FI90761B - Reduktion av karboxylsyraestrar - Google Patents
Reduktion av karboxylsyraestrar Download PDFInfo
- Publication number
- FI90761B FI90761B FI881959A FI881959A FI90761B FI 90761 B FI90761 B FI 90761B FI 881959 A FI881959 A FI 881959A FI 881959 A FI881959 A FI 881959A FI 90761 B FI90761 B FI 90761B
- Authority
- FI
- Finland
- Prior art keywords
- compound
- water
- mixture
- reaction
- added
- Prior art date
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- 150000001733 carboxylic acid esters Chemical class 0.000 title description 2
- 150000001875 compounds Chemical class 0.000 claims abstract description 30
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 19
- -1 ester compound Chemical class 0.000 claims abstract description 13
- 239000012279 sodium borohydride Substances 0.000 claims abstract description 11
- 229910000033 sodium borohydride Inorganic materials 0.000 claims abstract description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 9
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 10
- 239000007858 starting material Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 36
- 239000007864 aqueous solution Substances 0.000 description 17
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 150000003839 salts Chemical class 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- RUCARZHINMHUDD-UHFFFAOYSA-N $l^{1}-oxidanyl(sulfo)sulfamic acid Chemical compound OS(=O)(=O)N([O])S(O)(=O)=O RUCARZHINMHUDD-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 14
- 239000002253 acid Substances 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical class [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 10
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 9
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 8
- YYPSIPHPBFRNII-UHFFFAOYSA-N 2-(10-hydroxydecyl)-5,6-dimethoxy-3-methylphenol Chemical compound COC1=CC(C)=C(CCCCCCCCCCO)C(O)=C1OC YYPSIPHPBFRNII-UHFFFAOYSA-N 0.000 description 7
- JGPMMRGNQUBGND-UHFFFAOYSA-N idebenone Chemical compound COC1=C(OC)C(=O)C(CCCCCCCCCCO)=C(C)C1=O JGPMMRGNQUBGND-UHFFFAOYSA-N 0.000 description 7
- MWKFXSUHUHTGQN-UHFFFAOYSA-N n-decyl alcohol Natural products CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- 230000008034 disappearance Effects 0.000 description 3
- 229960004135 idebenone Drugs 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- IHSLHAZEJBXKMN-UHFFFAOYSA-L potassium nitrosodisulfonate Chemical compound [K+].[K+].[O-]S(=O)(=O)N([O])S([O-])(=O)=O IHSLHAZEJBXKMN-UHFFFAOYSA-L 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 3
- 238000004809 thin layer chromatography Methods 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- JEDZLBFUGJTJGQ-UHFFFAOYSA-N [Na].COCCO[AlH]OCCOC Chemical compound [Na].COCCO[AlH]OCCOC JEDZLBFUGJTJGQ-UHFFFAOYSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 210000005013 brain tissue Anatomy 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- KCIDZIIHRGYJAE-YGFYJFDDSA-L dipotassium;[(2r,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] phosphate Chemical class [K+].[K+].OC[C@H]1O[C@H](OP([O-])([O-])=O)[C@H](O)[C@@H](O)[C@H]1O KCIDZIIHRGYJAE-YGFYJFDDSA-L 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- YRHYCMZPEVDGFQ-UHFFFAOYSA-N methyl decanoate Chemical compound CCCCCCCCCC(=O)OC YRHYCMZPEVDGFQ-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 239000012419 sodium bis(2-methoxyethoxy)aluminum hydride Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229940005561 1,4-benzoquinone Drugs 0.000 description 1
- FYMKULQCSCIVBV-UHFFFAOYSA-N 3-(10-hydroxydecyl)-6-methoxy-4-methylbenzene-1,2-diol Chemical compound COC1=CC(C)=C(CCCCCCCCCCO)C(O)=C1O FYMKULQCSCIVBV-UHFFFAOYSA-N 0.000 description 1
