SE448372B - Forfarande for framstellning av bensylalkohol och derivat derav - Google Patents
Forfarande for framstellning av bensylalkohol och derivat deravInfo
- Publication number
- SE448372B SE448372B SE7900715A SE7900715A SE448372B SE 448372 B SE448372 B SE 448372B SE 7900715 A SE7900715 A SE 7900715A SE 7900715 A SE7900715 A SE 7900715A SE 448372 B SE448372 B SE 448372B
- Authority
- SE
- Sweden
- Prior art keywords
- acid
- benzyl alcohol
- hours
- procedure
- benzoic acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 23
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 title claims description 19
- 235000019445 benzyl alcohol Nutrition 0.000 title claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 150000008064 anhydrides Chemical class 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000005711 Benzoic acid Substances 0.000 claims description 5
- 235000010233 benzoic acid Nutrition 0.000 claims description 5
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- YOETUEMZNOLGDB-UHFFFAOYSA-N 2-methylpropyl carbonochloridate Chemical compound CC(C)COC(Cl)=O YOETUEMZNOLGDB-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000460 chlorine Chemical group 0.000 claims description 2
- 229910052801 chlorine Chemical group 0.000 claims description 2
- 230000000887 hydrating effect Effects 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 150000001559 benzoic acids Chemical group 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- 239000003610 charcoal Substances 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 16
- 239000000047 product Substances 0.000 description 12
- SJSOFNCYXJUNBT-UHFFFAOYSA-N 3,4,5-trimethoxybenzoic acid Chemical compound COC1=CC(C(O)=O)=CC(OC)=C1OC SJSOFNCYXJUNBT-UHFFFAOYSA-N 0.000 description 11
- OPHQOIGEOHXOGX-UHFFFAOYSA-N 3,4,5-trimethoxybenzaldehyde Chemical compound COC1=CC(C=O)=CC(OC)=C1OC OPHQOIGEOHXOGX-UHFFFAOYSA-N 0.000 description 9
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- IWPZKOJSYQZABD-UHFFFAOYSA-N 3,4,5-trimethoxybenzoic acid Natural products COC1=CC(OC)=CC(C(O)=O)=C1 IWPZKOJSYQZABD-UHFFFAOYSA-N 0.000 description 5
- 238000005481 NMR spectroscopy Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 238000005984 hydrogenation reaction Methods 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- CQDGTJPVBWZJAZ-UHFFFAOYSA-N monoethyl carbonate Chemical compound CCOC(O)=O CQDGTJPVBWZJAZ-UHFFFAOYSA-N 0.000 description 4
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 4
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 4
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 4
- 235000012141 vanillin Nutrition 0.000 description 4
- CRUILBNAQILVHZ-UHFFFAOYSA-N 1,2,3-trimethoxybenzene Chemical compound COC1=CC=CC(OC)=C1OC CRUILBNAQILVHZ-UHFFFAOYSA-N 0.000 description 3
- -1 3,3,5-trimethoxy-benzoic acid chloride Chemical compound 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- QPHLRCUCFDXGLY-UHFFFAOYSA-N (3,4,5-trimethoxyphenyl)methanol Chemical compound COC1=CC(CO)=CC(OC)=C1OC QPHLRCUCFDXGLY-UHFFFAOYSA-N 0.000 description 2
- HOQQNVDUQRUAKX-UHFFFAOYSA-N 3,3,5-trimethoxycyclohexa-1,5-diene-1-carbonyl chloride Chemical compound COC1=CC(C(=O)Cl)=CC(C1)(OC)OC HOQQNVDUQRUAKX-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000011987 methylation Effects 0.000 description 2
- 238000007069 methylation reaction Methods 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- HZNQSWJZTWOTKM-UHFFFAOYSA-N 2,3,4-trimethoxybenzoic acid Chemical compound COC1=CC=C(C(O)=O)C(OC)=C1OC HZNQSWJZTWOTKM-UHFFFAOYSA-N 0.000 description 1
