DE3868081D1 - Verfahren zur herstellung von trialkoxybenzaldehyd. - Google Patents

Verfahren zur herstellung von trialkoxybenzaldehyd.

Info

Publication number
DE3868081D1
DE3868081D1 DE8888420024T DE3868081T DE3868081D1 DE 3868081 D1 DE3868081 D1 DE 3868081D1 DE 8888420024 T DE8888420024 T DE 8888420024T DE 3868081 T DE3868081 T DE 3868081T DE 3868081 D1 DE3868081 D1 DE 3868081D1
Authority
DE
Germany
Prior art keywords
methoxybenzaldehyde
bromo
hydroxy
preparation
trimethoxybenzaldehyde
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 - Fee Related
Application number
DE8888420024T
Other languages
English (en)
Inventor
Michel Crochemore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of DE3868081D1 publication Critical patent/DE3868081D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
DE8888420024T 1987-01-28 1988-01-27 Verfahren zur herstellung von trialkoxybenzaldehyd. Expired - Fee Related DE3868081D1 (de)

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
DE3868081D1 true DE3868081D1 (de) 1992-03-12

Family

ID=9347458

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888420024T Expired - Fee Related DE3868081D1 (de) 1987-01-28 1988-01-27 Verfahren zur herstellung von trialkoxybenzaldehyd.

Country Status (7)

Country Link
US (1) US4933498A (de)
EP (1) EP0277894B1 (de)
JP (1) JPS63201144A (de)
AT (1) ATE72223T1 (de)
BR (1) BR8800296A (de)
DE (1) DE3868081D1 (de)
FR (1) FR2609984B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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
FR2669026A1 (fr) * 1990-11-09 1992-05-15 Rhone Poulenc Chimie Procede de preparation d'alkoxybenzaldehydes.
FR2669025A1 (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 (de) * 1990-06-27 1992-01-02 Rhone-Poulenc Chimie Verfahren zur Herstellung von polyalkoxylierten aromatischen Verbindungen
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2609984A1 (fr) 1988-07-29
EP0277894A2 (de) 1988-08-10
EP0277894A3 (en) 1988-08-24
FR2609984B1 (fr) 1989-05-05
JPH0532379B2 (de) 1993-05-14
US4933498A (en) 1990-06-12
ATE72223T1 (de) 1992-02-15
JPS63201144A (ja) 1988-08-19
EP0277894B1 (de) 1992-01-29
BR8800296A (pt) 1988-09-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee