CS257784B2 - Method of 16-phenoxy prostathrienic acid's derivatives production - Google Patents
Method of 16-phenoxy prostathrienic acid's derivatives production Download PDFInfo
- Publication number
- CS257784B2 CS257784B2 CS8410132A CS1013284A CS257784B2 CS 257784 B2 CS257784 B2 CS 257784B2 CS 8410132 A CS8410132 A CS 8410132A CS 1013284 A CS1013284 A CS 1013284A CS 257784 B2 CS257784 B2 CS 257784B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- yloxy
- tetrahydropyran
- acid
- cyclopent
- tert
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000002253 acid Substances 0.000 title claims description 77
- 150000001875 compounds Chemical class 0.000 claims abstract description 94
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 69
- 239000000203 mixture Substances 0.000 claims abstract description 42
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 19
- 239000001257 hydrogen Substances 0.000 claims abstract description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 10
- 231100000252 nontoxic Toxicity 0.000 claims abstract description 8
- 230000003000 nontoxic effect Effects 0.000 claims abstract description 8
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims abstract description 3
- -1 2-ethoxyethyl Chemical group 0.000 claims description 365
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 138
- 238000006243 chemical reaction Methods 0.000 claims description 97
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 84
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 62
- 229910052757 nitrogen Inorganic materials 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000002904 solvent Substances 0.000 claims description 29
- 229960000583 acetic acid Drugs 0.000 claims description 24
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 19
- 230000007062 hydrolysis Effects 0.000 claims description 17
- 238000006460 hydrolysis reaction Methods 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- 239000003960 organic solvent Substances 0.000 claims description 11
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 9
- 239000007858 starting material Substances 0.000 claims description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- 239000012362 glacial acetic acid Substances 0.000 claims description 6
- 150000002431 hydrogen Chemical group 0.000 claims description 6
- 239000012433 hydrogen halide Substances 0.000 claims description 6
- 229910000039 hydrogen halide Inorganic materials 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical group 0.000 claims description 4
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 4
- 125000001412 tetrahydropyranyl group Chemical group 0.000 claims description 4
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethyl mercaptane Natural products CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 claims description 3
- 150000008282 halocarbons Chemical class 0.000 claims description 3
- 230000003301 hydrolyzing effect Effects 0.000 claims description 3
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 claims description 3
- GXLYNHMRVSZRIC-XAGPSQNTSA-N 7-[(1s,2r)-2-(4-phenoxyoctyl)cyclopentyl]hepta-2,4,6-trienoic acid Chemical class C=1C=CC=CC=1OC(CCCC)CCC[C@H]1CCC[C@@H]1C=CC=CC=CC(O)=O GXLYNHMRVSZRIC-XAGPSQNTSA-N 0.000 claims description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 2
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 2
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 claims description 2
- 239000011260 aqueous acid Substances 0.000 claims 2
- 125000003259 prostaglandin group Chemical group 0.000 claims 2
- 239000000543 intermediate Substances 0.000 abstract description 13
- 125000001475 halogen functional group Chemical group 0.000 abstract 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 69
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 63
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 62
- 239000000243 solution Substances 0.000 description 55
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical class CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 39
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 37
- 239000002585 base Substances 0.000 description 35
