JPH0223554B2 - - Google Patents
Info
- Publication number
- JPH0223554B2 JPH0223554B2 JP63065769A JP6576988A JPH0223554B2 JP H0223554 B2 JPH0223554 B2 JP H0223554B2 JP 63065769 A JP63065769 A JP 63065769A JP 6576988 A JP6576988 A JP 6576988A JP H0223554 B2 JPH0223554 B2 JP H0223554B2
- Authority
- JP
- Japan
- Prior art keywords
- formula
- benzoylphenyl
- methyl
- added
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 150000001875 compounds Chemical class 0.000 claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 150000001340 alkali metals Chemical class 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- OTGHWLKHGCENJV-UHFFFAOYSA-N glycidic acid Chemical class OC(=O)C1CO1 OTGHWLKHGCENJV-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 4
- 239000003444 phase transfer catalyst Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 7
- DKYWVDODHFEZIM-UHFFFAOYSA-N ketoprofen Chemical compound OC(=O)C(C)C1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 DKYWVDODHFEZIM-UHFFFAOYSA-N 0.000 description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 6
- 239000012044 organic layer Substances 0.000 description 6
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 5
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- PPNGALBGZJBTRY-UHFFFAOYSA-N 1-(3-benzoylphenyl)ethanone Chemical compound CC(=O)C1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 PPNGALBGZJBTRY-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 4
- -1 benzoyl halide Chemical class 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 238000010898 silica gel chromatography Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000007818 Grignard reagent Substances 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 150000004795 grignard reagents Chemical class 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- BMECYBCLXRLALS-UHFFFAOYSA-N 2-(3-bromophenyl)-2-methyl-1,3-dioxolane Chemical compound C=1C=CC(Br)=CC=1C1(C)OCCO1 BMECYBCLXRLALS-UHFFFAOYSA-N 0.000 description 2
- IKKWOTJHWRQSAD-UHFFFAOYSA-N 3-(3-benzoylphenyl)-2-oxobutanoic acid Chemical compound OC(=O)C(=O)C(C)C1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 IKKWOTJHWRQSAD-UHFFFAOYSA-N 0.000 description 2
- 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 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [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
- 239000007864 aqueous solution Substances 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229940098779 methanesulfonic acid Drugs 0.000 description 2
- QABLOFMHHSOFRJ-UHFFFAOYSA-N methyl 2-chloroacetate Chemical group COC(=O)CCl QABLOFMHHSOFRJ-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 125000004043 oxo group Chemical group O=* 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- RGYOCHMZSLUCNP-UHFFFAOYSA-N 2-(3-benzoylphenyl)propanenitrile Chemical compound N#CC(C)C1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 RGYOCHMZSLUCNP-UHFFFAOYSA-N 0.000 description 1
- VXYZPDVCNVHHLM-UHFFFAOYSA-N 3-hydroxy-1-(3-phenylphenyl)propan-1-one Chemical compound OCCC(=O)C1=CC=CC(C=2C=CC=CC=2)=C1 VXYZPDVCNVHHLM-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- SZJQXQICJDHRJE-UHFFFAOYSA-N [3-(bromomethyl)phenyl]-phenylmethanone Chemical compound BrCC1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 SZJQXQICJDHRJE-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000007960 acetonitrile Chemical class 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- NBZANZVJRKXVBH-GYDPHNCVSA-N alpha-Cryptoxanthin Natural products O[C@H]1CC(C)(C)C(/C=C/C(=C\C=C\C(=C/C=C/C=C(\C=C\C=C(/C=C/[C@H]2C(C)=CCCC2(C)C)\C)/C)\C)/C)=C(C)C1 NBZANZVJRKXVBH-GYDPHNCVSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- NDKBVBUGCNGSJJ-UHFFFAOYSA-M benzyltrimethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)CC1=CC=CC=C1 NDKBVBUGCNGSJJ-UHFFFAOYSA-M 0.000 description 1
- AJSHDAOMUKXVDC-UHFFFAOYSA-N butan-1-amine;sulfuric acid Chemical compound CCCC[NH3+].OS([O-])(=O)=O AJSHDAOMUKXVDC-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006705 deacetalization reaction Methods 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- DQKSLMAJRVMMEI-UHFFFAOYSA-N ethyl 2-(3-benzoylphenyl)-2-cyanopropanoate Chemical compound CCOC(=O)C(C)(C#N)C1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 DQKSLMAJRVMMEI-UHFFFAOYSA-N 0.000 description 1
- 239000002024 ethyl acetate extract Substances 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LATAQYBUQRZKKO-UHFFFAOYSA-N methyl 3-(3-benzoylphenyl)-2-hydroxybut-3-enoate Chemical compound COC(=O)C(O)C(=C)C1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 LATAQYBUQRZKKO-UHFFFAOYSA-N 0.000 description 1
- YKNYRRVISWJDSR-UHFFFAOYSA-N methyl oxirane-2-carboxylate Chemical compound COC(=O)C1CO1 YKNYRRVISWJDSR-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 150000004728 pyruvic acid derivatives Chemical class 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Epoxy Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6576988A JPS63264473A (ja) | 1988-03-22 | 1988-03-22 | グリシド酸誘導体の製法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6576988A JPS63264473A (ja) | 1988-03-22 | 1988-03-22 | グリシド酸誘導体の製法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56050128A Division JPS57165339A (en) | 1981-04-03 | 1981-04-03 | Acetophenone derivative and its preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63264473A JPS63264473A (ja) | 1988-11-01 |
JPH0223554B2 true JPH0223554B2 (fr) | 1990-05-24 |
Family
ID=13296561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6576988A Granted JPS63264473A (ja) | 1988-03-22 | 1988-03-22 | グリシド酸誘導体の製法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63264473A (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5116632A (en) * | 1974-07-27 | 1976-02-10 | Nisshin Flour Milling Co | 22 hidorokishi 33 butensanjudotaino seiho |
JPS557225A (en) * | 1978-06-28 | 1980-01-19 | Sanpo Kagaku Kenkyusho:Kk | Preparation of propionic acid derivative |
JPS55153777A (en) * | 1979-05-17 | 1980-11-29 | Nisshin Flour Milling Co Ltd | Improved method of preparation of 3-methyl-3-(substituted phenyl)-glycidic ester |
-
1988
- 1988-03-22 JP JP6576988A patent/JPS63264473A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5116632A (en) * | 1974-07-27 | 1976-02-10 | Nisshin Flour Milling Co | 22 hidorokishi 33 butensanjudotaino seiho |
JPS557225A (en) * | 1978-06-28 | 1980-01-19 | Sanpo Kagaku Kenkyusho:Kk | Preparation of propionic acid derivative |
JPS55153777A (en) * | 1979-05-17 | 1980-11-29 | Nisshin Flour Milling Co Ltd | Improved method of preparation of 3-methyl-3-(substituted phenyl)-glycidic ester |
Also Published As
Publication number | Publication date |
---|---|
JPS63264473A (ja) | 1988-11-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1918103B (zh) | 2,5-二甲基苯乙酸的制备方法 | |
EP0442816A1 (fr) | Nouveaux acides alpha-hydroxyles, procédé de préparation et leur utilisation | |
CA2110748C (fr) | Procede de preparation de la vitamine a et composes intermediaires utiles pour ce procede | |
JPH0223554B2 (fr) | ||
JP3946521B2 (ja) | シンバスタチンの製造方法 | |
US4395561A (en) | Synthesis of 3-hydroxyoxetane | |
FR2492816A1 (fr) | Procede de preparation de derives de 11-dodecen-1-yle | |
JPH05286902A (ja) | α−クロロ−β−ケトエステル誘導体の製造方法 | |
Rowbottom | Synthesis of vinyl epoxides via a three-component coupling | |
JPH0118909B2 (fr) | ||
JPH0723356B2 (ja) | 4,4―ジスルホニルブタン酸エステル類の製造法 | |
EP0309340B1 (fr) | Nouveaux dérivés du nonatriène-1,3,5, leur préparation et leur emploi | |
EP0242247B1 (fr) | Procédé de préparation d'un halogéno-6 méthyl-3 trialkylsilyloxy-1 hexatriène-1,3,5 | |
EP0362309B1 (fr) | (ethylenedioxo-3,3 cyclohexyl)-4 acetophenone et derives de ce compose, procedes pour leur preparation et utilisation de ces composes | |
EP0148666B1 (fr) | Procédé de préparation de l'acide hydroxy-3 méthyl-3 glutarique | |
EP0628534B1 (fr) | Procédé de synthèse stéréospécifique de leucotriène B4 sous sa configuration 6Z, 8E, 1OE et produits intermédiaires | |
US4343953A (en) | Method for preparing 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentenolone | |
FR2759696A1 (fr) | Preparation du 4-cyano-4'-hydroxy biphenyle | |
JPS6234021B2 (fr) | ||
JPS62283944A (ja) | シネンサ−ルの製造方法 | |
FR2487336A1 (fr) | Nouveau procede de preparation du (methoxy-2 ethyl)-4 phenol | |
FR2487338A1 (fr) | Procede perfectionne de preparation du (methoxy-2 ethyl)-4 phenol | |
JPS6353185B2 (fr) | ||
WO2005037756A2 (fr) | Nouveaux procedes de preparation de l’acide 4-[4-(4-methoxymethoxy-4’-methyl-biphenyl-2-yl)-but-3-ene-(e)-1-ynyl]-benzoïque | |
JPS6141914B2 (fr) |