- 229910000497 Amalgam Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000005640 Methyl decanoate Substances 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 238000005644 Wolff-Kishner reduction reaction Methods 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 150000004252 dithioacetals Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 150000007857 hydrazones Chemical class 0.000 description 1
- 230000028993 immune response Effects 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- YQEXQXNBNYFWLC-UHFFFAOYSA-N methyl 10-(2-hydroxy-3,4-dimethoxy-6-methylphenyl)decanoate Chemical compound COC(=O)CCCCCCCCCC1=C(C)C=C(OC)C(OC)=C1O YQEXQXNBNYFWLC-UHFFFAOYSA-N 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 210000002460 smooth muscle Anatomy 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/23—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C50/00—Quinones
- C07C50/26—Quinones containing groups having oxygen atoms singly bound to carbon atoms
- C07C50/28—Quinones containing groups having oxygen atoms singly bound to carbon atoms with monocyclic quinoid structure
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/26—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
- C07C46/04—Preparation of quinones by oxidation giving rise to quinoid structures of unsubstituted ring carbon atoms in six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
- C07C46/06—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Claims (4)
1. Förfarande för framställning av en förening med formeln X R*0^yA(CH,)nCII,0H Y [i vilken formel säväl R1 som R2 betecknar en lägre alkyl-grupp; n beteckanr ett helt tai 0 - 21; X betecknar en väte- atom eller en valbart skyddad hydroxylgrupp; och Y betecknar en valbart skyddad hydroxylgrupp], i vilket förfarande en esterförening med formeln X R,0-'^5j^(CIIt)nC00R3 Y [där R1, R2, n, X och Y betecknar samma som ovan definierats och R3 är en lägre alkylgrupp] reduceras, känneteck-n a t av att reduktionen utförs med en blandning av natrium-borhydrid och aluminiumklorid i närvaro av vatten.
2. Förfarande enligt patentkravet 1, kännetecknat av att natriumborhydriden används i en mängd om minst 1, 5 mol per mol av utgängsföreningen.
3. Förfarande enligt patentkravet 1, kännetecknat av att natriumborhydriden används i en mängd om ca 3 mol per mol aluminiumklorid.
4. Förfarande enligt patentkravet 1, kännetecknat av att vatten används i en mängd om ca 0, 1 - 1,7 mol per mol aiumi ni umklori d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI923984A FI90859C (sv) | 1987-04-27 | 1992-09-04 | Förfarande för framställning av 6-(hydroxialkyl)-2,3-dialkoxi-5-metyl-1,4-bensokinonderivat |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10579587 | 1987-04-27 | ||
| JP10579587 | 1987-04-27 | ||
| JP10574487 | 1987-04-29 | ||
| JP10574487 | 1987-04-29 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI881959A0 FI881959A0 (sv) | 1988-04-26 |
| FI881959A FI881959A (sv) | 1988-10-28 |
| FI90761B true FI90761B (sv) | 1993-12-15 |
| FI90761C FI90761C (sv) | 1994-03-25 |
Family
ID=26445985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI881959A FI90761C (sv) | 1987-04-27 | 1988-04-26 | Reduktion av karboxylsyraestrar |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US4842775A (sv) |
| EP (1) | EP0289223B1 (sv) |
| JP (1) | JPH0832655B2 (sv) |
| KR (1) | KR960002597B1 (sv) |
| CN (2) | CN1018546B (sv) |
| AT (1) | ATE80141T1 (sv) |
| AU (1) | AU608598B2 (sv) |
| CA (1) | CA1290760C (sv) |
| DE (1) | DE3874195T2 (sv) |
| DK (2) | DK219288A (sv) |
| ES (1) | ES2051841T3 (sv) |
| FI (1) | FI90761C (sv) |
| GR (1) | GR3006060T3 (sv) |
| HU (1) | HU199378B (sv) |
| IE (1) | IE61726B1 (sv) |
| MX (1) | MX167538B (sv) |
| NO (1) | NO167655C (sv) |