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 30
- 150000002596 lactones Chemical group 0.000 description 25
- 150000001299 aldehydes Chemical class 0.000 description 23
- 239000011541 reaction mixture Substances 0.000 description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 22
- 238000003756 stirring Methods 0.000 description 21
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 239000003153 chemical reaction reagent Substances 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 15
- 239000000741 silica gel Substances 0.000 description 14
- 229910002027 silica gel Inorganic materials 0.000 description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 13
- 150000002148 esters Chemical class 0.000 description 13
- 150000002825 nitriles Chemical class 0.000 description 13
- 125000001424 substituent group Chemical group 0.000 description 12
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 11
- 150000004702 methyl esters Chemical class 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- 125000006239 protecting group Chemical group 0.000 description 11
- 230000003595 spectral effect Effects 0.000 description 11
- 239000012298 atmosphere Substances 0.000 description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 10
- TVDSBUOJIPERQY-UHFFFAOYSA-N prop-2-yn-1-ol Chemical compound OCC#C TVDSBUOJIPERQY-UHFFFAOYSA-N 0.000 description 10
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 10
- 239000010410 layer Substances 0.000 description 9
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 229910052938 sodium sulfate Inorganic materials 0.000 description 8
- 235000011152 sodium sulphate Nutrition 0.000 description 8
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 7
- 229910052783 alkali metal Inorganic materials 0.000 description 7
- 125000003046 allene group Chemical group 0.000 description 7
- 150000001361 allenes Chemical class 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 239000002798 polar solvent Substances 0.000 description 7
- 230000008707 rearrangement Effects 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- 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 6
- 125000003118 aryl group Chemical group 0.000 description 6
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 6
- SIPUZPBQZHNSDW-UHFFFAOYSA-N diisobutylaluminium hydride Substances CC(C)C[Al]CC(C)C SIPUZPBQZHNSDW-UHFFFAOYSA-N 0.000 description 6
- 239000000284 extract Substances 0.000 description 6
- 150000004678 hydrides Chemical class 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- YXHKONLOYHBTNS-UHFFFAOYSA-N Diazomethane Chemical compound C=[N+]=[N-] YXHKONLOYHBTNS-UHFFFAOYSA-N 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 229940117975 chromium trioxide Drugs 0.000 description 5
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 5
- 125000001033 ether group Chemical group 0.000 description 5
- 238000011905 homologation Methods 0.000 description 5
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
- 150000003254 radicals Chemical class 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 4
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 150000001351 alkyl iodides Chemical class 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012280 lithium aluminium hydride Substances 0.000 description 4
- 150000001247 metal acetylides Chemical class 0.000 description 4
- 229910052987 metal hydride Inorganic materials 0.000 description 4
- 150000004681 metal hydrides Chemical class 0.000 description 4
- 239000012044 organic layer Substances 0.000 description 4
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- LEHBURLTIWGHEM-UHFFFAOYSA-N pyridinium chlorochromate Chemical compound [O-][Cr](Cl)(=O)=O.C1=CC=[NH+]C=C1 LEHBURLTIWGHEM-UHFFFAOYSA-N 0.000 description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- NDQXKKFRNOPRDW-UHFFFAOYSA-N 1,1,1-triethoxyethane Chemical class CCOC(C)(OCC)OCC NDQXKKFRNOPRDW-UHFFFAOYSA-N 0.000 description 3
- SDXAWLJRERMRKF-UHFFFAOYSA-N 3,5-dimethyl-1h-pyrazole Chemical compound CC=1C=C(C)NN=1 SDXAWLJRERMRKF-UHFFFAOYSA-N 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- NTYJJOPFIAHURM-UHFFFAOYSA-N Histamine Chemical compound NCCC1=CN=CN1 NTYJJOPFIAHURM-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 3
- 241000700159 Rattus Species 0.000 description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 125000002877 alkyl aryl group Chemical group 0.000 description 3
- MCQRPQCQMGVWIQ-UHFFFAOYSA-N boron;methylsulfanylmethane Chemical compound [B].CSC MCQRPQCQMGVWIQ-UHFFFAOYSA-N 0.000 description 3
- 229960001948 caffeine Drugs 0.000 description 3
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 description 3
- 150000001733 carboxylic acid esters Chemical class 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000004587 chromatography analysis Methods 0.000 description 3
- 230000032050 esterification Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 210000004051 gastric juice Anatomy 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003495 polar organic solvent Substances 0.000 description 3
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- PWYJJQYPSILKKB-UHFFFAOYSA-N 2-(diethylamino)ethyl 2-(1-hydroxycyclopentyl)-2-phenylacetate;hydrochloride Chemical compound Cl.C1CCCC1(O)C(C(=O)OCCN(CC)CC)C1=CC=CC=C1 PWYJJQYPSILKKB-UHFFFAOYSA-N 0.000 description 2
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- OKKJLVBELUTLKV-MZCSYVLQSA-N Deuterated methanol Chemical compound [2H]OC([2H])([2H])[2H] OKKJLVBELUTLKV-MZCSYVLQSA-N 0.000 description 2
- XBPCUCUWBYBCDP-UHFFFAOYSA-N Dicyclohexylamine Chemical compound C1CCCCC1NC1CCCCC1 XBPCUCUWBYBCDP-UHFFFAOYSA-N 0.000 description 2
- BUDQDWGNQVEFAC-UHFFFAOYSA-N Dihydropyran Chemical group C1COC=CC1 BUDQDWGNQVEFAC-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical class CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000005907 alkyl ester group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000000010 aprotic solvent Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 2
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 description 2
- 229960001231 choline Drugs 0.000 description 2
- 239000012230 colorless oil Substances 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
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- FGTJJHCZWOVVNH-UHFFFAOYSA-N tert-butyl-[tert-butyl(dimethyl)silyl]oxy-dimethylsilane Chemical class CC(C)(C)[Si](C)(C)O[Si](C)(C)C(C)(C)C FGTJJHCZWOVVNH-UHFFFAOYSA-N 0.000 description 1
- BCNZYOJHNLTNEZ-UHFFFAOYSA-N tert-butyldimethylsilyl chloride Chemical compound CC(C)(C)[Si](C)(C)Cl BCNZYOJHNLTNEZ-UHFFFAOYSA-N 0.000 description 1
- 125000001981 tert-butyldimethylsilyl group Chemical group [H]C([H])([H])[Si]([H])(C([H])([H])[H])[*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000037 tert-butyldiphenylsilyl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1[Si]([H])([*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 229960004559 theobromine Drugs 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 229960000281 trometamol Drugs 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
- C07C405/0041—Analogues having the carboxyl group in the side-chains replaced by other functional groups containing nitrogen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
-
- 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
- C07C405/0016—Analogues having the carboxyl group in the side-chains replaced by other functional groups containing only hydroxy, etherified or esterified hydroxy groups
-
- 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
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS866008A CS257797B2 (en) | 1983-12-22 | 1986-08-14 | Method of (4,5,6r,8r)-methyl-9-oxo-11 alpha,15 alpha-dihydroxy-16 phenoxy-17,18,19,20-tetranorprosta-4,5,13(e)-trienoat's crystalline form preparation |
| CS866007A CS257796B2 (en) | 1983-12-22 | 1986-08-14 | Method of 16-phenoxyprostatrienic acid's derivatives production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/564,386 US4600785A (en) | 1983-12-22 | 1983-12-22 | Processes and intermediates for making 16-phenoxy and 16-substituted phenoxy-prostatrienoic acid derivatives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS1013284A2 CS1013284A2 (en) | 1987-09-17 |
| CS257784B2 true CS257784B2 (en) | 1988-06-15 |
Family
ID=24254259
