ES8206413A1 - Procedimiento para preparar aldehidos aromaticos. - Google Patents
Procedimiento para preparar aldehidos aromaticos.Info
- Publication number
- ES8206413A1 ES8206413A1 ES507944A ES507944A ES8206413A1 ES 8206413 A1 ES8206413 A1 ES 8206413A1 ES 507944 A ES507944 A ES 507944A ES 507944 A ES507944 A ES 507944A ES 8206413 A1 ES8206413 A1 ES 8206413A1
- Authority
- ES
- Spain
- Prior art keywords
- preparing
- substituted benzaldehydes
- substituted
- benzaldehydes
- veratraldehyde
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0007—Aliphatic compounds
-
- 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
- C07C43/225—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing halogen
-
- 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
-
- 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
- C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
- C07C45/43—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen
-
- 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
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
-
- 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
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/54—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
-
- 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
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/562—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with nitrogen as the only hetero atom
- C07C45/565—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with nitrogen as the only hetero atom by reaction with hexamethylene-tetramine
-
- 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
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
- C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
- C07D317/54—Radicals substituted by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/14—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems
- C07D319/16—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D319/18—Ethylenedioxybenzenes, not substituted on the hetero ring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Abstract
PROCEDIMIENTO PARA PREPARAR ALDEHIDOS AROMATICOS. CONSTA DE LAS SIGUIENTES ETAPAS: 1) CONDENSAR M-Y/O P-CRESOL CON UN DERIVADO DE ACIDO ACETICO PARA OBTENER 2-HIDROXI-4-METILACETOFENONA Y/O 2-HIDROXI-5-METILACETOFENONA, I/ HACER REACCIONAR M-Y/O P-CRESOL CON EL DERIVADO DE ACIDO ACETICO PARA OBTENER ACETATO DE M-Y/O P-METILFENILO Y REDISPONER EN UN DISOLVENTE TAL COMO EL TETRACLOROETANO CLOROBENCENO Y TOLUENO UTILIZANDO CLORURO DE ALUMINIO COMO CATALIZADOR A 80-160 C. 2) OXIDACION DE LA 2-HIDROXI-4-METILACETOFENONA Y/O 2-HIDROXI-5-METALIFECETOFENONA OBTENIDAS PARA OBTENER 4-METILCATECOL, EL CUAL SE CONDENSA, CON LO QUE SE OBTIENE UN DERIVADO DE METIBENCENO, EL CUAL SE HALOGENA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16701379A JPS5690031A (en) | 1979-12-21 | 1979-12-21 | Preparation of aromatic aldehyde |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8206413A1 true ES8206413A1 (es) | 1982-09-01 |
ES507944A0 ES507944A0 (es) | 1982-09-01 |
Family
ID=15841758
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES497846A Granted ES497846A0 (es) | 1979-12-21 | 1980-12-17 | Procedimiento para preparar aldehidos aromaticos |
ES507944A Granted ES507944A0 (es) | 1979-12-21 | 1981-12-14 | Procedimiento para preparar aldehidos aromaticos. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES497846A Granted ES497846A0 (es) | 1979-12-21 | 1980-12-17 | Procedimiento para preparar aldehidos aromaticos |
Country Status (5)
Country | Link |
---|---|
US (1) | US4335263A (es) |
EP (1) | EP0031253B1 (es) |
JP (1) | JPS5690031A (es) |
