CH636333A5 - Procedimento per la produzione di aldeidi aromatiche. - Google Patents
Procedimento per la produzione di aldeidi aromatiche. Download PDFInfo
- Publication number
- CH636333A5 CH636333A5 CH54079A CH54079A CH636333A5 CH 636333 A5 CH636333 A5 CH 636333A5 CH 54079 A CH54079 A CH 54079A CH 54079 A CH54079 A CH 54079A CH 636333 A5 CH636333 A5 CH 636333A5
- Authority
- CH
- Switzerland
- Prior art keywords
- quinoline
- sulfur
- solution
- catalyst
- ethyl
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 26
- 150000003934 aromatic aldehydes Chemical class 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 34
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 19
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 16
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 14
- 229910052717 sulfur Inorganic materials 0.000 claims description 14
- 239000011593 sulfur Substances 0.000 claims description 14
- 150000008064 anhydrides Chemical class 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 11
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 8
- 150000001299 aldehydes Chemical class 0.000 claims description 7
- 238000005984 hydrogenation reaction Methods 0.000 claims description 7
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 238000009903 catalytic hydrogenation reaction Methods 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
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 239000012442 inert solvent Substances 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- OPHQOIGEOHXOGX-UHFFFAOYSA-N 3,4,5-trimethoxybenzaldehyde Chemical compound COC1=CC(C=O)=CC(OC)=C1OC OPHQOIGEOHXOGX-UHFFFAOYSA-N 0.000 description 24
- 239000000047 product Substances 0.000 description 19
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 15
- 230000009467 reduction Effects 0.000 description 9
- 238000006722 reduction reaction Methods 0.000 description 9
- SJSOFNCYXJUNBT-UHFFFAOYSA-N 3,4,5-trimethoxybenzoic acid Chemical compound COC1=CC(C(O)=O)=CC(OC)=C1OC SJSOFNCYXJUNBT-UHFFFAOYSA-N 0.000 description 8
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- VGGWRNXXWACLNH-UHFFFAOYSA-N [3-oxo-3-(3,4,5-trimethoxyphenyl)propyl] hydrogen carbonate Chemical compound COC1=CC(C(=O)CCOC(O)=O)=CC(OC)=C1OC VGGWRNXXWACLNH-UHFFFAOYSA-N 0.000 description 5
- IWPZKOJSYQZABD-UHFFFAOYSA-N 3,4,5-trimethoxybenzoic acid Natural products COC1=CC(OC)=CC(C(O)=O)=C1 IWPZKOJSYQZABD-UHFFFAOYSA-N 0.000 description 4
- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 description 4
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 4
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- BUHYMJLFRZAFBF-UHFFFAOYSA-N 3,4,5-trimethoxybenzoyl chloride Chemical compound COC1=CC(C(Cl)=O)=CC(OC)=C1OC BUHYMJLFRZAFBF-UHFFFAOYSA-N 0.000 description 2
- AVPYQKSLYISFPO-UHFFFAOYSA-N 4-chlorobenzaldehyde Chemical compound ClC1=CC=C(C=O)C=C1 AVPYQKSLYISFPO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 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
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- FXLOVSHXALFLKQ-UHFFFAOYSA-N p-tolualdehyde Chemical compound CC1=CC=C(C=O)C=C1 FXLOVSHXALFLKQ-UHFFFAOYSA-N 0.000 description 2
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 2
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 2
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 2
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 2
- 235000012141 vanillin Nutrition 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- QBYIENPQHBMVBV-HFEGYEGKSA-N (2R)-2-hydroxy-2-phenylacetic acid Chemical compound O[C@@H](C(O)=O)c1ccccc1.O[C@@H](C(O)=O)c1ccccc1 QBYIENPQHBMVBV-HFEGYEGKSA-N 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- AVGQTJUPLKNPQP-UHFFFAOYSA-N 1,1,1-trichloropropane Chemical compound CCC(Cl)(Cl)Cl AVGQTJUPLKNPQP-UHFFFAOYSA-N 0.000 description 1
- KCIZTNZGSBSSRM-UHFFFAOYSA-N 3,4,5-Trimethoxytoluene Chemical compound COC1=CC(C)=CC(OC)=C1OC KCIZTNZGSBSSRM-UHFFFAOYSA-N 0.000 description 1