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS8410132A CS257784B2 (en) | 1983-12-22 | 1984-12-20 | Method of 16-phenoxy prostathrienic acid's derivatives production |
| CS866007A CS600784A2 (en) | 1983-12-22 | 1984-12-20 | Zpusob vyroby derivatu kyseliny 16 fenoxyprostatrienove |
| CS866008A CS600884A2 (en) | 1983-12-22 | 1984-12-20 | Zpusob pripravy krystalcke formy (4,5,6r,8r) methyl 9 oxo 11 alfa, 15 alfa dihydroxy 16fenoxy 17,1g,19, 20 tetranorprosta 4,5,13(e) trienoatu |
| CS866007A CS257796B2 (en) | 1983-12-22 | 1986-08-14 | Method of 16-phenoxyprostatrienic acid's derivatives production |
| CS866008A CS257797B2 (en) | 1983-12-22 | 1986-08-14 | Method of (4,5,6r,8r)-methyl-9-oxo-11 alpha,15 alpha-dihydroxy-16 phenoxy-17,18,19,20-tetranorprosta-4,5,13(e)-trienoat's crystalline form preparation |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS866007A CS600784A2 (en) | 1983-12-22 | 1984-12-20 | Zpusob vyroby derivatu kyseliny 16 fenoxyprostatrienove |
| CS866008A CS600884A2 (en) | 1983-12-22 | 1984-12-20 | Zpusob pripravy krystalcke formy (4,5,6r,8r) methyl 9 oxo 11 alfa, 15 alfa dihydroxy 16fenoxy 17,1g,19, 20 tetranorprosta 4,5,13(e) trienoatu |
| CS866007A CS257796B2 (en) | 1983-12-22 | 1986-08-14 | Method of 16-phenoxyprostatrienic acid's derivatives production |
| CS866008A CS257797B2 (en) | 1983-12-22 | 1986-08-14 | Method of (4,5,6r,8r)-methyl-9-oxo-11 alpha,15 alpha-dihydroxy-16 phenoxy-17,18,19,20-tetranorprosta-4,5,13(e)-trienoat's crystalline form preparation |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US4600785A (hu) |
| EP (1) | EP0146935B1 (hu) |
| JP (3) | JPH0635431B2 (hu) |
| KR (1) | KR900000684B1 (hu) |
| CN (1) | CN85101840A (hu) |
| AR (1) | AR241015A1 (hu) |
| AT (1) | ATE50986T1 (hu) |
| AU (1) | AU585844B2 (hu) |
| CA (4) | CA1267892A (hu) |
| CS (5) | CS257784B2 (hu) |
| DD (2) | DD241254A5 (hu) |
| DE (1) | DE3481610D1 (hu) |
| DK (1) | DK617084A (hu) |
| ES (4) | ES8604389A1 (hu) |
| FI (1) | FI845069L (hu) |
| GR (1) | GR82514B (hu) |
| HU (2) | HU196732B (hu) |
| IL (1) | IL73881A (hu) |
| IN (1) | IN160437B (hu) |
| MX (2) | MX158754A (hu) |
| NO (1) | NO845148L (hu) |
| NZ (1) | NZ210667A (hu) |
| PH (2) | PH22893A (hu) |
| PL (2) | PL255723A1 (hu) |
| PT (1) | PT79720A (hu) |
| RO (2) | RO91666B (hu) |
| SU (3) | SU1473709A3 (hu) |
| ZA (1) | ZA849967B (hu) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4778904A (en) * | 1985-09-13 | 1988-10-18 | Syntex (U.S.A.) Inc. | Intermediates for making 16-phenoxy- and 16-(substituted phenoxy)-prostatrienoic acid derivatives |
| US4929740A (en) * | 1984-10-09 | 1990-05-29 | Syntex (U.S.A.) Inc. | Process for making 16-phenoxy- and 16-(substituted phenoxy)-prostatrienoic acid derivatives |
| NZ213749A (en) * | 1984-10-09 | 1989-01-06 | Syntex Inc | Ethers for use as intermediates in the preparation of 16-phenoxy and 16-substituted phenoxy-prostatrienoic acid derivatives |
| US4755531A (en) * | 1986-08-11 | 1988-07-05 | Syntex (U.S.A.) Inc. | Thiol esters of 4,5-allenyl prostaglandins and use thereof as antigastric secretion agents |
| US4689419A (en) * | 1986-11-14 | 1987-08-25 | G. D. Searle & Co. | Novel intermediate compounds in a process for producing 16-phenoxy- and 16-substituted phenoxy-9-keto-prostatrienoic acid derivatives |
| US4916238A (en) * | 1988-12-13 | 1990-04-10 | Syntex (U.S.A.) Inc. | Process for preparing allenic prostanoic acid derivatives |
| US5248788A (en) * | 1988-12-13 | 1993-09-28 | Syntex (U.S.A.) Inc. | Process for preparing allenic prostanoic acid derivatives |
| US5571936A (en) * | 1994-09-30 | 1996-11-05 | Korea Institute Of Science And Technology | Intermediates for the synthesis of 16-phenoxy-prostatrienoic acid derivatives and a preparing method thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4304907A (en) * | 1972-05-10 | 1981-12-08 | The Upjohn Company | Bicyclo lactone intermediates for prostaglandin analogs |
| JPS5434724B2 (hu) * | 1974-09-19 | 1979-10-29 | ||
| GB1590022A (en) * | 1976-08-23 | 1981-05-28 | Ono Pharmaceutical Co | Prostaglandin analogues |
| US4178457A (en) * | 1978-07-10 | 1979-12-11 | Syntex (U.S.A.) Inc. | (dl)-16-Phenoxy- and 16-substituted phenoxy-9-keto prostatrienoic acid derivatives and processes for the production thereof |
