HUT51589A - Process for production of aromatic aldehides - Google Patents
Process for production of aromatic aldehidesInfo
- Publication number
- HUT51589A HUT51589A HU532888A HU532888A HUT51589A HU T51589 A HUT51589 A HU T51589A HU 532888 A HU532888 A HU 532888A HU 532888 A HU532888 A HU 532888A HU T51589 A HUT51589 A HU T51589A
- Authority
- HU
- Hungary
- Prior art keywords
- aromatic
- gps
- aldehides
- production
- catalyst
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Aromatic aldehydes of general formula (I) - (where R1, R2, R3, R4 and R5 may all be hydrogen, halogen, 1-4C alkyl, 1-4C alkoxy or nitro gps) - are prepd from aromatic acid chlorides of formula (II) (substit gps unchanged) by catalytic hydrogenolysis in the presence of a palladium-catalyst and a tert-amine hydrogen acceptor in a suitable solvent. The pptd hydro-chloride forms a homogeneous solid phase with the catalyst during the reaction; both are filtered out and reused following regeneration. (Dwg.0/0)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU532888A HU203514B (en) | 1988-10-18 | 1988-10-18 | Process for producing aromatic aldehydes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU532888A HU203514B (en) | 1988-10-18 | 1988-10-18 | Process for producing aromatic aldehydes |
Publications (2)
Publication Number | Publication Date |
---|---|
HUT51589A true HUT51589A (en) | 1990-05-28 |
HU203514B HU203514B (en) | 1991-08-28 |
Family
ID=10970102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU532888A HU203514B (en) | 1988-10-18 | 1988-10-18 | Process for producing aromatic aldehydes |
Country Status (1)
Country | Link |
---|---|
HU (1) | HU203514B (en) |
-
1988
- 1988-10-18 HU HU532888A patent/HU203514B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HU203514B (en) | 1991-08-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE357413T1 (en) | CATALYST AND METHOD FOR PRODUCING HYDROGEN PEROXIDE | |
ATE149871T1 (en) | METHOD FOR PURIFYING INERT GASES | |
DE60001318D1 (en) | METHOD FOR REGENERATING REFORMING CATALYSTS | |
NO934861D0 (en) | Process for the preparation of 2-alkyl-6-methyl-N- (1'-methoxy-2'-propyl) -aniline, and corresponding cloacetanilides | |
DE68907642D1 (en) | METHOD FOR PRODUCING CYAN HYDROGEN BY CATALYTIC AMMOXIDATION IN THE GAS PHASE OF METHANOL. | |
ATE242196T1 (en) | METHOD FOR NITRATION OF AROMATIC COMPOUNDS USING A NON-ACIDIC NITRATION PROCESS | |
NO170671C (en) | PROCEDURE FOR THE PREPARATION OF CATALYSTS RESIN | |
IT1282961B1 (en) | PROCESS FOR THE REGENERATION OF A CATALYST BASED ON TRIVALENT CHROME COMPOUNDS | |
HUT51589A (en) | Process for production of aromatic aldehides | |
DE60013049D1 (en) | Process for the production of olefin oxides | |
DE60008560D1 (en) | METHOD FOR IMPROVING STABILITY AND / OR AVOIDING DISABLING OF THE CATALYST IN THE PRODUCTION OF ACETIC ACID AND / OR METHYL ACETATE | |
BR9701346A (en) | Process for preparing aldehydes | |
DE60129696D1 (en) | METHOD FOR REGENERATING SOLID ACID CATALYSTS | |
ES2167447T3 (en) | PROCEDURE FOR THE PRODUCTION OF AMINOAZABICICLOALCANOS FROM OXIMAS. | |
IT1282960B1 (en) | PROCESS FOR THE REGENERATION OF A CATALYST BASED ON TRIVALENT CHROME COMPOUNDS | |
DE60013903D1 (en) | METHOD FOR PRODUCING POLYCARBAMATES | |
DE69408693D1 (en) | METHOD FOR PRODUCING N-ALKYL-N, O-DIACETYL-HYDROXYLAMINE |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
HPC4 | Succession in title of patentee |
Owner name: ICN ALKALOIDA MAGYARORSZAG RT., HU |
|
HMM4 | Cancellation of final prot. due to non-payment of fee |