- XRHGYUZYPHTUJZ-UHFFFAOYSA-N 4-chlorobenzoic acid Chemical compound OC(=O)C1=CC=C(Cl)C=C1 XRHGYUZYPHTUJZ-UHFFFAOYSA-N 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 description 1
- IWYDHOAUDWTVEP-UHFFFAOYSA-N R-2-phenyl-2-hydroxyacetic acid Natural products OC(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 159000000032 aromatic acids Chemical class 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- HKNWKTRXBJXGMT-UHFFFAOYSA-N barium palladium Chemical compound [Pd].[Ba] HKNWKTRXBJXGMT-UHFFFAOYSA-N 0.000 description 1
- 150000003935 benzaldehydes Chemical class 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- UXXXZMDJQLPQPH-UHFFFAOYSA-N bis(2-methylpropyl) carbonate Chemical compound CC(C)COC(=O)OCC(C)C UXXXZMDJQLPQPH-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 229930016911 cinnamic acid Natural products 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229940127089 cytotoxic agent Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229960002510 mandelic acid Drugs 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 1
- 229960003424 phenylacetic acid Drugs 0.000 description 1
- 239000003279 phenylacetic acid Substances 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
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- ILWRPSCZWQJDMK-UHFFFAOYSA-N triethylazanium;chloride Chemical compound Cl.CCN(CC)CC ILWRPSCZWQJDMK-UHFFFAOYSA-N 0.000 description 1
- IEDVJHCEMCRBQM-UHFFFAOYSA-N trimethoprim Chemical compound COC1=C(OC)C(OC)=CC(CC=2C(=NC(N)=NC=2)N)=C1 IEDVJHCEMCRBQM-UHFFFAOYSA-N 0.000 description 1
- 229960001082 trimethoprim Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- C07C45/41—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT47813/78A IT1155795B (it) | 1978-01-27 | 1978-01-27 | Metodo di sintesi per la preparazione della 3,4,5-trimetossibenzaldeide |
Publications (1)
Publication Number | Publication Date |
---|---|
CH636333A5 true CH636333A5 (it) | 1983-05-31 |
Family
ID=11262676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH54079A CH636333A5 (it) | 1978-01-27 | 1979-01-19 | Procedimento per la produzione di aldeidi aromatiche. |
Country Status (20)
Country | Link |
---|---|
US (1) | US4240984A (en, 2012) |
JP (1) | JPS54117432A (en, 2012) |
AT (1) | AT367012B (en, 2012) |
AU (1) | AU524947B2 (en, 2012) |
BE (1) | BE873647A (en, 2012) |
CA (1) | CA1117980A (en, 2012) |
CH (1) | CH636333A5 (en, 2012) |
DE (1) | DE2902542A1 (en, 2012) |
DK (1) | DK34079A (en, 2012) |
ES (1) | ES477208A1 (en, 2012) |
FR (1) | FR2415615A1 (en, 2012) |
GB (1) | GB2013202B (en, 2012) |
GR (1) | GR65656B (en, 2012) |
IE (1) | IE47907B1 (en, 2012) |
IT (1) | IT1155795B (en, 2012) |
LU (1) | LU80833A1 (en, 2012) |
NL (1) | NL7900396A (en, 2012) |
NO (1) | NO149544C (en, 2012) |
PT (1) | PT69140A (en, 2012) |
SE (1) | SE446973B (en, 2012) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE443138B (sv) * | 1979-12-10 | 1986-02-17 | Berol Kemi Ab | Ytaktiv kvarter ammoniumforening samt anvendning av denna vid behandling av textil- och cellulosamaterial |
EP0150961B1 (en) * | 1984-01-18 | 1988-05-11 | Mitsubishi Kasei Corporation | Catalytic process of producing aromatic aldehydes |
JPS62148444A (ja) * | 1985-12-19 | 1987-07-02 | チバ−ガイギ− ア−ゲ− | 4,4′−スチルベンジアルデヒド類の製法 |
JPS62265240A (ja) * | 1986-05-12 | 1987-11-18 | Shin Etsu Chem Co Ltd | カルボン酸の還元方法 |
US6441246B1 (en) * | 1998-08-27 | 2002-08-27 | Japan Science And Technology Corporation | Catalytic synthesis of aldehydes by direct hydrogenation of carboxylic acids |
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 |
DE2064105C3 (de) * | 1970-12-28 | 1978-08-24 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Aldehyden |
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 |
-
1978
- 1978-01-27 IT IT47813/78A patent/IT1155795B/it active
-
1979
- 1979-01-18 NL NL7900396A patent/NL7900396A/xx not_active Application Discontinuation
- 1979-01-18 US US06/004,448 patent/US4240984A/en not_active Expired - Lifetime
