-dihydro-1h-inden-2-yl)acetate Chemical compound C1=CC=C2CC(CC(=O)OC)CC2=C1 ITYDRDKUXNKSAY-UHFFFAOYSA-N 0.000 description 1
- AEMFANCHNNSEQS-UHFFFAOYSA-N methyl 5-cyclopropylpentanoate Chemical compound COC(=O)CCCCC1CC1 AEMFANCHNNSEQS-UHFFFAOYSA-N 0.000 description 1
- ASKFJDVCNKIXFI-UHFFFAOYSA-N methyl 6-cyclopentylhexanoate Chemical compound COC(=O)CCCCCC1CCCC1 ASKFJDVCNKIXFI-UHFFFAOYSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- YACKEPLHDIMKIO-UHFFFAOYSA-N methylphosphonic acid Chemical compound CP(O)(O)=O YACKEPLHDIMKIO-UHFFFAOYSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
- C07D307/935—Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
- C07C405/0008—Analogues having the carboxyl group in the side-chains replaced by other functional groups
- C07C405/0025—Analogues having the carboxyl group in the side-chains replaced by other functional groups containing keto groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/30—Compounds having groups
- C07C43/315—Compounds having groups containing oxygen atoms singly bound to carbon atoms not being acetal carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C62/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C62/30—Unsaturated compounds
- C07C62/34—Unsaturated compounds containing ether groups, groups, groups, or groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen 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
- C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen 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 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
- C07D309/10—Oxygen atoms
- C07D309/12—Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
-
- 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
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/40—Esters thereof
- C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
- C07F9/4018—Esters of cycloaliphatic acids
-
- 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
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/54—Quaternary phosphonium compounds
- C07F9/5407—Acyclic saturated phosphonium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Animal Behavior & Ethology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30475072A | 1972-11-08 | 1972-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL50310A true IL50310A (en) | 1977-08-31 |
Family
ID=23177829
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL50310A IL50310A (en) | 1972-11-08 | 1973-11-05 | Dimethyl ketophosphonates |
| IL43571A IL43571A (en) | 1972-11-08 | 1973-11-05 | Omega-pentanorprostaglandins and their preparation |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL43571A IL43571A (en) | 1972-11-08 | 1973-11-05 | Omega-pentanorprostaglandins and their preparation |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS5714347B2 (xx) |
| AT (1) | AT345999B (xx) |
| BE (1) | BE807046A (xx) |
| CA (1) | CA1033727A (xx) |
| CH (1) | CH593930A5 (xx) |
| DE (1) | DE2355731C3 (xx) |
| DK (1) | DK143499C (xx) |
| ES (3) | ES420386A1 (xx) |
| FI (1) | FI58912C (xx) |
| FR (3) | FR2205338B1 (xx) |
| GB (1) | GB1456838A (xx) |
| IE (1) | IE40043B1 (xx) |
| IL (2) | IL50310A (xx) |
| IN (1) | IN139265B (xx) |
| NL (1) | NL7315307A (xx) |
| NO (2) | NO143663C (xx) |
| PH (2) | PH13261A (xx) |
| SE (4) | SE412229B (xx) |
| SU (2) | SU667131A3 (xx) |
| ZA (1) | ZA738595B (xx) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1431561A (en) * | 1973-01-31 | 1976-04-07 | Ici Ltd | Cyclopentane derivatives |
| US3929862A (en) * | 1974-01-08 | 1975-12-30 | Upjohn Co | Substituted tolylesters of PGF{HD 2{B {60 |
| JPS5823393B2 (ja) * | 1974-03-14 | 1983-05-14 | オノヤクヒンコウギヨウ カブシキガイシヤ | プロスタグランジンルイジカゴウブツ ノ セイゾウホウホウ |
| US4028396A (en) * | 1975-07-02 | 1977-06-07 | American Cyanamid Company | 16,16-Spirocycloalkyl prostaglandin derivatives |
| NZ183136A (en) * | 1976-02-11 | 1978-11-13 | Miles Lab | Monospiroalkyl derivatives of prostaclandis and pharmaceutical compositions |
| US4074063A (en) * | 1976-02-11 | 1978-02-14 | Miles Laboratories, Inc. | Bicycloalkyl derivatives of prostaglandins |
| US4404372A (en) * | 1977-06-13 | 1983-09-13 | Pfizer Inc. | 15-Substituted-ω-pentanorprostaglandin derivatives |
| DE2753995A1 (de) * | 1977-12-03 | 1979-06-07 | Bayer Ag | Neue bicycloalkenyl-prostaglandine und verfahren zu ihrer herstellung |
| TR200000671T2 (tr) * | 1997-09-09 | 2000-07-21 | The Procter & Gamble Company | FP agonistleri olarak yararlı aromatik C16-C20-ikameli tetrahidro prostaglandinler. |
| SK3382000A3 (en) * | 1997-09-09 | 2000-10-09 | Procter & Gamble | A compound having structure of aromatic substituted prostaglandins and its use for the treatment of bone disorders |
| SK3362000A3 (en) * | 1997-09-09 | 2000-10-09 | Procter & Gamble | A compound analogous to prostaglandin f and use thereof |
| NZ513825A (en) | 1999-03-05 | 2001-09-28 | Procter & Gamble | C 16 unsaturated FP-selective prostaglandins analogs |
| US20020037914A1 (en) | 2000-03-31 | 2002-03-28 | Delong Mitchell Anthony | Compositions and methods for treating hair loss using C16-C20 aromatic tetrahydro prostaglandins |
| US20020172693A1 (en) | 2000-03-31 | 2002-11-21 | Delong Michell Anthony | Compositions and methods for treating hair loss using non-naturally occurring prostaglandins |
| US20020013294A1 (en) | 2000-03-31 | 2002-01-31 | Delong Mitchell Anthony | Cosmetic and pharmaceutical compositions and methods using 2-decarboxy-2-phosphinico derivatives |
| DE502007000840D1 (de) * | 2007-11-28 | 2009-07-16 | Bauer Maschinen Gmbh | Winde |
| US8722739B2 (en) | 2008-10-29 | 2014-05-13 | Novaer Holdings, Inc. | Amino acid salts of prostaglandins |
| US8623918B2 (en) | 2008-10-29 | 2014-01-07 | Novaer Holdings, Inc. | Amino acid salts of prostaglandins |
| US20230097470A1 (en) * | 2021-08-23 | 2023-03-30 | Chirogate International Inc. | Processes and intermediates for the preparations of carboprost and carboprost tromethamine, and carboprost tromethamine prepared therefrom |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4864073A (xx) * | 1971-04-30 | 1973-09-05 |
-
1973
- 1973-11-05 IL IL50310A patent/IL50310A/en unknown
- 1973-11-05 IL IL43571A patent/IL43571A/en unknown
- 1973-11-06 SE SE7315074A patent/SE412229B/xx unknown
- 1973-11-08 CH CH1570773A patent/CH593930A5/xx not_active IP Right Cessation
- 1973-11-08 FI FI3455/73A patent/FI58912C/fi active
- 1973-11-08 NL NL7315307A patent/NL7315307A/xx not_active Application Discontinuation
- 1973-11-08 ZA ZA738595A patent/ZA738595B/xx unknown
- 1973-11-08 DK DK603373A patent/DK143499C/da active
- 1973-11-08 AT AT941073A patent/AT345999B/de not_active IP Right Cessation
- 1973-11-08 DE DE2355731A patent/DE2355731C3/de not_active Expired
- 1973-11-08 BE BE1005488A patent/BE807046A/xx unknown
- 1973-11-08 GB GB5199773A patent/GB1456838A/en not_active Expired
- 1973-11-08 IE IE2014/73A patent/IE40043B1/xx unknown
- 1973-11-08 NO NO4294/73A patent/NO143663C/no unknown
- 1973-11-08 FR FR7339758A patent/FR2205338B1/fr not_active Expired
- 1973-11-08 PH PH15197A patent/PH13261A/en unknown
- 1973-11-08 JP JP12584373A patent/JPS5714347B2/ja not_active Expired
- 1973-11-08 CA CA185,366A patent/CA1033727A/en not_active Expired
- 1973-11-09 ES ES420386A patent/ES420386A1/es not_active Expired
- 1973-11-23 IN IN2583/CAL/73A patent/IN139265B/en unknown
- 1973-12-07 SU SU731978255A patent/SU667131A3/ru active
-
1974
- 1974-10-07 NO NO743616A patent/NO144385C/no unknown
-
1975
- 1975-12-23 SU SU752182652A patent/SU704456A3/ru active
-
1976
- 1976-01-16 ES ES444398A patent/ES444398A1/es not_active Expired
- 1976-01-29 FR FR7602433A patent/FR2286147A1/fr active Granted
- 1976-01-29 FR FR7602434A patent/FR2291200A1/fr active Granted
- 1976-05-25 PH PH18469A patent/PH13320A/en unknown
- 1976-11-03 SE SE7612262A patent/SE7612262L/xx not_active Application Discontinuation
- 1976-11-03 SE SE7612261A patent/SE7612261L/xx unknown
-
1977
- 1977-02-10 SE SE7701523A patent/SE417957B/xx unknown
- 1977-11-25 ES ES456279A patent/ES456279A1/es not_active Expired
Also Published As
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