| NZ (1) | NZ224402A (sv) |
| PL (2) | PL158961B1 (sv) |
| SU (1) | SU1768029A3 (sv) |
| WO (1) | WO1988008415A1 (sv) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2838126B2 (ja) * | 1989-02-06 | 1998-12-16 | 東ソー株式会社 | オルトキノン類の製造方法 |
| NZ513547A (en) | 2001-08-13 | 2002-09-27 | Antipodean Biotechnology Ltd | Synthesis of triphenylphosphonium quinols (e.g. mitoquinol) and/or quinones (e.g. mitoquinone) |
| SG145715A1 (en) | 2003-08-22 | 2008-09-29 | Antipodean Pharmaceuticals Inc | Mitoquinone derivatives used as mitochondrially targeted antioxidants |
| US7888334B2 (en) | 2003-08-22 | 2011-02-15 | Antipodean Pharmaceuticals, Inc. | Mitoquinone derivatives used as mitochondrially targeted antioxidants |
| CA2548250A1 (en) * | 2003-12-05 | 2005-06-23 | Bruce H. Lipshutz | Practical, cost-effective synthesis of ubiquinones |
| US7160578B2 (en) * | 2004-03-10 | 2007-01-09 | Pilkington North America | Method for depositing aluminum oxide coatings on flat glass |
| CN111943806A (zh) * | 2020-09-03 | 2020-11-17 | 中国林业科学研究院资源昆虫研究所 | 常压下硼氢化钠体系还原白蜡制备高级烷醇的方法 |
| CN117402062B (zh) * | 2023-12-15 | 2024-03-29 | 山东国邦药业有限公司 | 环丙甲醇制备及其副产物四甲氧基硼酸钠的回收利用方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919930B2 (ja) * | 1974-05-02 | 1984-05-09 | 武田薬品工業株式会社 | キノン酸誘導体の製造法 |
| JPS567734A (en) * | 1979-06-28 | 1981-01-27 | Takeda Chem Ind Ltd | Preparation of quinone derivative |
| JPS56147746A (en) * | 1980-04-15 | 1981-11-16 | Takeda Chem Ind Ltd | Quinones and their preparation |
| FI75561C (sv) * | 1979-10-30 | 1988-07-11 | Ciba Geigy Ag | Förfarande för framställning av 5-karbamoyl-10-oxo-10,11-dihydro-5H-di bens/b,f/azepin och därtill nödvändiga mellanprodukter. |
-
1988
- 1988-04-21 AT AT88303622T patent/ATE80141T1/de not_active IP Right Cessation
- 1988-04-21 ES ES88303622T patent/ES2051841T3/es not_active Expired - Lifetime
- 1988-04-21 EP EP88303622A patent/EP0289223B1/en not_active Expired - Lifetime
- 1988-04-21 DE DE8888303622T patent/DE3874195T2/de not_active Expired - Fee Related
- 1988-04-22 DK DK219288A patent/DK219288A/da not_active Application Discontinuation
- 1988-04-25 KR KR1019880004727A patent/KR960002597B1/ko not_active IP Right Cessation
- 1988-04-26 MX MX011246A patent/MX167538B/es unknown
- 1988-04-26 US US07/186,297 patent/US4842775A/en not_active Expired - Lifetime
- 1988-04-26 PL PL1988282657A patent/PL158961B1/pl unknown
- 1988-04-26 HU HU882100A patent/HU199378B/hu not_active IP Right Cessation
- 1988-04-26 FI FI881959A patent/FI90761C/sv not_active IP Right Cessation
- 1988-04-26 PL PL1988272083A patent/PL153624B1/pl unknown
- 1988-04-26 IE IE124788A patent/IE61726B1/en not_active IP Right Cessation
- 1988-04-26 NO NO881823A patent/NO167655C/no not_active IP Right Cessation
- 1988-04-26 CA CA000565050A patent/CA1290760C/en not_active Expired - Lifetime
- 1988-04-26 AU AU15151/88A patent/AU608598B2/en not_active Ceased
- 1988-04-26 WO PCT/JP1988/000406 patent/WO1988008415A1/en unknown
- 1988-04-27 JP JP63106200A patent/JPH0832655B2/ja not_active Expired - Fee Related
- 1988-04-27 NZ NZ224402A patent/NZ224402A/xx unknown
- 1988-04-27 CN CN88102561A patent/CN1018546B/zh not_active Expired
- 1988-09-19 SU SU4356640A patent/SU1768029A3/ru active
-
1992
- 1992-04-07 CN CN92102604A patent/CN1033855C/zh not_active Expired - Fee Related
- 1992-10-22 GR GR920402385T patent/GR3006060T3/el unknown
-
1995
- 1995-08-17 DK DK092295A patent/DK92295A/da not_active Application Discontinuation
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Legal Events
| Date | Code | Title | Description |
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| BB | Publication of examined application | ||
| MM | Patent lapsed |
Owner name: TAKEDA CHEMICAL INDUSTRIES, LTD. |