- 1979-01-19 CH CH54079A patent/CH636333A5/it not_active IP Right Cessation
- 1979-01-23 BE BE193031A patent/BE873647A/xx unknown
- 1979-01-24 DE DE19792902542 patent/DE2902542A1/de active Granted
- 1979-01-26 AT AT0059979A patent/AT367012B/de not_active IP Right Cessation
- 1979-01-26 FR FR7902126A patent/FR2415615A1/fr active Granted
- 1979-01-26 ES ES477208A patent/ES477208A1/es not_active Expired
- 1979-01-26 DK DK34079A patent/DK34079A/da not_active Application Discontinuation
- 1979-01-26 SE SE7900717A patent/SE446973B/sv not_active IP Right Cessation
- 1979-01-26 LU LU80833A patent/LU80833A1/xx unknown
- 1979-01-26 PT PT7969140A patent/PT69140A/pt unknown
- 1979-01-26 GB GB7902894A patent/GB2013202B/en not_active Expired
- 1979-01-26 NO NO790260A patent/NO149544C/no unknown
- 1979-01-26 AU AU43693/79A patent/AU524947B2/en not_active Ceased
- 1979-01-26 CA CA000320390A patent/CA1117980A/en not_active Expired
- 1979-01-27 JP JP864879A patent/JPS54117432A/ja active Granted
- 1979-01-27 GR GR58196A patent/GR65656B/el unknown
- 1979-01-30 IE IE87/79A patent/IE47907B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS54117432A (en) | 1979-09-12 |
LU80833A1 (fr) | 1979-06-05 |
ES477208A1 (es) | 1979-10-16 |
AU524947B2 (en) | 1982-10-14 |
IE790087L (en) | 1979-07-27 |
GB2013202A (en) | 1979-08-08 |
IT1155795B (it) | 1987-01-28 |
DE2902542A1 (de) | 1979-08-02 |
AU4369379A (en) | 1979-08-02 |
FR2415615A1 (fr) | 1979-08-24 |
GB2013202B (en) | 1982-04-07 |
IE47907B1 (en) | 1984-07-25 |
NO149544C (no) | 1984-05-09 |
DK34079A (da) | 1979-07-28 |
GR65656B (en) | 1980-10-16 |
ATA59979A (de) | 1981-10-15 |
NO790260L (no) | 1979-07-30 |
PT69140A (en) | 1979-02-01 |
NL7900396A (nl) | 1979-07-31 |
AT367012B (de) | 1982-05-25 |
BE873647A (fr) | 1979-05-16 |
SE446973B (sv) | 1986-10-20 |
CA1117980A (en) | 1982-02-09 |
NO149544B (no) | 1984-01-30 |
US4240984A (en) | 1980-12-23 |
SE7900717L (sv) | 1979-07-28 |
DE2902542C2 (en, 2012) | 1987-11-26 |
IT7847813A0 (it) | 1978-01-27 |
JPS6157816B2 (en, 2012) | 1986-12-09 |
FR2415615B1 (en, 2012) | 1984-07-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH636333A5 (it) | Procedimento per la produzione di aldeidi aromatiche. | |
DE1813973C3 (en, 2012) | ||
US3996246A (en) | Resolution of racemic pantolactone | |
DD206371A5 (de) | Verfahren zur herstellung eines 2s chiralen alkohols | |
US3910958A (en) | Process for preparing arylacetic acids and esters thereof | |
JPH0610158B2 (ja) | 3−フルオロ安息香酸類の製造方法 | |
EP0110202B1 (de) | Verfahren zur Herstellung von Phenylethanolaminen | |
JP4057088B2 (ja) | ピロリジン誘導体の製造方法 | |
KR20160141950A (ko) | 1-메틸-2-(2-하이드록시에틸)피롤리딘의 상업생산이 가능한 효과적인 합성방법 | |
EP0252363B1 (de) | 4-Benzyloxy-3-pyrrolin-2-on, dessen Herstellung und Verwendung zur Synthese von Tetramsäure | |
CA1121383A (en) | Process for preparing aromatic aldehydes and alcohols, in particular benzaldehyde, benzyl alcohol and derivatives thereof | |
JPH0549657B2 (en, 2012) | ||
KR820001079B1 (ko) | 방향족알데히드의 제조방법 | |
CA1155455A (en) | Intermediates in the preparation of cyclopropanecarboxylate esters and process for their manufacture | |
US4304942A (en) | Producing substituted 2-cyclopentenones | |
CN116283748A (zh) | 2,5-二氯-3-甲氧基吡啶的合成方法 | |
EP0059687B1 (de) | 3-Phenoxybenzylverbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung zur Synthese von bioziden Verbindungen | |
KR800001045B1 (ko) | 2-(4′-알킬페닐)프로피온 알데히드의 제조방법 | |
JPS5944315B2 (ja) | 2−ペンチニルエ−テルの製造法 | |
KR820001844B1 (ko) | 벤즈 알데히드의 제조방법 | |
EP0073052B1 (de) | Verfahren zur Trennung des Racemats S-(Carboxymethyl)-(RS)-cystein (A) | |
Sankaranarayanan et al. | Asymmetric synthesis of a cytotoxic amide of Telesto riisei | |
Deshmukh et al. | AN IMPROVED PROCEDURE FOR THE PREPARATION OF 1, 1, 1-TRICHLORO-4-METHYL-3-PENTEN-2-YL DIAZOACETATE | |
JPS58203950A (ja) | α−アミノメチルベンジルアルコ−ル誘導体の製造法 | |
SU1131863A1 (ru) | Способ получени 1,5-дигидропенталена |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |