BR8800296A - Processo de preparacao de dialcoxi-4,5 metoxi-3 benzaldeido - Google Patents
Processo de preparacao de dialcoxi-4,5 metoxi-3 benzaldeidoInfo
- Publication number
- BR8800296A BR8800296A BR8800296A BR8800296A BR8800296A BR 8800296 A BR8800296 A BR 8800296A BR 8800296 A BR8800296 A BR 8800296A BR 8800296 A BR8800296 A BR 8800296A BR 8800296 A BR8800296 A BR 8800296A
- Authority
- BR
- Brazil
- Prior art keywords
- methoxybenzaldehyde
- preparation
- bromo
- hydroxy
- dialcoxi
- Prior art date
Links
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
- 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
- C07C45/64—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 introduction of functional groups containing oxygen only in singly bound form
-
- 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
- C07C45/71—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 being hydroxy groups
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8701174A FR2609984B1 (fr) | 1987-01-28 | 1987-01-28 | Procede de preparation de trialkoxybenzaldehyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8800296A true BR8800296A (pt) | 1988-09-06 |
Family
ID=9347458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8800296A BR8800296A (pt) | 1987-01-28 | 1988-01-26 | Processo de preparacao de dialcoxi-4,5 metoxi-3 benzaldeido |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4933498A (pt) |
| EP (1) | EP0277894B1 (pt) |
| JP (1) | JPS63201144A (pt) |
| AT (1) | ATE72223T1 (pt) |
| BR (1) | BR8800296A (pt) |
| DE (1) | DE3868081D1 (pt) |
| FR (1) | FR2609984B1 (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4914243A (en) * | 1987-12-23 | 1990-04-03 | American Home Products Corporation | Production of 2-alkoxy or aryl(lower)alkoxy-6-methoxy-1-naphthalenecarboxaldehyde |
| FR2669025A1 (fr) * | 1990-11-09 | 1992-05-15 | Rhone Poulenc Chimie | Procede de preparation d'alkoxybenzaldehydes. |
| FR2669026A1 (fr) * | 1990-11-09 | 1992-05-15 | Rhone Poulenc Chimie | Procede de preparation d'alkoxybenzaldehydes. |
| FR2669024A1 (fr) * | 1990-11-09 | 1992-05-15 | Rhone Poulenc Chimie | Procede de preparation d'alkoxybenzaldehydes. |
| EP0463946A1 (fr) * | 1990-06-27 | 1992-01-02 | Rhone-Poulenc Chimie | Procédé de préparation de composés aromatiques polyalkoxylés |
| FR2669924B1 (fr) * | 1990-11-30 | 1993-01-29 | Rhone Poulenc Chimie | Procede de preparation de composes aromatiques polyalkoxyles. |
| FR2663925A1 (fr) * | 1990-06-27 | 1992-01-03 | Rhone Poulenc Chimie | Procede de preparation d'alkoxybenzaldehydes. |
| FR2669925B1 (fr) * | 1990-11-30 | 1993-01-29 | Rhone Poulenc Chimie | Procede de preparation de composes aromatiques polyalkoxyles. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE789586A (fr) * | 1972-03-27 | 1973-04-02 | Hoffmann La Roche | Procede pour la preparation de 3,4,5-trimethoxy-benzaldehyde |
| JPS56150034A (en) * | 1980-04-24 | 1981-11-20 | Ube Ind Ltd | Preparation of 3,4,5-trimethoxybenzaldehyde |
| US4465864A (en) * | 1982-08-02 | 1984-08-14 | International Telephone And Telegraph Corporation | Process of hydroxylation of an aromatic carbonyl compound |
-
1987
- 1987-01-28 FR FR8701174A patent/FR2609984B1/fr not_active Expired
-
1988
- 1988-01-25 JP JP63012777A patent/JPS63201144A/ja active Granted
- 1988-01-26 BR BR8800296A patent/BR8800296A/pt unknown
- 1988-01-27 AT AT88420024T patent/ATE72223T1/de not_active IP Right Cessation
- 1988-01-27 DE DE8888420024T patent/DE3868081D1/de not_active Expired - Fee Related
- 1988-01-27 EP EP88420024A patent/EP0277894B1/fr not_active Expired - Lifetime
-
1989
- 1989-08-07 US US07/391,410 patent/US4933498A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63201144A (ja) | 1988-08-19 |
| ATE72223T1 (de) | 1992-02-15 |
| US4933498A (en) | 1990-06-12 |
| FR2609984B1 (fr) | 1989-05-05 |
| DE3868081D1 (de) | 1992-03-12 |
| EP0277894A2 (fr) | 1988-08-10 |
| EP0277894A3 (en) | 1988-08-24 |
| EP0277894B1 (fr) | 1992-01-29 |
| FR2609984A1 (fr) | 1988-07-29 |
| JPH0532379B2 (pt) | 1993-05-14 |
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