DE (1) | DE3065216D1 (es) |
ES (2) | ES497846A0 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5724321A (en) * | 1980-07-16 | 1982-02-08 | Mitsubishi Gas Chem Co Inc | Preparation of aromatic aldehyde |
FR2557097B1 (fr) * | 1983-12-22 | 1986-06-13 | Rhone Poulenc Spec Chim | Procede de preparation de bromobenzaldehydes hydroxy et/ou alkoxy substitues |
FR2557098B1 (fr) * | 1983-12-22 | 1986-06-13 | Rhone Poulenc Spec Chim | Procede de preparation de bromobenzaldehydes hydroxy et/ou alkoxy substitues |
US4559111A (en) * | 1984-12-20 | 1985-12-17 | Phillips Petroleum Company | Azeotropic purification of Z-11-hexadecenal |
US4579977A (en) * | 1984-12-20 | 1986-04-01 | Phillips Petroleum Company | Process for the oxidation of organic halides to organic aldehydes |
WO1992006064A1 (en) * | 1990-10-08 | 1992-04-16 | Sumitomo Chemical Company, Limited | Process for producing highly pure phenyl carboxylate |
US5440061A (en) * | 1994-03-29 | 1995-08-08 | The Procter & Gamble Company | Hydrolysis of methyl esters in dimethylsulfoxide for production of fatty acids |
FR2742335B1 (fr) * | 1995-12-13 | 1998-02-20 | Rhone Poulenc Chimie | Procede d'obtention de compositions parfumantes et de produits parfumes et produits ainsi obtenus |
US5808130A (en) * | 1996-06-27 | 1998-09-15 | Henkel Corporation | Esterification of phenols |
US6013841A (en) * | 1997-07-17 | 2000-01-11 | Dakota Gasification Company | Method for the conversion of 3- and 4-methylcatechol to benzaldehyde |
AU2001236079A1 (en) * | 2000-03-07 | 2001-09-17 | Kyorin Pharmaceutical Co. Ltd. | Intermediate compounds |
CN102010302B (zh) * | 2010-11-08 | 2014-03-26 | 湖南大学 | 一种以含一溴甲烷的废气为原料制备3,4-二甲氧基甲苯的方法 |
CN103193608B (zh) * | 2013-04-12 | 2015-12-02 | 张家港威胜生物医药有限公司 | 一种以藜芦醚为原料制备邻藜芦醛的方法 |
CN104030893A (zh) * | 2014-06-09 | 2014-09-10 | 上海应用技术学院 | 一种4-甲基邻苯二酚的制备方法 |
WO2016103058A1 (en) * | 2014-12-23 | 2016-06-30 | Anthea Aromatics Private Limited | An efficient process for the synthesis of alkoxy substituted benzaldehydes |
CN111704534A (zh) * | 2020-06-15 | 2020-09-25 | 杭州迈科瑞科技有限公司 | 一种使用微通道反应器连续化工业生产对苯二甲醛的工艺 |
CN112047823A (zh) * | 2020-07-27 | 2020-12-08 | 南京延长反应技术研究院有限公司 | 一种卤代苯甲醛的制备系统及方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2816144A (en) * | 1955-08-04 | 1957-12-10 | Robert W Harris | Production of benzaldehyde |
GB1041764A (en) * | 1964-02-12 | 1966-09-07 | S B Penick & Company | Manufacture of guaiacol |
US3360566A (en) * | 1964-11-25 | 1967-12-26 | Hooker Chemical Corp | Manufacture of 2', 4'-dichloroacetophenones and beta-polychlorinated 2', 4'-dichloroacetophenones from mixed dichlorobenzenes |
US3585243A (en) * | 1968-11-21 | 1971-06-15 | Rhodia | Process for the preparation of ortho- and para-dihydric phenols from the corresponding ortho- and para-hydroxy phenaldehydes |
DE2101992A1 (en) * | 1971-01-16 | 1972-08-03 | Riedel-De Haen Ag, 3016 Seelze | 4-alkyl-pyrocatechols prodn - by oxidation of 4-alkyl- phenols |
US3804855A (en) * | 1972-03-22 | 1974-04-16 | Ncr | Naphthalide compounds |
US3996291A (en) * | 1974-03-25 | 1976-12-07 | Ciba-Geigy Corporation | Process for the production of 4-hydroxy-3,5-dibromobenzaldehyde |
GB1470665A (en) * | 1974-10-24 | 1977-04-21 | Kodak Ltd | Preparation of o-hydroxyphenylketones |
US4008276A (en) * | 1975-01-20 | 1977-02-15 | Sterling Drug Inc. | Phenyl-lower-alkylamines |
US4085147A (en) * | 1976-02-05 | 1978-04-18 | Shell Oil Company | Preparation of meta-aryloxy-benzaldehydes |
GB1538214A (en) * | 1976-05-20 | 1979-01-10 | Shell Int Research | Process for the preparation of heliotropin |
US4108904A (en) * | 1976-09-22 | 1978-08-22 | American Cyanamid Company | Process for the preparation of m-phenoxybenzaldehyde |