| DE3030477C2 (de) * | 1980-08-12 | 1986-10-16 | Dr. Willmar Schwabe GmbH & Co, 7500 Karlsruhe | Iridoid-Derivate, Verfahren zu ihrer Herstellung und deren Verwendung |
| US4389414A (en) * | 1981-05-11 | 1983-06-21 | Syntex (U.S.A.) Inc. | Prostaglandin compositions |
| AU1695783A (en) * | 1982-07-19 | 1984-01-26 | Syntex (U.S.A.) Inc. | Encapsulated pge type compositions |
| EP0170258B1 (en) * | 1984-07-31 | 1989-12-27 | Syntex (U.S.A.) Inc. | 11-substituted-16-phenoxy and 16-substituted phenoxy-prostatrienoic acid derivatives |
| US4618696A (en) * | 1984-07-31 | 1986-10-21 | Syntex (U.S.A.) Inc. | 9-oxo-15α-hydroxy-16-phenoxy and 16-substituted phenoxy 17,18,19,20-tetranorprosta-4,5,13,(E)-trienoates |
| NZ213749A (en) * | 1984-10-09 | 1989-01-06 | Syntex Inc | Ethers for use as intermediates in the preparation of 16-phenoxy and 16-substituted phenoxy-prostatrienoic acid derivatives |
-
1983
- 1983-12-22 US US06/564,386 patent/US4600785A/en not_active Expired - Fee Related
-
1984
- 1984-12-19 GR GR82514A patent/GR82514B/el unknown
- 1984-12-20 SU SU843828202A patent/SU1473709A3/ru active
- 1984-12-20 CS CS8410132A patent/CS257784B2/cs unknown
- 1984-12-20 PL PL25572384A patent/PL255723A1/xx unknown
- 1984-12-20 EP EP84115950A patent/EP0146935B1/en not_active Expired - Lifetime
- 1984-12-20 DD DD84271309A patent/DD241254A5/de not_active IP Right Cessation
- 1984-12-20 PH PH31623A patent/PH22893A/en unknown
- 1984-12-20 DK DK617084A patent/DK617084A/da not_active Application Discontinuation
- 1984-12-20 DD DD84294680A patent/DD249700A5/de unknown
- 1984-12-20 HU HU863355A patent/HU196732B/hu not_active IP Right Cessation
- 1984-12-20 CS CS866007A patent/CS600784A2/cs unknown
- 1984-12-20 KR KR1019840008147A patent/KR900000684B1/ko not_active IP Right Cessation
- 1984-12-20 JP JP59270571A patent/JPH0635431B2/ja not_active Expired - Lifetime
- 1984-12-20 ES ES538899A patent/ES8604389A1/es not_active Expired
- 1984-12-20 IN IN1020/MAS/84A patent/IN160437B/en unknown
- 1984-12-20 HU HU844754A patent/HU197302B/hu not_active IP Right Cessation
- 1984-12-20 RO RO116780A patent/RO91666B/ro unknown
- 1984-12-20 DE DE8484115950T patent/DE3481610D1/de not_active Expired - Fee Related
- 1984-12-20 ZA ZA849967A patent/ZA849967B/xx unknown
- 1984-12-20 IL IL73881A patent/IL73881A/xx unknown
- 1984-12-20 RO RO84124019A patent/RO94561A7/ro unknown
- 1984-12-20 FI FI845069A patent/FI845069L/fi not_active Application Discontinuation
- 1984-12-20 PL PL1984251088A patent/PL154330B1/pl unknown
- 1984-12-20 CS CS866008A patent/CS600884A2/cs unknown
- 1984-12-20 PT PT79720A patent/PT79720A/pt unknown
- 1984-12-20 NZ NZ210667A patent/NZ210667A/xx unknown
- 1984-12-20 CA CA000470699A patent/CA1267892A/en not_active Expired - Fee Related
- 1984-12-20 NO NO845148A patent/NO845148L/no unknown
- 1984-12-20 AR AR299047A patent/AR241015A1/es active
- 1984-12-20 AT AT84115950T patent/ATE50986T1/de not_active IP Right Cessation
- 1984-12-20 MX MX203853A patent/MX158754A/es unknown
- 1984-12-20 AU AU37120/84A patent/AU585844B2/en not_active Ceased
-
1985
- 1985-04-01 CN CN198585101840A patent/CN85101840A/zh active Pending
- 1985-09-24 SU SU853955489A patent/SU1342411A3/ru active
- 1985-09-24 SU SU853955491A patent/SU1356959A3/ru active
- 1985-10-31 ES ES548459A patent/ES8609234A1/es not_active Expired
- 1985-10-31 ES ES548453A patent/ES8607228A1/es not_active Expired
- 1985-10-31 ES ES548460A patent/ES8607229A1/es not_active Expired
-
1986
- 1986-05-09 PH PH33751A patent/PH23728A/en unknown
- 1986-08-14 CS CS866007A patent/CS257796B2/cs unknown
- 1986-08-14 CS CS866008A patent/CS257797B2/cs unknown
-
1988
- 1988-08-09 MX MX1259988A patent/MX12599A/es unknown
- 1988-08-11 CA CA000574538A patent/CA1283408C/en not_active Expired - Fee Related
- 1988-08-11 CA CA000574537A patent/CA1276931C/en not_active Expired - Fee Related
- 1988-08-12 CA CA000574703A patent/CA1283409C/en not_active Expired - Fee Related
-
1991
- 1991-12-19 JP JP3336862A patent/JPH0717597B2/ja not_active Expired - Lifetime
- 1991-12-19 JP JP3336857A patent/JPH0772170B2/ja not_active Expired - Lifetime
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