- LNOIWGNUNVFGGF-UHFFFAOYSA-N 3,3,5-trimethoxycyclohexa-1,5-diene-1-carbaldehyde Chemical compound COC1=CC(C=O)=CC(C1)(OC)OC LNOIWGNUNVFGGF-UHFFFAOYSA-N 0.000 description 1
- KLSHZDPXXKAHIJ-UHFFFAOYSA-N 3-bromo-4-hydroxy-5-methoxybenzaldehyde Chemical compound COC1=CC(C=O)=CC(Br)=C1O KLSHZDPXXKAHIJ-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 235000002566 Capsicum Nutrition 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- MMOXZBCLCQITDF-UHFFFAOYSA-N N,N-diethyl-m-toluamide Chemical compound CCN(CC)C(=O)C1=CC=CC(C)=C1 MMOXZBCLCQITDF-UHFFFAOYSA-N 0.000 description 1
- 239000006002 Pepper Substances 0.000 description 1
- 235000016761 Piper aduncum Nutrition 0.000 description 1
- 235000017804 Piper guineense Nutrition 0.000 description 1
- 244000203593 Piper nigrum Species 0.000 description 1
- 235000008184 Piper nigrum Nutrition 0.000 description 1
- IGHDQTAJLOFGMR-UHFFFAOYSA-N [S].N1=CC=CC2=CC=CC=C21 Chemical compound [S].N1=CC=CC2=CC=CC=C21 IGHDQTAJLOFGMR-UHFFFAOYSA-N 0.000 description 1
- 239000000061 acid fraction Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- NLNRAVDTRLIKBV-UHFFFAOYSA-N ethoxycarbonyl 3,4,5-trimethoxybenzoate Chemical compound CCOC(=O)OC(=O)C1=CC(OC)=C(OC)C(OC)=C1 NLNRAVDTRLIKBV-UHFFFAOYSA-N 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
- 150000004678 hydrides Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 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
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 229940030010 trimethoxybenzene Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
- C07C47/575—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings containing ether groups, groups, groups, or groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
- C07C29/149—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases
-
- 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
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
- C07C45/292—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups with chromium derivatives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
- C07C45/298—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups with manganese derivatives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/30—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with halogen containing compounds, e.g. hypohalogenation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT4781178A IT1155794B (it) | 1978-01-27 | 1978-01-27 | Metodo per la preparazione industriale di 3,4,5-trimetossi benzaldeide e dell'alcool 3,4,5-trimetossibenzilico |
IT4753779A IT1188814B (it) | 1979-01-04 | 1979-01-04 | Procedimento migliorato per la preparazione di aldeidi e alcooli aromatici |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7900715L SE7900715L (sv) | 1979-07-28 |
SE448372B true SE448372B (sv) | 1987-02-16 |
Family
ID=26329200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7900715A SE448372B (sv) | 1978-01-27 | 1979-01-26 | Forfarande for framstellning av bensylalkohol och derivat derav |
Country Status (16)
Country | Link |
---|---|
US (1) | US4239702A (en, 2012) |
JP (1) | JPS54112831A (en, 2012) |
AU (1) | AU523640B2 (en, 2012) |
CA (1) | CA1121383A (en, 2012) |
CH (1) | CH641752A5 (en, 2012) |
DE (1) | DE2902541A1 (en, 2012) |
DK (1) | DK33879A (en, 2012) |
ES (1) | ES477207A1 (en, 2012) |
FR (1) | FR2415614A1 (en, 2012) |
