PT95536A - Processo para a preparacao de 3-alcoxi-4-hidroxi-benzaldeidos - Google Patents
Processo para a preparacao de 3-alcoxi-4-hidroxi-benzaldeidos Download PDFInfo
- Publication number
- PT95536A PT95536A PT95536A PT9553690A PT95536A PT 95536 A PT95536 A PT 95536A PT 95536 A PT95536 A PT 95536A PT 9553690 A PT9553690 A PT 9553690A PT 95536 A PT95536 A PT 95536A
- Authority
- PT
- Portugal
- Prior art keywords
- carbon atoms
- radical
- copper
- compound
- carbonate
- Prior art date
Links
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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Catalysts (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8913370A FR2652808B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-10-09 | 1989-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT95536A true PT95536A (pt) | 1991-08-14 |
Family
ID=9386345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT95536A PT95536A (pt) | 1989-10-09 | 1990-10-08 | Processo para a preparacao de 3-alcoxi-4-hidroxi-benzaldeidos |
Country Status (13)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0463946A1 (fr) * | 1990-06-27 | 1992-01-02 | Rhone-Poulenc Chimie | Procédé de préparation de composés aromatiques polyalkoxylés |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE723412C (de) * | 1940-05-12 | 1942-09-02 | Fahlberg List Ag Chemische Fab | Verfahren zur Methoxylierung von p-Kresol und p-Oxybenzaldehyd |
| BE789586A (fr) * | 1972-03-27 | 1973-04-02 | Hoffmann La Roche | Procede pour la preparation de 3,4,5-trimethoxy-benzaldehyde |
| US4218567A (en) * | 1978-05-30 | 1980-08-19 | Hoffmann-La Roche Inc. | Process for aromatic ethers |
| GB2089672A (en) * | 1980-12-17 | 1982-06-30 | Sterwin Ag | Processes for substitution of aromatic compounds |
| EP0155335A1 (de) * | 1984-03-21 | 1985-09-25 | LUDWIG HEUMANN & CO GMBH | Verfahren zur Herstellung von 3,5-Dimethoxy-4-alkoxybenzaldehyden |
-
1989
- 1989-10-09 FR FR8913370A patent/FR2652808B1/fr not_active Expired - Fee Related
-
1990
- 1990-10-05 NO NO90904328A patent/NO904328L/no unknown
- 1990-10-05 CA CA002027014A patent/CA2027014A1/fr not_active Abandoned
- 1990-10-05 BR BR909005018A patent/BR9005018A/pt unknown
- 1990-10-08 DE DE90402786T patent/DE69003648T2/de not_active Expired - Fee Related
- 1990-10-08 AT AT90402786T patent/ATE95157T1/de not_active IP Right Cessation
- 1990-10-08 EP EP90402786A patent/EP0423010B1/fr not_active Expired - Lifetime
- 1990-10-08 PT PT95536A patent/PT95536A/pt not_active Application Discontinuation
- 1990-10-08 FI FI904950A patent/FI904950A7/fi not_active Application Discontinuation
- 1990-10-09 IL IL9095925A patent/IL95925A0/xx not_active IP Right Cessation
- 1990-10-09 AU AU63957/90A patent/AU6395790A/en not_active Abandoned
- 1990-10-09 IE IE360890A patent/IE903608A1/en unknown
- 1990-10-09 JP JP2269704A patent/JPH03193742A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FI904950A0 (fi) | 1990-10-08 |
| JPH03193742A (ja) | 1991-08-23 |
| AU6395790A (en) | 1991-04-11 |
| NO904328L (no) | 1991-04-10 |
| EP0423010A1 (fr) | 1991-04-17 |
| IL95925A0 (en) | 1991-07-18 |
| NO904328D0 (no) | 1990-10-05 |
| FR2652808B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1994-01-28 |
| ATE95157T1 (de) | 1993-10-15 |
| DE69003648D1 (de) | 1993-11-04 |
| FR2652808A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-04-12 |
| FI904950A7 (fi) | 1991-04-10 |
| EP0423010B1 (fr) | 1993-09-29 |
| DE69003648T2 (de) | 1994-03-24 |
| IE903608A1 (en) | 1991-05-08 |
| BR9005018A (pt) | 1991-09-10 |
| CA2027014A1 (fr) | 1991-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB1A | Laying open of patent application |
Effective date: 19910314 |
|
| FC3A | Refusal |
Effective date: 19961007 |