EP0003066A3 (en) * | 1977-12-29 | 1979-08-08 | Shell Internationale Researchmaatschappij B.V. | Process for the preparation of meta-aryloxybenzaldehydes, and meta- aryloxybenzaldehydes produced by the process |
EP0034837B1 (de) * | 1978-11-16 | 1982-12-15 | Hoechst Aktiengesellschaft | P-tert.-Butylbenzalbromid und dessen am Kern durch Halogen substituierte Derivate |
-
1979
- 1979-12-21 JP JP16701379A patent/JPS5690031A/ja active Granted
-
1980
- 1980-12-17 ES ES497846A patent/ES497846A0/es active Granted
- 1980-12-19 US US06/218,135 patent/US4335263A/en not_active Expired - Lifetime
- 1980-12-19 EP EP80304628A patent/EP0031253B1/en not_active Expired
- 1980-12-19 DE DE8080304628T patent/DE3065216D1/de not_active Expired
-
1981
- 1981-12-14 ES ES507944A patent/ES507944A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
ES8203813A1 (es) | 1982-05-01 |
JPS5690031A (en) | 1981-07-21 |
EP0031253B1 (en) | 1983-10-05 |
US4335263A (en) | 1982-06-15 |
JPS6232738B2 (es) | 1987-07-16 |
EP0031253A1 (en) | 1981-07-01 |
DE3065216D1 (en) | 1983-11-10 |
ES497846A0 (es) | 1982-05-01 |
ES507944A0 (es) | 1982-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES8206413A1 (es) | Procedimiento para preparar aldehidos aromaticos. | |
BG33886A3 (en) | Method for heterocyclic compounds producing | |
ES8703150A1 (es) | Metodo de preparar derivados de b-carbolin-3-oxadiazolilo | |
BG36197A3 (en) | Method for producing indanylic derivatives | |
JPS51118781A (en) | Phthalazine derivatives or their salts and method for preparing them | |
UA8015A1 (uk) | Спосіб одержання заміщених семікарбазонів або їх солей | |
BG42004A3 (en) | Method for preparing pyridyl compounds | |
IT7923835A0 (it) | Procedimento per la preparazione di urochinasi allo stato puro. | |
DE3069496D1 (de) | 2,3-dialkoxy-1,4-quinone derivatives; method of producing 1,4-quinone derivatives | |
DK113183D0 (da) | Kroneetherforbindelser, deres fremstilling og anvendelse | |
ES8603461A1 (es) | Un procedimiento para preparar 1-piridil-alquil-4-aril-piperazinas | |
ES485733A1 (es) | Procedimiento para la obtencion de derivados de esteres de 1,1,2-trifenilalqueno | |
ES8505994A1 (es) | Un metodo para preparar 2(1h)-piridinonas | |
IT8120247A1 (it) | Procedimento per la produzione di materiale base per lastre per stampa offset, nonche' materiale cosi' prodotto | |
GB1511402A (en) | Triols containing hydantoin rings | |
IE42653L (en) | Benzyl thioamides and their use as pesticides | |
PL205739A1 (pl) | Sposob wytwarzania nowych 2-(2',2',2'-trojchlorowco-etylo)-4-chlorowcocyklobutanonow-1 | |
FI824248L (fi) | /2-/(nitropyridinyl)amino/fenyl/arylmetanoner i ett foerfarande foer framstaellning av pyrido/1,4/benzodiazepiner | |
FR2432008A1 (fr) | Compose vinylique polymerisable, procede pour sa preparation et polymere obtenu a partir de ce compose | |
BG38640A3 (en) | Method for preparing n- arylsulphenyl- n- diaryloxy- phosphinylmethylglycinates | |
ES8609233A1 (es) | Procedimiento para preparar compuestos intermedios para ob- tener derivados de los acidos 16-fenoxi y 16-fenoxi susti- tuido-prostatrienoicos | |
JPS5492956A (en) | 2-oxobenzothiazoline fatty acid amide and its preparation | |
GB2051058B (en) | Production of 2,2-dialkyl-4 methyl-5,5-dialkyl-3-formyl-3-pyrroline | |
EP0025659A3 (en) | Processes for the production of 1,2,3-trihydroxyphenyl compounds; processes for the production of substituted phenol compounds and of derivatives thereof; 2,6-dimethyl phenol derivatives | |
SU892881A1 (ru) | Способ получения этилового эфира 2,3-диметилиндолкарбоновой-5-кислоты |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19980302 |