GB (1) | GB2013203B (en, 2012) |
IE (1) | IE47646B1 (en, 2012) |
LU (1) | LU80835A1 (en, 2012) |
NL (1) | NL186313C (en, 2012) |
NO (1) | NO149956C (en, 2012) |
PT (1) | PT69138A (en, 2012) |
SE (1) | SE448372B (en, 2012) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3036967A1 (de) * | 1980-10-01 | 1982-05-13 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von 3-brom-4-fluor-benzylalkohol und neue zwischenprodukte hierfuer |
US4824612A (en) * | 1986-12-15 | 1989-04-25 | Ciba-Geigy Corporation | Process for oxidizing secondary aromatic alcohols |
US5072023A (en) * | 1990-02-15 | 1991-12-10 | E. R. Squibb & Sons, Inc. | Process for preparing highly substituted phenyls |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1123664A (fr) * | 1954-02-23 | 1956-09-25 | Chinoin Gyogyszer Es Vegyeszet | Procédé de préparation d'alcools primaires |
US2883426A (en) * | 1956-10-05 | 1959-04-21 | Shell Dev | Process for the preparation of aldehydes and ketones |
US3322833A (en) * | 1963-01-24 | 1967-05-30 | Sun Oil Co | Preparation of aromatic aldehydes |
BE789586A (fr) * | 1972-03-27 | 1973-04-02 | Hoffmann La Roche | Procede pour la preparation de 3,4,5-trimethoxy-benzaldehyde |
US3978140A (en) * | 1974-09-23 | 1976-08-31 | Aldrich-Boranes, Inc. | Process for the preparation of carbinols |
US3996259A (en) * | 1975-11-06 | 1976-12-07 | The Dow Chemical Company | Oxidation of organic compounds by aqueous hypohalites using phase transfer catalysis |
-
1979
- 1979-01-17 NL NLAANVRAGE7900366,A patent/NL186313C/xx not_active IP Right Cessation
- 1979-01-18 CH CH47579A patent/CH641752A5/it not_active IP Right Cessation
- 1979-01-18 US US06/004,447 patent/US4239702A/en not_active Expired - Lifetime
- 1979-01-24 DE DE19792902541 patent/DE2902541A1/de active Granted
- 1979-01-26 GB GB7902895A patent/GB2013203B/en not_active Expired
- 1979-01-26 FR FR7902124A patent/FR2415614A1/fr active Granted
- 1979-01-26 CA CA000320388A patent/CA1121383A/en not_active Expired
- 1979-01-26 ES ES477207A patent/ES477207A1/es not_active Expired
- 1979-01-26 DK DK33879A patent/DK33879A/da not_active Application Discontinuation
- 1979-01-26 SE SE7900715A patent/SE448372B/sv not_active IP Right Cessation
- 1979-01-26 LU LU80835A patent/LU80835A1/xx unknown
- 1979-01-26 AU AU43694/79A patent/AU523640B2/en not_active Ceased
- 1979-01-26 PT PT7969138A patent/PT69138A/pt unknown
- 1979-01-26 NO NO790258A patent/NO149956C/no unknown
- 1979-01-27 JP JP864779A patent/JPS54112831A/ja active Granted
- 1979-01-30 IE IE86/79A patent/IE47646B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO149956C (no) | 1984-08-01 |
JPS54112831A (en) | 1979-09-04 |
FR2415614A1 (fr) | 1979-08-24 |
IE47646B1 (en) | 1984-05-16 |
CH641752A5 (it) | 1984-03-15 |
CA1121383A (en) | 1982-04-06 |
GB2013203B (en) | 1982-04-07 |
NL186313B (nl) | 1990-06-01 |
AU4369479A (en) | 1979-08-02 |
DK33879A (da) | 1979-07-28 |
AU523640B2 (en) | 1982-08-05 |
NO149956B (no) | 1984-04-16 |
NO790258L (no) | 1979-07-30 |
US4239702A (en) | 1980-12-16 |
IE790086L (en) | 1979-07-27 |
NL7900366A (nl) | 1979-07-31 |
NL186313C (nl) | 1990-11-01 |
PT69138A (en) | 1979-02-01 |
FR2415614B1 (en, 2012) | 1984-07-27 |
GB2013203A (en) | 1979-08-08 |
DE2902541A1 (de) | 1979-08-02 |
DE2902541C2 (en, 2012) | 1987-08-27 |
ES477207A1 (es) | 1979-10-16 |
JPS635383B2 (en, 2012) | 1988-02-03 |
LU80835A1 (fr) | 1979-06-05 |
SE7900715L (sv) | 1979-07-28 |
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